Medium Excavators 320 - Tier 3

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Key Specs

Net Power - ISO 9249: 157 hp; 117 kW

Operating Weight: 47000 lb; 21300 kg

Maximum Digging Depth: 22 ft; 6720 mm

320 - Tier 3
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Overview

Peak Performance, User-Friendly Technology

The Cat® 320 raises the bar for efficiency and fuel economy in this size class. With standard factory technology, a cab focused on operator comfort, plus low fuel and maintenance costs, the 320 will help set a new pace for productivity and profit in your operation.

Benefits

Low Fuel Consumption

A precise combination of low engine speed and a large hydraulic pump help burn less fuel, delivering top performance.

Lower Maintenance Costs

Extended and synchronized maintenance intervals help you get more done at a lower cost compared to the previous model.

High Operating Efficiency

Offering standard factory-equipped technology to help improve operation output, including Cat Grade with 2D, Grade with Assist and Payload.

Features At A Glance

Machine Setup Simplification

At the touch of fingertips and navigating user-friendly icons, the latest operator oriented User Interface (UI) maximizes uptime and gets crews to work without delay. From re-ordering work tool lists to creating new work tool combinations as needed, operators can quickly set up machines and easily access information.
The interface allows operators to maintain accuracy and makes the most of every second of their shift. Adding the ability to input couplers and attachments into the system makes setting up work tool combinations highly efficient by significantly reducing calibration time. It also eliminates the need to measure up again when changing Cat® work tool attachments and makes it manageable for a single person to check and adjust for bucket wear.

Cat® Grade 3D Ready

The Cat Grade 3D Ready option includes all the hardware required for the Grade with 3D system, installed and tested from the factory. This option provides an easier upgrade path for customers who want to add Grade with 3D after their initial purchase. To activate, contact your Cat Dealer to purchase the required 3D software licenses. Licenses can be installed remotely or manually loaded onto the machine.

Cat Payload and Advanced Payload*

Cat Payload provides operators with on-the-go weighing to help them hit load targets and avoid overloading, underloading, or misloading materials. Advanced Payload is a system upgrade that offers expanded features and capabilities, including custom tags, daily totals, and electronic ticketing. Combine Payload with VisionLink® Productivity** to analyze jobsites and individual assets for remote management of production targets and key metrics.

*Payload technologies are not legal for trade.
**VisionLink subscription required.

Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area. Build Number: 07H

Leverage standard Cat® technologies to streamline operating efficiency -- help reduce fuel consumption and daily maintenance costs with VisionLink, Cat Assist, Cat Payload, and more.
The C7.1 engine can run on biodiesel up to B20 and meets Brazil Mar-1 equivalent emission standards.
The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need for precise digging requirements.
Match the excavator to the job with power modes; let Smart mode automatically match engine and hydraulic power to your digging conditions.
Advansys™ bucket tips increase penetration and improve cycle times. Tip changes can be done quickly with a simple lug wrench instead of a hammer or special tool, improving safety and uptime.
Auxiliary hydraulic options give you the versatility to use a wide range of Cat attachments.
Don’t let the temperature stop you from working. The excavator has a standard high-ambient temperature capability of 52° C (125°F) and cold start capability of –18° C (0° F). An optional –32°C (–25° F) cold start package is available.

The latest operator oriented User Interface (UI) has been designed to maximize uptime by allowing operators to easily reorder work tool lists and quickly create new work tool combinations. It also eliminates the need to measure up again when changing Cat® work tool attachments and makes it manageable for a single person to check and adjust for bucket wear.
Leverage standard Cat Grade with 2D system with indicate-only and laser capability to help boost productivity.
Want a 3D system to improve your digging results? Caterpillar's single antenna global navigation satellite system (GNSS) makes it easy by giving you visual and auditory guidance to grade. Plus, you can create and edit designs on the touchscreen monitor while you’re on the job. If your application calls for a dual antenna system, it’s easy to upgrade.
Upgrade to our dual antenna GNSS for maximum grading efficiency. The system lets you create and edit designs on the touchscreen monitor while you’re on the job, or you can have the plan design sent to the excavator to make your work easier. Plus, you get added benefits of avoidance zones, cut and fill mapping, lane guidance, and augmented reality along with advanced positioning capability.
All Cat Grade systems are compatible with radios and base stations from Trimble, Topcon, and Leica. Already invested in a grade infrastructure? You can install grade systems from Trimble, Topcon, and Leica onto the machine.
The Cat Grade 3D Ready option includes all the hardware required for the Grade with 3D system, installed and tested from the factory. Activation requires the purchase of additional 3D software licenses.
Standard Grade Assist helps you stay on grade – simply and effortlessly – with single-lever digging.
Keep the tracks on ground in lifting and hard digging with Boom Assist.
Set your desired bucket angle and let Bucket Assist automatically maintain the angle in sloping, leveling, fine grading, and trenching applications.
Automatically stop excavator swing at operator-defined set points in truck loading and trenching applications with Swing Assist, which will help you use less effort and consume less fuel.
Cat Payload helps you achieve precise load targets to improve your operating efficiency. Pick up a load of material--with a bucket and thumb combination or grapple and clamshell attachments--and get a real-time weight estimate without swinging.
Advanced Payload is a system upgrade that offers expanded features and capabilities, including custom tags, daily totals, and electronic ticketing.
Combine Payload with VisionLink® and remotely manage your production targets.
Optional Operator Coaching is an in-cab system that recognizes specific opportunities for operators to be more productive and prevent unnecessary machine wear and tear.

Take the Guesswork out of Managing Your Equipment

VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer.* Review equipment data from your desktop or mobile device to maximize uptime and optimize assets. Dashboards provide information such as hours, miles, location, idle time, and fuel utilization. Make informed decisions that lower costs, simplify maintenance, and improve safety and security on your jobsite.
VisionLink Productivity gathers and summarizes machine telematics and jobsite data from all your equipment – regardless of the manufacturer.* View actionable information such as idle time, fuel burn, location, payload, load counts, total cycles, and more to improve machine efficiency, productivity, and utilization. Access data anywhere via a mobile, tablet, or desktop device - on or off the jobsite.
Cat® Inspect is a mobile application that allows you to easily perform digital preventative maintenance (PM) checks, inspections, and daily walkarounds. Inspections can easily be integrated with other Cat data systems like VisionLink so you can keep a close eye on your fleet.
Remote Troubleshoot is a mobile application that allows your Cat dealer to perform diagnostic testing on your connected machine remotely to help ensure that issues are resolved quickly and with less downtime.
Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.
The Cat PL161 attachment locator allows you to track attachments across all worksites, reduce the number of lost attachments, and plan for attachment maintenance and replacement. The work tool recognition feature automatically adjusts machine settings based on the selected tool.

* Data field availability can vary by equipment manufacturer.

Cab options let you choose the level of comfort you need.
Enjoy wide spacing between consoles for a more spacious comfortable environment.
Sit in wide seats that adjust for operators of all sizes (heated and heated/cooled options are available).
Get in and out of the cab easier using the tip-up left console (in Deluxe cab only).
Control the excavator comfortably with easy-to-reach controls located in front of you. Standard automatic climate control keeps you at the right temperature throughout your shift.
Stow your gear with plenty of in-cab storage behind the seat, overhead, and in the consoles.
The standard radio has USB ports and Bluetooth® technology enabled to connect your device and make hands-free calls.

Start the engine with a push button; use a Bluetooth® key fob, or the Operator ID passcode.
Program each joystick button, including response and pattern, using Operator ID; the machine will remember what you set each time you go to work.
Program up to four depth and slope offsets so you can easily get to grade without a grade checker – a real time saver and safety enhancer on the jobsite.
Navigate quickly on the standard high-resolution 203 mm (8in) touchscreen monitor, or with the optional 254 mm (10 in) touchscreen monitor, or with the aid of the jog dial control.
Not sure how a function works or how to maintain the excavator? Always have the operator’s manual at your fingertips in the touchscreen monitor.
Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.
Protect your hammer tool from overheating and rapid wear. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds - all to extend the tool’s service life.
The Cat® PL161 attachment locator is a Bluetooth device designed to let users know where their attachments are across all worksites, reduce the number of lost attachments, and plan for attachment maintenance and replacement. The PL161 integrates easily into VisionLink® for full fleet management of machines and attachments from one smartphone or tablet dashboard to view location and tracking details.
Save more time and energy with the available work tool recognition feature. A simple shake of the attached tool confirms its identity and ensures all the attachment settings (pressure, flow, and dimensions) are correct so you can work quickly and efficiently.*
Auto Dig Boost increases power by up to 8% for better bucket penetration, shorter cycle times, and greater payloads.**
Need more lift during your shift? Turn on Auto Heavy Lift and get up to 8% more power exactly when you need it for as long as you need it.**
Make moving the excavator much easier with Cat Stick Steer. Simply push a button and use one hand to travel and turn instead of both hands or feet on levers or pedals.
Make operating easier with the touch of a joystick button. Additional auxiliary relays allow you to power on or turn off a CB radio, beacon light, and even a dust suppression watering system without taking your hands off the joysticks (Deluxe cab only).

*Automated attachment settings must be enabled within each machine configuration. Consult your Cat dealer for details.
**Auto Dig Boost and Auto Heavy Lift calculations are based on 380 bar (boost pressure) divided by 350 bar (standard pressure). Does not apply to long reach excavators.

Extended maintenance intervals help reduce maintenance costs.
Boost productivity with proactive service reminders. The Integrated vehicle health management system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime.
Do all daily maintenance at ground level.
Check engine oil level quickly and safely with the ground-level engine oil dipstick; fill and check engine oil on top of the machine with a conveniently located second dipstick.
Reversing electric cooling fans make it easy to clean radiator, oil coolers, and condensers.
The latest air intake filter with pre-cleaner has a high dust-holding capacity.
The latest hydraulic oil filter offers high-quality filtration performance, features anti-drain valves to keep the oil clean when the filter is replaced, and provides an extended 3,000-hour replacement interval for efficiency and convenience.
Using Cat® genuine oil and filters and doing your typical S∙O∙S^SM monitoring will extend the current service interval to 1,000 hours, giving you greater uptime to do more work.
S·O·S ports are on ground level, simplifying maintenance and allowing for quick, easy extraction of fluid samples for analysis.

Optional Cat® Detect - People Detection helps protect the most valuable asset on any jobsite – people. The system uses smart cameras with depth sensors to provide the operator with visual and auditory alerts so he or she can take immediate action when a person is too close to the excavator.*
Optional Cat Command remote control enables equipment operators to work safely outside the machine when working in hazardous environments. Command offers the choice of handheld Consoles** (line-of-sight) or long-distance virtual Stations (non-line-of-sight). Deep integration with machine systems enables efficiency and productivity by maintaining the use of in-cab technology** features (Grade, Payload, Assist, etc.).
2D E-Fence prevents the excavator from moving outside of operator-defined set points; the system works with thumb and bucket combinations along with hammer, grapple, and clamshell attachments.
Access 100% of daily maintenance points from ground level – no need for you to climb on top of excavator.
The standard ROPS cab meets ISO 12117-2 2008 requirements.
Enjoy great visibility into the trench, in each swing direction, and behind you with the help of smaller cab pillars, larger windows, and a flat engine hood design.
The standard hydraulic lockout lever isolates all hydraulic and travel functions in the lowered position.
Ground level shut-off switch stops all fuel to the engine when activated and shuts down the machine.
A rearview camera is standard. Upgrade to 360° visibility and you'll see objects and personnel around the excavator in a single view.
Right-hand service platform design provides easy, safe, and quick access to upper service platform; the service platform steps use anti-skid punch plate to prevent slipping. The handrails comply with ISO 2867:2011 requirements.
Make service work easier with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.
Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.

*The system may not detect personnel in certain circumstances, such as fast swing speeds, people lying down or crouching, or when cameras are impaired by low light conditions (dusk, dawn, overcast), inclement weather (snow, rain, fog), or other similar conditions. For limitations of use, refer to the operation and maintenance manual.
**Operator assist features for the Command Console are not available in Australia and New Zealand.

Specifications Standard Equipment Optional Equipment

Product Specifications for 320 - Tier 3

Engine

Net Power - ISO 9249	157 hp 117 kW
Net Power - ISO 9249 (DIN)	159 hp (metric) 159 hp (metric)
Engine Model	Cat® C7.1 Cat® C7.1
Engine Power - ISO 14396:2002	158 hp 118 kW
Engine Power - ISO 14396 (DIN)	160 hp (metric) 160 hp (metric)
Bore	4 in 105 mm
Stroke	5 in 135 mm
Displacement	428 in³ 7.01 l
Biodiesel Capability	Up to B20¹ Up to B20¹
Emissions	Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (1)	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. For use of blends higher than 20% biodiesel, consult your Cat dealer. Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels* up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. For use of blends higher than 20% biodiesel, consult your Cat dealer. *Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Hydraulic System

Main System - Maximum Flow	429 l/min (113 gal/min) 429 l/min (113 gal/min)
Maximum Pressure - Equipment	5075 psi 35000 kPa
Maximum Pressure - Equipment - Lift Mode	5510 psi 38000 kPa
Maximum Pressure - Travel	4974 psi 34300 kPa
Maximum Pressure - Swing	3988 psi 27500 kPa

Swing Mechanism

Swing Speed	11.3 r/min 11.3 r/min
Note (1)	For CE-marked machine default value may be set lower. For CE-marked machine default value may be set lower.
Maximum Swing Torque	60300 lbf·ft 82 kN·m

Weights

Operating Weight	47000 lb 21300 kg
Note	Heavy Duty (HD) Reach boom, HD R2.9 (9'6") stick, HD 1.19 m³ (1.56 yd³) bucket, 600 mm (24") triple grouser shoes, and 3700 kg (8,200 lb) counterweight. Heavy Duty (HD) Reach boom, HD R2.9 (9'6") stick, HD 1.19 m³ (1.56 yd³) bucket, 600 mm (24") triple grouser shoes, and 3700 kg (8,200 lb) counterweight.

Service Refill Capacities

Fuel Tank Capacity	86.6 gal (US) 345 l
Cooling System	6.6 gal (US) 25 l
Engine Oil	6.6 gal (US) 25 l
Swing Drive - Each	1.6 gal (US) 6 l
Final Drive - Each	1.3 gal (US) 5 l
Hydraulic System - Including Tank	61.8 gal (US) 234 l
Hydraulic Tank	30.4 gal (US) 115 l

Dimensions

Boom	HD Reach 5.7 m (18'8") HD Reach 5.7 m (18'8")
Stick	HD Reach 2.9 m (9'6") HD Reach 2.9 m (9'6")
Bucket	HD 1.19 m³ (1.56 yd³) HD 1.19 m³ (1.56 yd³)
Shipping Height - Top of Cab	9.7 ft 2960 mm
Handrail Height	9.8 ft 2950 mm
Shipping Length	31.3 ft 9530 mm
Tail Swing Radius	9.3 ft 2830 mm
Counterweight Clearance	3.4 ft 1050 mm
Ground Clearance	1.5 ft 470 mm
Track Length	14.7 ft 4450 mm
Length to Center of Rollers	12 ft 3650 mm
Track Gauge	7.8 ft 2380 mm
Transport Width	9.8 ft 2980 mm

Working Ranges and Forces

Maximum Digging Depth	22 ft 6720 mm
Boom	HD Reach 5.7 m (18'8") HD Reach 5.7 m (18'8")
Stick	HD Reach 2.9 m (9'6") HD Reach 2.9 m (9'6")
Bucket	HD 1.19 m³ (1.56 yd³) HD 1.19 m³ (1.56 yd³)
Maximum Reach at Ground Level	32.3 ft 9860 mm
Maximum Cutting Height	30.7 ft 9370 mm
Maximum Loading Height	21.3 ft 6490 mm
Minimum Loading Height	7.1 ft 2170 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	21.5 ft 6550 mm
Maximum Vertical Wall Digging Depth	17 ft 5190 mm
Bucket Digging Force - ISO	33811 lbf 150 kN
Stick Digging Force - ISO	23911 ft·lbf 106 kN

320 - Tier 3 Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat® dealer for details.

CAB

Rollover Protective Structure (ROPS)

Mechanical-suspension seat (Comfort only)

Heated air-suspension seat (Deluxe only)

High-resolution 203 mm (8 in) LCD touchscreen monitor

CAT TECHNOLOGY

VisionLink®

Remote Flash

Remote Troubleshoot

Work tool recognition and tracking (PL161)

Cat Grade with 2D

Cat Assist

Cat Payload

ELECTRICAL SYSTEM

Two 1,000 CCA maintenance-free batteries

Programmable time-delay LED working lights

LED chassis light, left-hand/right-hand boom lights, cab lights

ENGINE

Cat C7.1 single turbo diesel engine

Three selectable power modes

Automatic engine speed control

Auto engine idle shutdown

52°C (125°F) high-ambient cooling capacity

-18°C (0°F) cold start capability

Double element air filter with integrated precleaner

Reversing electric cooling fans

HYDRAULIC SYSTEM

Boom and stick regeneration circuits

Auto warm up

Auto two-speed travel

Boom and stick drift reduction valve

Auto hydraulic warm up

Slider joysticks

SAFETY AND SECURITY

2D E-Fence

Auto hammer stop

Rearview camera

Cat asset tracker

Ground-level engine shutoff switch

Lockable disconnect switch

Right-hand handrail and hand hold

Signaling/warning horn

SERVICE AND MAINTENANCE

Scheduled Oil Sampling (S·O·S℠) ports

Ground-level and platform-level engine oil dipsticks

Integrated vehicle health management system

UNDERCARRIAGE AND STRUCTURES

Tie-down points on base frame

320 - Tier 3 Optional Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat® dealer for details.

BOOMS AND STICKS

5.7 m (18'8") HD Reach boom

8.85 m (29'0") Super Long Reach boom

2.9 m (9'6") HD Reach stick

2.5 m (8'2") HD Reach stick

2.9 m (9'6") SD Reach stick (Kingdom of Saudi Arabia only)

2.5 m (8'2") SD Reach stick (Kingdom of Saudi Arabia only)

6.28 m (20'7") Super Long Reach stick

CAB

Operator Protective Guards (OPG)

High-resolution 254 mm (10 in) LCD touchscreen monitor

Cat Stick Steer

CAT TECHNOLOGY

VisionLink Productivity

Operator Coaching

Cat Grade with 2D with Attachment Ready Option (ARO)

Cat Grade with 3D (single or dual GNSS)

Cat Grade 3D Ready

Cat Advanced Payload

Cat Tiltrotator (TRS) integration

ELECTRICAL SYSTEM

Four 1,000 CCA maintenance-free batteries

ENGINE

-32°C (-25°F) cold start capability

HYDRAULIC SYSTEM

Hammer return filter circuit

Hydraulic efficiency monitoring

Auto Heavy Lift

Tool control (two pump, one/two way high-pressure flow)

Basic tool control (one pump, one way high-pressure flow)

Quick coupler circuit for Cat Pin Grabber

SAFETY AND SECURITY

Cat Command (remote control)

Right-hand-sideview camera

360° visibility

Travel alarm

Swing alarm

Inspection lighting

UNDERCARRIAGE AND STRUCTURES

600 mm (24") double grouser track shoes

600 mm (24") triple grouser track shoes

700 mm (28") triple grouser track shoes

790 mm (31") tripler grouser track shoes

800 mm (31") triple grouser track shoes

3700 kg (8,160 lb) counterweight

4200 kg (9,300 lb) counterweight

4700 kg (10,400 lb) counterweight for SLR boom and stick

Product Specifications for 320 - Tier 3

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Engine

Net Power - ISO 9249	157 hp 117 kW
Net Power - ISO 9249 (DIN)	159 hp (metric) 159 hp (metric)
Engine Model	Cat® C7.1 Cat® C7.1
Engine Power - ISO 14396:2002	158 hp 118 kW
Engine Power - ISO 14396 (DIN)	160 hp (metric) 160 hp (metric)
Bore	4 in 105 mm
Stroke	5 in 135 mm
Displacement	428 in³ 7.01 l
Biodiesel Capability	Up to B20¹ Up to B20¹
Emissions	Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (1)	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. For use of blends higher than 20% biodiesel, consult your Cat dealer. Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels* up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. For use of blends higher than 20% biodiesel, consult your Cat dealer. *Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Hydraulic System

Main System - Maximum Flow	429 l/min (113 gal/min) 429 l/min (113 gal/min)
Maximum Pressure - Equipment	5075 psi 35000 kPa
Maximum Pressure - Equipment - Lift Mode	5510 psi 38000 kPa
Maximum Pressure - Travel	4974 psi 34300 kPa
Maximum Pressure - Swing	3988 psi 27500 kPa

Swing Mechanism

Swing Speed	11.3 r/min 11.3 r/min
Note (1)	For CE-marked machine default value may be set lower. For CE-marked machine default value may be set lower.
Maximum Swing Torque	60300 lbf·ft 82 kN·m

Weights

Operating Weight	47000 lb 21300 kg
Note	Heavy Duty (HD) Reach boom, HD R2.9 (9'6") stick, HD 1.19 m³ (1.56 yd³) bucket, 600 mm (24") triple grouser shoes, and 3700 kg (8,200 lb) counterweight. Heavy Duty (HD) Reach boom, HD R2.9 (9'6") stick, HD 1.19 m³ (1.56 yd³) bucket, 600 mm (24") triple grouser shoes, and 3700 kg (8,200 lb) counterweight.

Service Refill Capacities

Fuel Tank Capacity	86.6 gal (US) 345 l
Cooling System	6.6 gal (US) 25 l
Engine Oil	6.6 gal (US) 25 l
Swing Drive - Each	1.6 gal (US) 6 l
Final Drive - Each	1.3 gal (US) 5 l
Hydraulic System - Including Tank	61.8 gal (US) 234 l
Hydraulic Tank	30.4 gal (US) 115 l

Dimensions

Boom	HD Reach 5.7 m (18'8") HD Reach 5.7 m (18'8")
Stick	HD Reach 2.9 m (9'6") HD Reach 2.9 m (9'6")
Bucket	HD 1.19 m³ (1.56 yd³) HD 1.19 m³ (1.56 yd³)
Shipping Height - Top of Cab	9.7 ft 2960 mm
Handrail Height	9.8 ft 2950 mm
Shipping Length	31.3 ft 9530 mm
Tail Swing Radius	9.3 ft 2830 mm
Counterweight Clearance	3.4 ft 1050 mm
Ground Clearance	1.5 ft 470 mm
Track Length	14.7 ft 4450 mm
Length to Center of Rollers	12 ft 3650 mm
Track Gauge	7.8 ft 2380 mm
Transport Width	9.8 ft 2980 mm

Working Ranges and Forces

Maximum Digging Depth	22 ft 6720 mm
Boom	HD Reach 5.7 m (18'8") HD Reach 5.7 m (18'8")
Stick	HD Reach 2.9 m (9'6") HD Reach 2.9 m (9'6")
Bucket	HD 1.19 m³ (1.56 yd³) HD 1.19 m³ (1.56 yd³)
Maximum Reach at Ground Level	32.3 ft 9860 mm
Maximum Cutting Height	30.7 ft 9370 mm
Maximum Loading Height	21.3 ft 6490 mm
Minimum Loading Height	7.1 ft 2170 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	21.5 ft 6550 mm
Maximum Vertical Wall Digging Depth	17 ft 5190 mm
Bucket Digging Force - ISO	33811 lbf 150 kN
Stick Digging Force - ISO	23911 ft·lbf 106 kN

320 - Tier 3 Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat® dealer for details.

CAB

Rollover Protective Structure (ROPS)

Mechanical-suspension seat (Comfort only)

Heated air-suspension seat (Deluxe only)

High-resolution 203 mm (8 in) LCD touchscreen monitor

CAT TECHNOLOGY

VisionLink®

Remote Flash

Remote Troubleshoot

Work tool recognition and tracking (PL161)

Cat Grade with 2D

Cat Assist

Cat Payload

ELECTRICAL SYSTEM

Two 1,000 CCA maintenance-free batteries

Programmable time-delay LED working lights

LED chassis light, left-hand/right-hand boom lights, cab lights

ENGINE

Cat C7.1 single turbo diesel engine

Three selectable power modes

Automatic engine speed control

Auto engine idle shutdown

52°C (125°F) high-ambient cooling capacity

-18°C (0°F) cold start capability

Double element air filter with integrated precleaner

Reversing electric cooling fans

HYDRAULIC SYSTEM

Boom and stick regeneration circuits

Auto warm up

Auto two-speed travel

Boom and stick drift reduction valve

Auto hydraulic warm up

Slider joysticks

SAFETY AND SECURITY

2D E-Fence

Auto hammer stop

Rearview camera

Cat asset tracker

Ground-level engine shutoff switch

Lockable disconnect switch

Right-hand handrail and hand hold

Signaling/warning horn

SERVICE AND MAINTENANCE

Scheduled Oil Sampling (S·O·S℠) ports

Ground-level and platform-level engine oil dipsticks

Integrated vehicle health management system

UNDERCARRIAGE AND STRUCTURES

Tie-down points on base frame

320 - Tier 3 Optional Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat® dealer for details.

BOOMS AND STICKS

5.7 m (18'8") HD Reach boom

8.85 m (29'0") Super Long Reach boom

2.9 m (9'6") HD Reach stick

2.5 m (8'2") HD Reach stick

2.9 m (9'6") SD Reach stick (Kingdom of Saudi Arabia only)

2.5 m (8'2") SD Reach stick (Kingdom of Saudi Arabia only)

6.28 m (20'7") Super Long Reach stick

CAB

Operator Protective Guards (OPG)

High-resolution 254 mm (10 in) LCD touchscreen monitor

Cat Stick Steer

CAT TECHNOLOGY

VisionLink Productivity

Operator Coaching

Cat Grade with 2D with Attachment Ready Option (ARO)

Cat Grade with 3D (single or dual GNSS)

Cat Grade 3D Ready

Cat Advanced Payload

Cat Tiltrotator (TRS) integration

ELECTRICAL SYSTEM

Four 1,000 CCA maintenance-free batteries

ENGINE

-32°C (-25°F) cold start capability

HYDRAULIC SYSTEM

Hammer return filter circuit

Hydraulic efficiency monitoring

Auto Heavy Lift

Tool control (two pump, one/two way high-pressure flow)

Basic tool control (one pump, one way high-pressure flow)

Quick coupler circuit for Cat Pin Grabber

SAFETY AND SECURITY

Cat Command (remote control)

Right-hand-sideview camera

360° visibility

Travel alarm

Swing alarm

Inspection lighting

UNDERCARRIAGE AND STRUCTURES

600 mm (24") double grouser track shoes

600 mm (24") triple grouser track shoes

700 mm (28") triple grouser track shoes

790 mm (31") tripler grouser track shoes

800 mm (31") triple grouser track shoes

3700 kg (8,160 lb) counterweight

4200 kg (9,300 lb) counterweight

4700 kg (10,400 lb) counterweight for SLR boom and stick

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

Assist

Command

Detect

Equipment Management

Grade

Payload

Productivity

Cat Grade Assist for Excavators

Cat Grade Assist for excavators automates boom and stick movements for more accurate cuts with less effort. Grade Assist uses machine position sensors and operator defined depth and slope parameters to enable single-lever digging.

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Cat Lift Assist for Excavators

Cat Lift Assist is an excavator safety feature that quickly calculates the actual load you are lifting and compares it to the rated load the excavator is capable of handling. Visual and auditory alerts tell you if you are within safe working range or need to take action to avoid tipping.

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Cat Grade Assist for excavators automates boom and stick movements for more accurate cuts with less effort. Grade Assist uses machine position sensors and operator defined depth and slope parameters to enable single-lever digging.

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Cat Lift Assist is an excavator safety feature that quickly calculates the actual load you are lifting and compares it to the rated load the excavator is capable of handling. Visual and auditory alerts tell you if you are within safe working range or need to take action to avoid tipping.

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Cat Command Remote Control for Construction

Cat Command is an advanced remote control system that takes operators off the machine and away from potential dangers when working with hazardous materials or in unsafe conditions. The system's deep integration with machine systems ensures smooth and precise control for optimal efficiency and productivity.

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Cat Command is an advanced remote control system that takes operators off the machine and away from potential dangers when working with hazardous materials or in unsafe conditions. The system's deep integration with machine systems ensures smooth and precise control for optimal efficiency and productivity.

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Cat 2D E-fence for Excavators

Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards like traffic. 2D E-fence uses data from position sensors to automatically stop motion when the front linkage reaches the defined boundaries.

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Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards like traffic. 2D E-fence uses data from position sensors to automatically stop motion when the front linkage reaches the defined boundaries.

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Cat Inspect

Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

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Cat Product Link

Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

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Cat Remote Flash

Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

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Cat Remote Troubleshooting

Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

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VisionLink®

VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

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Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

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Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

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Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

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VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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Cat Grade with 2D for Excavators

Cat Grade with 2D helps excavator operators work up to 35% more efficiently in a wide variety of applications. Delivering real-time guidance for accurate vertical and horizontal control, Grade with 2D helps to ensure that cuts and fills are made to exact specifications – without under or overcutting.

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Cat Grade with 3D for Excavators

Grade with 3D adds GNSS technology and RTK positioning guidance to simplify the grading process of complex designs often found on large infrastructure and commercial projects.

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Cat Grade with 2D helps excavator operators work up to 35% more efficiently in a wide variety of applications. Delivering real-time guidance for accurate vertical and horizontal control, Grade with 2D helps to ensure that cuts and fills are made to exact specifications – without under or overcutting.

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Grade with 3D adds GNSS technology and RTK positioning guidance to simplify the grading process of complex designs often found on large infrastructure and commercial projects.

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Cat Payload for Excavators

Next generation excavators take on all kinds of tasks - loading, stockpiling, material handling, and more. Cat® Payload technology provides on-the-go weighing to help operators hit exact targets every time and avoid overloading, underloading, or misloading materials.

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Next generation excavators take on all kinds of tasks - loading, stockpiling, material handling, and more. Cat® Payload technology provides on-the-go weighing to help operators hit exact targets every time and avoid overloading, underloading, or misloading materials.

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Operator Coaching for Excavators

Operator Coaching allows operators of all experience levels to take their efficiency and productivity to the next level. With tips and data at their fingertips, operators can track and improve their productivity through everyday work on the job site.

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VisionLink® Productivity

VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.

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Operator Coaching allows operators of all experience levels to take their efficiency and productivity to the next level. With tips and data at their fingertips, operators can track and improve their productivity through everyday work on the job site.

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VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.

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