Demolition Excavators 340 UHD

Cat® 340 UHD Hydraulic Excavator

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Key Specs

Operating Weight: 122600 lb; 55600 kg

Maximum Pin Height at Stick Nose: 72.2 ft; 22 m

Maximum Weight at Stick Nose: 8160 lb; 3700 kg

340 UHD
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Overview

The Cat® 340 UHD provides optimum machine solutions for building demolition up to 8 stories. With its unique coupling system, you can switch between two lengths of Ultra High Demolition fronts and two types of Retrofit booms and sticks with no special tools in 15 minutes. You simply won’t find a better 50-ton class choice for demolition.

Benefits

MAXIMIZE MACHINE UTILIZATION

Hydraulic quick disconnect requires no tools to swap booms in 15 minutes; choose your front - work up to 22 m with a 3.7 T tool (72 ft with 8,160 lb tool) or up to 25 m with a 3.3 T tool (82 ft with 7,275 lb tool) front or basement to 2 story work and truckloading with Retrofit.

MAXIMIZE JOBSITE EFFICIENCY

Variable gauge undercarriage provides excellent stability exteneded and ease of transportation retracted.

COMFORT & SAFETY

Deluxe cab tilts 30 degrees for a more ergonomic operator station includes P5A high resistance glass for safety and premium seat for comfort while 254 mm (10 in) color touchscreen indicates easy to read stability monitoring system information.

Features At A Glance

Cab Monitor Improvements.

Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.

Identify apps quickly with a grid list view, abbreviated app names, and categorized menu options.

A notification center keeps important information visible to the operator, and displays messages without shrinking the camera view.

Color coded notifications set critical messages apart from the rest.

Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.

Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area. Build Number: 08C

UHD can reach up to 18.6m (60 ft 11 in) of vertical pin height, working with a 3.7 ton (8,157 lbs) tool with 11.7m (38 ft 4 in) horizontal reach.

Cat active stability monitoring system continuously informs operators of work tool position within the safe working range and warns when approaching the stability limit.

Hydraulically actuated variable gauge undercarriage provides outstanding stability extended to 4000 mm (13 ft); it retracts to 3000 mm (10 ft) to make transportation easier.

Standard rearview and right-hand sideview cameras give clear views on the monitor.

The C9.3B engine can run on biodiesel up to B20 and meets EU Stage V, U.S. EPA Tier 4 Final, and Japan 2014 emission standards.

Match the excavator to the job with three power modes – Power, Smart, and ECO. Smart mode automatically matches engine and hydraulic power to working requirements, providing maximum power when needed and reducing power when it isn’t to help save fuel.

The high-efficiency hydraulic reversing fan cools the engine on demand to help reduce fuel consumption.

Cat technologies increase operating efficiency to lower operator fatigue, operating costs, and fuel consumption.

Demolition cab with standard Operator Protective Guards(OPG) includes front and roof of P5A
10 mm (0.4”) laminated glass.

Tilt-up 30° for a more productive and comfortable sight line.

The windshield and roof one-piece parallel wipers with three intermittent settings includes washer spray.

Premium heated and cooled seat is standard.

Get in and out of the cab easier using the tip-up left console.

Control the excavator comfortably with easy-to-reach controls all located in front of you.

Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles.

Use the standard radio’s USB ports and Bluetooth® technology to connect personal devices and make hands-free calls.

Start the engine with a push button; use a Bluetooth® key fob or the unique Operator ID function.

Program each joystick button, including power mode, response, and pattern, using Operator ID; the machine will remember what you set each time you go to work.

Automatic hydraulic oil warmup gets you to work faster in cold temperatures and helps prolong the life of components.

Navigate quickly on the high-resolution 254 mm (10 in) touchscreen monitor or with the aid of the jog dial control.

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.

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.

BOOST EFFICIENCY AND PRODUCTIVITY WITH CAT TECHNOLOGY

Standard Cat Grade with 2D with a retrofit boom indicates depth and slope on the monitor with auditory alerts.
Cat Payload onboard weighing helps you achieve precise load targets to improve your operating efficiency with a retrofit boom. Pick up a load of material – with either a bucket or grapple – and get a real-time weight estimate without even swinging.
Combine Payload with VisionLink® and remotely manage your production targets. The monitor’s USB port lets you download results from one shift all the way up to 30 days of work, so you can manage your progress without needing an internet connection or VisionLink subscription.
The stability monitoring system continuously informs operators of work tool position within the safe working range and warns when approaching the stability limit.
Know the excavator’s exact position relative to GPS and GLONASS systems. The machine automatically compensates for excavator pitch and roll caused by sloping ground conditions.
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 manufacture.* 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.
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.

*Data field availability can vary by equipment manufacturer.

Enjoy low maintenance cost due to extended service intervals.
Check hydraulic system oil and easily drain fuel system water and fuel tank water from ground level.
Track your excavator’s filter life and maintenance intervals via the in-cab monitor.
Change all fuel filters at a synchronized 1,000 hours. Oil and fuel filters are grouped and located on the right-hand side of the machine for easy maintenance.
The engine air intake filter with pre-cleaner has double the dust holding capacity of the previous air intake filter.
The hydraulic oil filter provides improved filtration; anti-drain valves keep oil clean when the filter is replaced.
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.
S•O•S^SM ports simplify maintenance and allow for quick, easy extraction of fluid samples for analysis.

When you buy Cat® equipment, you get more than the machine. You’re also getting the support of a best-in-class dealer network backed by a range of flexible solutions, technology, tools, and more.

When you work with your local Cat dealer, you'll be supported by one of the industry's most extensive, knowledgeable dealer networks. Comprised of 160 independent dealers, the Cat Dealer Network serves 197 countries with thousands of branches around the globe.

It’s more uptime, cost-saving service and repair options, quality parts, and precision components. It’s all about support built around your success.

Ask your Cat dealer today about the many services that help you do your work your way.

The importance of buying genuine Cat parts.

Designed by Caterpillar engineers to the exact specs of your Cat equipment.
Rigorously tested to ensure maximum performance.
Covered by a 12-month warranty.

Cat Inspect – Work made easy.

Record real-time inspection data.
Simplify inspections and reporting.
Easy-to-read results all in one place.

Cat Ground Engaging Tools (GET) – Longer wear. More work.

GET for every machine and application.
Tools to extend life and track GET lifecycles.
Bucket rebuild options for optimal performance.

Cat Hydraulic Components – Durability quality you can work with.

Flexible options – New, reman, exchange, rebuild or repair.
Expert diagnostics, testing, and contamination control.
Buy in-store, online, or on your mobile device.

Cat Hose Service – Fast, safe—to get you back to work.

Hoses and couplings for most makes and models.
OEM database ensures an exact fit.
Industry-best tooling, training, and assembly standards.

Cat Certified Rebuild – An investment that works. Again, and again.

Better-than-when-new performance at a fraction of the cost.
Performance, safety, and technology upgrades and enhancements.
Full warranty coverage, Customer Value Agreement, and special financing.

Cat Remote Services – Work done in a flash.

Cut downtime for updates and service.
Install the latest machine software remotely.
Troubleshoot issues before a technician arrives.

24/7 Expert Support
Get industry-leading support for any question or problem you have 24 hours a day, 7 days a week, 365 days a year.

CALL US
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Toll Free:1-888-228-1460
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Learn more at https://parts.cat.com/

On-board stability monitoring helps the operator enhance job safety.
A travel direction indicator helps the operator know which way to activate the travel levers.
Enjoy greater visibility in each swing direction with the help of narrow cab pillars and large windows.
A ground-level shutoff switch stops all fuel to the engine when activated and shuts down the machine.
Rearview and right-hand sideview cameras are standard.
Serrated steps and an anti-skid punch plate on the service platform help prevent slipping.
Standard 2D E-Fence (swing) helps you avoid swinging into obstacles to the side of the machine such as live traffic and structures.

The Cat® C9.3B engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrogenated 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.
Auto Engine Speed Control helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
Cat Grade technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy.
Cat® Payload for excavators provides on-the-go material weighing which helps reduce fuel burn by improving loading efficiency, job site productivity, and eliminating trips to the scale.
Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards such as traffic - not only helping keep personnel safe but also helps you avoid repairs, downtime, and costly job site fines.
Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.

*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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.

Specifications Standard Equipment Optional Equipment

Product Specifications for 340 UHD

Engine

Engine Model	Cat C9.3B Cat C9.3B
Net Power - ISO 9249	346 hp 258.3 kW
Engine Power - ISO 14396 (DIN)	351 hp (metric) 351 hp (metric)
Engine Power - ISO 14396:2002	347 hp 259 kW
Net Power - ISO 9249 (DIN)	352 hp (metric) 352 hp (metric)
Bore	5 in 115 mm
Stroke	6 in 149 mm
Displacement	568 in³ 9.3 l
Biodiesel Capability	Up to B20¹ Up to B20¹
Emissions	Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
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 1,900 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 1,900 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels* up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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	560 l/min (148 gal/min) 560 l/min (148 gal/min)
Maximum Pressure - Equipment	5076 psi 35000 kPa
Maximum Pressure - Equipment - Lift Mode	5511 psi 38000 kPa
Maximum Pressure - Travel	5076 psi 35000 kPa
Maximum Pressure - Swing	4264 psi 29400 kPa

Swing Mechanism - UHD Fronts

Swing Speed

4.09 r/min 4.09 r/min

Swing Mechanism

Swing Speed	8 r/min 8 r/min
Maximum Swing Torque	105000 ft·lbf 143 kN·m

Weights

Operating Weight	122600 lb 55600 kg
Note (1)	Hydraulic Variable Gauge undercarriage, 22 m (72'2") UHD front, 600 mm (24") Heavy Duty (HD) triple grouser shoes and 9 mt (19,842 lb) counterweight. No work tool. Hydraulic Variable Gauge undercarriage, 22 m (72'2") UHD front, 600 mm (24") Heavy Duty (HD) triple grouser shoes and 9 mt (19,842 lb) counterweight. No work tool.
Machine Weight - Retrofit Configuration	118600 lb 53800 kg
Note (2)	Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10'6") stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24") HD triple grouser shoes and 9 mt (19,842 lb) counterweight. Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10'6") stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24") HD triple grouser shoes and 9 mt (19,842 lb) counterweight.
UHD in Cradle	18700 lb 8480 kg
Retrofit Boom in Cradle - R3.9 DB Stick	13710 lb 6220 kg
Retrofit Boom in Cradle - R3.2 DB Stick	13340 lb 6050 kg
Retrofit Boom in Cradle - R2.8 DB Stick	13120 lb 5950 kg
2-Piece Retrofit Boom in Cradle - R3.2 DB Stick	17440 lb 7910 kg

Service Refill Capacities

Fuel Tank Capacity	159 gal (US) 600 l
Cooling System	11 gal (US) 40 l
Engine Oil	9 gal (US) 32 l
Swing Drive	5 gal (US) 18 l
Final Drive - Each	2 gal (US) 8 l
Hydraulic System - Including Tank	145 gal (US) 550 l
Hydraulic Tank	43 gal (US) 161 l
DEF Tank	21 gal (US) 80 l

Dimensions

Note (1)	22 m (72'2") UHD Front 22 m (72'2") UHD Front
Shipping Height - Top of Cab	11.1 ft 3383 mm
Cab Height - With OPG	11.8 ft 3585 mm
Shipping Length	49.9 ft 15160 mm
Tail Swing Radius	11.6 ft 3521 mm
Counterweight Clearance	4.6 ft 1397 mm
Ground Clearance	1.7 ft 510 mm
Track Length	18.9 ft 5770 mm
Track Length to Center of Rollers	15.6 ft 4770 mm
Working Gauge - Extended Position	11.1 ft 3400 mm
Shipping Gauge - Retracted Position	7.8 ft 2400 mm
Transport Width	10.7 ft 3255 mm
Machine Length - without Front, with Counterweight	23.3 ft 7077 mm
Machine Length - without Front and Counterweight	22.9 ft 6954 mm
Track Width - Extended	13.1 ft 4000 mm
Track Width - Retracted	9.8 ft 3000 mm
Note (2)	600 mm (24") Track Shoes 600 mm (24") Track Shoes

Working Ranges and Forces

Maximum Pin Height at Stick Nose	72.2 ft 22 m
Maximum Weight at Stick Nose	8160 lb 3700 kg
Maximum Working Pin Height at Stick Nose - 1/2	61 ft 18590 mm
Maximum Working Reach at Stick Nose - 1/2	38.4 ft 11680 mm
Maximum Height at Stick Nose in Max Reach Position	41.5 ft 12640 mm
Maximum Reach at Stick Nose	44.4 ft 13550 mm
Note (1)	22 m (72' 2") UHD Front (Over-the-Front) 22 m (72' 2") UHD Front (Over-the-Front)

Working Ranges and Forces - Retrofit Boom - Straight

Note 1	Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage
Bucket	GD 2.27 m³ (2.97 yd³) GD 2.27 m³ (2.97 yd³)
Maximum Pin Height at Stick Nose	39.8 ft 12.13 m
Maximum Weight at Stick Nose	9260 lb 4200 kg
Maximum Height at Stick Nose in Max Reach Position	7.6 ft 2310 mm
Maximum Reach at Stick Nose	34.8 ft 10620 mm
Maximum Digging Depth	16.1 ft 4910 mm
Maximum Reach - Ground Level	39.9 ft 12160 mm
Maximum Loading Height	34 ft 10370 mm
Minimum Loading Height	15.7 ft 4790 mm
Bucket Digging Force - ISO	47160 lbf 210 kN
Stick Digging Force - ISO	37300 lbf 166 kN

Working Ranges and Forces - Retrofit Boom - Bent

Note 1	Bent - R3.2DB (10'6") Stick - HVG Undercarriage Bent - R3.2DB (10'6") Stick - HVG Undercarriage
Bucket	GD 2.27 m³ (2.97 yd³) GD 2.27 m³ (2.97 yd³)
Maximum Digging Depth	21.4 ft 6520 mm
Maximum Reach - Ground Level	36.7 ft 11180 mm
Maximum Cutting Height	35.4 ft 10790 mm
Maximum Loading Height	24.9 ft 7600 mm
Minimum Loading Height	10.4 ft 3180 mm
Bucket Digging Force - ISO	47160 lbf 210 kN
Stick Digging Force - ISO	37300 lbf 166 kN

Air Conditioning System

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).

340 UHD Standard Equipment

NOTE

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

CAB

Tilt-up demolition cab with P5A laminated front and roof glass

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

Premium heated and cooled auto adjustable suspension seat

Bluetooth® integrated radio

Auto bi-level air conditioner

Jog dial and shortcut keys for monitor control

Keyless push-to-start engine control

Height-adjustable console

Tilt-up left-side console

Cat Stick Steer

Auxiliary relay

Tilt rocker switch

Sky wiper switch

LED interior lights

Roller front sunscreen

P5A fixed windshield

CAT TECHNOLOGY

VisionLink®

Remote Flash

Stability monitoring system

Electronic pitch and roll indicator

Travel direction indicator

Operator Coaching

Electronic joystick pattern changer

Cat Grade with 2D and offset memory (Retrofit boom only)

Cat Payload (Retrofit boom only)

ELECTRICAL SYSTEM

Maintenance-free 1,000 CCA batteries (x 4)

Centralized electrical disconnect switch

LED lights

ENGINE

Three selectable modes: Power, Smart, ECO

Auto engine speed control

Up to 4500 m (14,760 ft) altitude capability

Reverse fan

52° C (126° F) high-ambient cooling

-18° C (0° F) cold start capability

Double element air filter with integrated pre-cleaner

HYDRAULIC SYSTEM

Boom lowering check valve (BLCV) for UHD front

Stick lower check valve (SLCV) for UHD front

Electronic main control valve

Heavy lift mode

Auto hydraulic oil warmup

Auto swing parking brake

High Performance hydraulic return filter

Two-speed travel

Bio hydraulic oil capability

SAFETY AND SECURITY

2D E-Fence (swing)

Cat One Key security system

Lockable external tool/storage box

Lockable door, fuel, and hydraulic tanks

Lockable fuel drain compartment

Lockable disconnect switch

Service platform with anti-skid plate and recessed bolts

Rear and right-hand side cameras

Operator Protective Guards (OPG)

SERVICE AND MAINTENANCE

Integrated vehicle health management system

Grouped location of engine oil and fuel filters

Scheduled Oil Sampling (S·O·S℠) ports

UNDERCARRIAGE AND STRUCTURES

9.0 mt (19,842 lb) counterweight

Full-length track guiding guards

Travel motor guard

Bottom guard

340 UHD Optional Equipment

NOTE

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

BOOMS AND STICKS

22 m (72'2") UHD front

25 m (82'0") UHD front

Two-piece Retrofit Variable Adjustment boom

7.4 m (24'3") Retrofit boom

3.9 m (12'10") Retrofit stick

3.2 m (10'6") Retrofit stick

2.8 m (9'2") Retrofit stick

Advanced tool control, UHD

Cradle for UHD front parts

Cradle for Retrofit front parts

CAB

Roller rear sunscreen

CAT TECHNOLOGY

VisionLink Productivity

ELECTRICAL SYSTEM

Premium surround lighting package

ENGINE

-32° C (-25° F) cold start capability

Cold start block heaters

Ether starting aid

HYDRAULIC SYSTEM

SmartBoom™ with BLCV and Overload Warning Device for UHD front

Bio hydraulic oil capability

Combined two-way auxiliary circuits

High and medium-pressure auxiliary circuits

Quick coupler circuit

SAFETY AND SECURITY

360° visibility

SERVICE AND MAINTENANCE

QuickEvac™ maintenance ready

Electric refueling pump with auto shutoff

UNDERCARRIAGE AND STRUCTURES

Hydraulic Variable Gauge undercarriage

Fixed Gauge undercarriage

600 mm (24 in) double grouser track shoes

600 mm (24 in) HD triple grouser track shoes

700 mm (28 in) triple grouser track shoes

700 mm (28") HD triple grouser track shoes

Product Specifications for 340 UHD

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Engine

Engine Model	Cat C9.3B Cat C9.3B
Net Power - ISO 9249	346 hp 258.3 kW
Engine Power - ISO 14396 (DIN)	351 hp (metric) 351 hp (metric)
Engine Power - ISO 14396:2002	347 hp 259 kW
Net Power - ISO 9249 (DIN)	352 hp (metric) 352 hp (metric)
Bore	5 in 115 mm
Stroke	6 in 149 mm
Displacement	568 in³ 9.3 l
Biodiesel Capability	Up to B20¹ Up to B20¹
Emissions	Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
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 1,900 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 1,900 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels* up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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	560 l/min (148 gal/min) 560 l/min (148 gal/min)
Maximum Pressure - Equipment	5076 psi 35000 kPa
Maximum Pressure - Equipment - Lift Mode	5511 psi 38000 kPa
Maximum Pressure - Travel	5076 psi 35000 kPa
Maximum Pressure - Swing	4264 psi 29400 kPa

Swing Mechanism - UHD Fronts

Swing Speed

4.09 r/min 4.09 r/min

Swing Mechanism

Swing Speed	8 r/min 8 r/min
Maximum Swing Torque	105000 ft·lbf 143 kN·m

Weights

Operating Weight	122600 lb 55600 kg
Note (1)	Hydraulic Variable Gauge undercarriage, 22 m (72'2") UHD front, 600 mm (24") Heavy Duty (HD) triple grouser shoes and 9 mt (19,842 lb) counterweight. No work tool. Hydraulic Variable Gauge undercarriage, 22 m (72'2") UHD front, 600 mm (24") Heavy Duty (HD) triple grouser shoes and 9 mt (19,842 lb) counterweight. No work tool.
Machine Weight - Retrofit Configuration	118600 lb 53800 kg
Note (2)	Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10'6") stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24") HD triple grouser shoes and 9 mt (19,842 lb) counterweight. Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10'6") stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24") HD triple grouser shoes and 9 mt (19,842 lb) counterweight.
UHD in Cradle	18700 lb 8480 kg
Retrofit Boom in Cradle - R3.9 DB Stick	13710 lb 6220 kg
Retrofit Boom in Cradle - R3.2 DB Stick	13340 lb 6050 kg
Retrofit Boom in Cradle - R2.8 DB Stick	13120 lb 5950 kg
2-Piece Retrofit Boom in Cradle - R3.2 DB Stick	17440 lb 7910 kg

Service Refill Capacities

Fuel Tank Capacity	159 gal (US) 600 l
Cooling System	11 gal (US) 40 l
Engine Oil	9 gal (US) 32 l
Swing Drive	5 gal (US) 18 l
Final Drive - Each	2 gal (US) 8 l
Hydraulic System - Including Tank	145 gal (US) 550 l
Hydraulic Tank	43 gal (US) 161 l
DEF Tank	21 gal (US) 80 l

Dimensions

Note (1)	22 m (72'2") UHD Front 22 m (72'2") UHD Front
Shipping Height - Top of Cab	11.1 ft 3383 mm
Cab Height - With OPG	11.8 ft 3585 mm
Shipping Length	49.9 ft 15160 mm
Tail Swing Radius	11.6 ft 3521 mm
Counterweight Clearance	4.6 ft 1397 mm
Ground Clearance	1.7 ft 510 mm
Track Length	18.9 ft 5770 mm
Track Length to Center of Rollers	15.6 ft 4770 mm
Working Gauge - Extended Position	11.1 ft 3400 mm
Shipping Gauge - Retracted Position	7.8 ft 2400 mm
Transport Width	10.7 ft 3255 mm
Machine Length - without Front, with Counterweight	23.3 ft 7077 mm
Machine Length - without Front and Counterweight	22.9 ft 6954 mm
Track Width - Extended	13.1 ft 4000 mm
Track Width - Retracted	9.8 ft 3000 mm
Note (2)	600 mm (24") Track Shoes 600 mm (24") Track Shoes

Working Ranges and Forces

Maximum Pin Height at Stick Nose	72.2 ft 22 m
Maximum Weight at Stick Nose	8160 lb 3700 kg
Maximum Working Pin Height at Stick Nose - 1/2	61 ft 18590 mm
Maximum Working Reach at Stick Nose - 1/2	38.4 ft 11680 mm
Maximum Height at Stick Nose in Max Reach Position	41.5 ft 12640 mm
Maximum Reach at Stick Nose	44.4 ft 13550 mm
Note (1)	22 m (72' 2") UHD Front (Over-the-Front) 22 m (72' 2") UHD Front (Over-the-Front)

Working Ranges and Forces - Retrofit Boom - Straight

Note 1	Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage
Bucket	GD 2.27 m³ (2.97 yd³) GD 2.27 m³ (2.97 yd³)
Maximum Pin Height at Stick Nose	39.8 ft 12.13 m
Maximum Weight at Stick Nose	9260 lb 4200 kg
Maximum Height at Stick Nose in Max Reach Position	7.6 ft 2310 mm
Maximum Reach at Stick Nose	34.8 ft 10620 mm
Maximum Digging Depth	16.1 ft 4910 mm
Maximum Reach - Ground Level	39.9 ft 12160 mm
Maximum Loading Height	34 ft 10370 mm
Minimum Loading Height	15.7 ft 4790 mm
Bucket Digging Force - ISO	47160 lbf 210 kN
Stick Digging Force - ISO	37300 lbf 166 kN

Working Ranges and Forces - Retrofit Boom - Bent

Note 1	Bent - R3.2DB (10'6") Stick - HVG Undercarriage Bent - R3.2DB (10'6") Stick - HVG Undercarriage
Bucket	GD 2.27 m³ (2.97 yd³) GD 2.27 m³ (2.97 yd³)
Maximum Digging Depth	21.4 ft 6520 mm
Maximum Reach - Ground Level	36.7 ft 11180 mm
Maximum Cutting Height	35.4 ft 10790 mm
Maximum Loading Height	24.9 ft 7600 mm
Minimum Loading Height	10.4 ft 3180 mm
Bucket Digging Force - ISO	47160 lbf 210 kN
Stick Digging Force - ISO	37300 lbf 166 kN

Air Conditioning System

Air Conditioning

340 UHD Standard Equipment

NOTE

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

CAB

Tilt-up demolition cab with P5A laminated front and roof glass

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

Premium heated and cooled auto adjustable suspension seat

Bluetooth® integrated radio

Auto bi-level air conditioner

Jog dial and shortcut keys for monitor control

Keyless push-to-start engine control

Height-adjustable console

Tilt-up left-side console

Cat Stick Steer

Auxiliary relay

Tilt rocker switch

Sky wiper switch

LED interior lights

Roller front sunscreen

P5A fixed windshield

CAT TECHNOLOGY

VisionLink®

Remote Flash

Stability monitoring system

Electronic pitch and roll indicator

Travel direction indicator

Operator Coaching

Electronic joystick pattern changer

Cat Grade with 2D and offset memory (Retrofit boom only)

Cat Payload (Retrofit boom only)

ELECTRICAL SYSTEM

Maintenance-free 1,000 CCA batteries (x 4)

Centralized electrical disconnect switch

LED lights

ENGINE

Three selectable modes: Power, Smart, ECO

Auto engine speed control

Up to 4500 m (14,760 ft) altitude capability

Reverse fan

52° C (126° F) high-ambient cooling

-18° C (0° F) cold start capability

Double element air filter with integrated pre-cleaner

HYDRAULIC SYSTEM

Boom lowering check valve (BLCV) for UHD front

Stick lower check valve (SLCV) for UHD front

Electronic main control valve

Heavy lift mode

Auto hydraulic oil warmup

Auto swing parking brake

High Performance hydraulic return filter

Two-speed travel

Bio hydraulic oil capability

SAFETY AND SECURITY

2D E-Fence (swing)

Cat One Key security system

Lockable external tool/storage box

Lockable door, fuel, and hydraulic tanks

Lockable fuel drain compartment

Lockable disconnect switch

Service platform with anti-skid plate and recessed bolts

Rear and right-hand side cameras

Operator Protective Guards (OPG)

SERVICE AND MAINTENANCE

Integrated vehicle health management system

Grouped location of engine oil and fuel filters

Scheduled Oil Sampling (S·O·S℠) ports

UNDERCARRIAGE AND STRUCTURES

9.0 mt (19,842 lb) counterweight

Full-length track guiding guards

Travel motor guard

Bottom guard

340 UHD Optional Equipment

NOTE

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

BOOMS AND STICKS

22 m (72'2") UHD front

25 m (82'0") UHD front

Two-piece Retrofit Variable Adjustment boom

7.4 m (24'3") Retrofit boom

3.9 m (12'10") Retrofit stick

3.2 m (10'6") Retrofit stick

2.8 m (9'2") Retrofit stick

Advanced tool control, UHD

Cradle for UHD front parts

Cradle for Retrofit front parts

CAB

Roller rear sunscreen

CAT TECHNOLOGY

VisionLink Productivity

ELECTRICAL SYSTEM

Premium surround lighting package

ENGINE

-32° C (-25° F) cold start capability

Cold start block heaters

Ether starting aid

HYDRAULIC SYSTEM

SmartBoom™ with BLCV and Overload Warning Device for UHD front

Bio hydraulic oil capability

Combined two-way auxiliary circuits

High and medium-pressure auxiliary circuits

Quick coupler circuit

SAFETY AND SECURITY

360° visibility

SERVICE AND MAINTENANCE

QuickEvac™ maintenance ready

Electric refueling pump with auto shutoff

UNDERCARRIAGE AND STRUCTURES

Hydraulic Variable Gauge undercarriage

Fixed Gauge undercarriage

600 mm (24 in) double grouser track shoes

600 mm (24 in) HD triple grouser track shoes

700 mm (28 in) triple grouser track shoes

700 mm (28") HD triple grouser track shoes

Compatible Technology and Services

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Command

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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Excavators

Selected

340 UHD Cat® 340 UHD Hydraulic Excavator

Operating Weight: 122600 lb; 55600 kg
Maximum Pin Height at Stick Nose: 72.2 ft; 22 m
Maximum Weight at Stick Nose: 8160 lb; 3700 kg

Excavators

352 Straight Boom Cat® 352 Straight Boom Excavator

Operating Weight: 121000 lb; 54900 kg
Maximum Pin Height at Stick Nose: 42.2 ft; 12.85 m
Maximum Weight at Stick Nose: 12456 lb; 5650 kg

View Details

Excavators

352 UHD Cat® 352 UHD Hydraulic Excavator

Operating Weight: 143300 lb; 65000 kg
Maximum Pin Height at Stick Nose: 90.8 ft; 27.7 m
Maximum Weight at Stick Nose: 8157 lb; 3700 kg

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