Medium Excavators 325 - Tier 4 / Stage V

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Key Specs

Net Power - ISO 9249: 172 hp; 128.5 kW

Operating Weight: 62800 lb; 28500 kg

Maximum Digging Depth: 22 ft; 6700 mm

325 - Tier 4 / Stage V
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Overview

Premium Performance with Simple-To-Use Technologies

The Cat® 325 Excavator brings premium performance with simple-to-use technologies like Cat Grade with 2D, Grade Assist, Lift Assist and Payload – all standard equipment from the factory to help boost operator efficiencies. Combine these features with a compact radius design for working in tight spaces, an ergonomic cab, extended maintenance intervals that help lower your maintenance costs, and a power system that helps reduce fuel consumption and you have a low-cost-per-unit-of-production excavator that’s perfect for medium- to heavy-duty applications. An optional blade allows for fast job site cleaning and leveling, and an optional heavy counterweight helps maximize the performance of this compact radius machine.

Benefits

LOW FUEL CONSUMPTION

Electro-hydraulic pump and main control valve
Smart Mode
Auto Reversing E-fan system

HIGH PERFORMANCE

Help boost productivity with standard technology
Heavy counterweight to maximize lift capabillity
Blade float function

LOW MAINTENANCE COSTS

Longer fuel life, hydraulic oil, and air filters
No pilot or case drain filters
Ground-level engine oil level check

UP TO 25% LESS CO2 EMISSIONS

The 325 emits up to 25% less CO2 than the previous 325F.

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.

Operator Coaching - Empower Operators. Exceed Targets.

Operator Coaching is an in-cab system that recognizes specific opportunities for operators to be more productive and prevent unnecessary machine wear and tear.
After detecting inefficient or restricted actions, the system alerts the operator and provides insight into the inefficiency and steps to improve.
Paired with a VisionLink® Productivity subscription, this information and other Operator Coaching insights can be viewed from anywhere.

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

Smart mode helps reduce fuel consumption by automatically matching engine and hydraulic power to digging conditions.
Compact radius helps you work in tight spaces.
High swing torque makes working on slopes easier.
Increase operating efficiency with standard Cat Technologies that help lower operator fatigue and your operating costs, including fuel consumption and daily maintenance.
C4.4 engine that meets emission standards. An aftertreatment system that requires no maintenance or downtime.
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 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.
Available SmartBoom™ lets the boom freely travel up and down without using any pump flow so operators can focus on stick and bucket work. The benefits are reduced operator stress and reduced fuel consumption(not available in all regions - consult your local dealer on availability).
Don’t let the temperature stop you from working. The excavator has a standard high-ambient temperature capability of 50° C (122° F) with de-rate and cold start capability of –18° C (0° F). An optional –32° C (–25° F) cold start package is available.

BOOST EFFICIENCY AND PRODUCTIVITY WITH INTEGRATED CAT TECHNOLOGIES

Boost productivity with standard Cat® Grade with 2D system – includes indicate-only and laser capability.
Standard Grade Assist helps you stay on grade – simply and effortlessly – with single-lever digging.
Set your desired bucket angle and let Bucket Assist automatically maintain the angle in sloping, leveling, fine grading, and trenching applications.
Keep the tracks on ground in lifting and hard digging with Boom Assist.
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.
Combine Payload with VisionLink® and remotely manage your production targets.
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.
Already invested in another brand’s 3D system? No problem. Standard Cat technology like Grade with 2D can readily integrate with that system to give you the precise results you need.
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.
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 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.
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.

Choose between Comfort, Deluxe and Premium cabs – all with automatic climate control (consult your local dealer on availability in your region).
The Comfort cab is equipped with a mechanical suspension seat. The Deluxe seat is heated and air adjustable. The Premium seat is heated and cooled and adjusts automatically.
Get in and out of the cab easier using the tip-up left console available in the deluxe and premium cabs.
Improved viscous mounts help reduce cab vibration, increasing operator comfort and efficiency.
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 and in the consoles. A cup holder, document holder, bottle holder, and coat hook are also provided.
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 your power mode and joystick preferences using Operator ID; the excavator will remember what you set each time you go to work.
Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor, or with the optional 254 mm (10 in) touchscreen monitor (available on the Deluxe and Premium cabs only), 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.
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.
Tilt rotator attachments-ours or other brands-work seamlessly with Cat 2D Grade, Assist, Payload, and E-Fence . With no additional hardware required, all you have to do is simply select "Third Party Tiltrotator System Installation" in the monitor, do the calibration, and get to work.
Find the tool you need – even if it’s hidden beneath overgrowth or debris. The excavator’s onboard Bluetooth reader can locate any work tool equipped with Cat asset tracking devices up to a range of 60 m (200 ft).*
Auto Dig Boost increases power by up to 8% for better bucket penetration, shorter cycle times, and greater payloads.**
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.
Need more lift during your shift? Turn on Auto Heavy Lift and get 8% more power exactly when you need it for as long as you need it.**

*Not available with the Comfort cab.
**Auto Dig Boost and Auto Heavy Lift calculations are based on 300 bar (boost pressure) divided by 350 bar (standard pressure).

Expect lower maintenance cost with extended and more synchronized maintenance intervals. All maintenance checkpoints are accessible at ground level, resulting in faster, easier, and safer daily maintenance checks.
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.
Track your excavator’s filter life and maintenance intervals via the in-cab monitor.
No required maintenance on the Cat Clean Emissions Module.
Using Cat® genuine oil and filters and doing typical S∙O∙S 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.
Expect the latest air intake filter with pre-cleaner to last up to 1,000 hours.
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.
High-efficiency cooling fans run only when needed; you can program intervals so they automatically reverse to keep cores clean without interrupting your work.
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.

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.
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.).
Lift Assist helps you avoid tipping. With visual and auditory alerts, you’ll know if your load is within the excavator’s safe working range limits.
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 all service points from ground level – no need for you to climb on top of the 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 and a right-side-view camera** are standard. Upgrade to 360° visibility and you’ll easily visualize objects and personnel around the excavator in a single view.
The latest service platform design in the front of the machine provides easy, safe, and quick access to upper service platform; the service platform steps use anti-skid punch plate to prevent slipping.
Optional boom and stick lowering check valves prevent reverse flow, keeping your front linkage securely in place should the hydraulic system unexpectedly lose power.
Brightly colored seatbelts allow easy recognition of properly utilized safety restraints.
Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.

* Not all technology features are available on the Command Console and vary by model. Consult your Cat dealer for details.
**Not available in Korea.

The Cat® C4.4 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
The 325 emits up to 25% less CO2 than the previous 325F.*
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.
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.
Auto Engine Speed Control reduces unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
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.
VisionLink® displays the CO2 emissions for monitored assets, calculated by fuel type for the Runtime Fuel Burned each day in a selected date range.
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.
Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.

*All comparisons to 325F. Productivity, fuel and CO2 emissions vary by application. CO2 emissions calculations based on a reference work cycle using 2.2 U.S. gallons per hour of #2 U.S. diesel fuel based. Applies IPCC2006 methodology using U.S. EPA Emissions Hub emission factors. Includes DEF (diesel exhaust fluid) related CO2. Fuel measurements are at 15°C. Estimated average fuel consumption improvements are based on tests or Product Link™ data where available. Productivity improvements are based on test data.
**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 325 - Tier 4 / Stage V

Engine

Net Power - ISO 9249	172 hp 128.5 kW
Engine Model	Cat C4.4 Cat C4.4
Engine Power - ISO 14396:2002	174 hp 129.4 kW
Bore	4 in 105 mm
Stroke	5 in 127 mm
Displacement	269 in³ 4.4 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 2,200 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 2,200 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 - Implement	429 L/min (113 gal/min) 429 L/min (113 gal/min)
Maximum Pressure - Equipment - Normal	5075 psi 35000 kPa
Maximum Pressure - Travel	5075 psi 35000 kPa
Maximum Pressure - Swing	3988 psi 27500 kPa

Swing Mechanism

Swing Speed	11.12 r/min 11.12 r/min
Maximum Swing Torque	60360 ft·lbf 82 kN·m

Weights

Operating Weight	62800 lb 28500 kg
Note	Long undercarriage, Reach boom, R2.9B1 (9'6") stick, Heavy Duty (HD) 1.19 m³ (1.56 yd³) bucket, 790 mm (31") HD triple grouser shoes and 8300 kg (18,300 lb) counterweight. Long undercarriage, Reach boom, R2.9B1 (9'6") stick, Heavy Duty (HD) 1.19 m³ (1.56 yd³) bucket, 790 mm (31") HD triple grouser shoes and 8300 kg (18,300 lb) counterweight.

Service Refill Capacities

Fuel Tank Capacity	82.7 gal (US) 313 l
Cooling System	3.1 gal (US) 11.8 l
Engine Oil	4 gal (US) 15 l
Swing Drive	1.5 gal (US) 5.5 l
Final Drive - Each	1.2 gal (US) 4.5 l
Hydraulic System - Including Tank	60.8 gal (US) 230 l
Hydraulic Tank	29.4 gal (US) 111 l
DEF Tank	6.9 gal (US) 26 l

Dimensions

Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket	HD 1.19 m³ (1.56 yd³) HD 1.19 m³ (1.56 yd³)
Handrail Height	10.5 ft 3190 mm
Tail Swing Radius	5.11 ft 1810 mm
Counterweight Clearance	3.3 ft 980 mm
Ground Clearance	1.5 ft 440 mm
Track Length	14.7 ft 4460 mm
Track Gauge	7.1 ft 2380 mm
Transport Width - 790 mm (31 in) Shoes	10.4 ft 3170 mm

Working Ranges and Forces

Maximum Digging Depth	22 ft 6700 mm
Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket	HD 1.19 m³ (1.56 yd³) HD 1.19 m³ (1.56 yd³)
Minimum Loading Height	9.9 ft 2980 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	21.5 ft 6520 mm

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 0.8 kg (1.8 lb) of refrigerant which has a CO2 equivalent of 1.144 metric tonnes (1.261 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.8 kg (1.8 lb) of refrigerant which has a CO2 equivalent of 1.144 metric tonnes (1.261 tons).

Sustainability

Recyclability

98% 98%

325 - Tier 4 / Stage V Standard Equipment

NOTE

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

CAB

ROPS

Mechanical-suspension seat (Comfort only)

Heated air-suspension seat (Deluxe only)

Heated and ventilated air-suspension seat (Premium only)

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

High-resolution 254 mm (10 in) LCD touchscreen monitor (Deluxe, Premium only)

CAT TECHNOLOGIES

VisionLink®

Remote Flash

Remote Troubleshoot

Cat Grade 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

Three selectable modes: Power, Smart, Eco

One-touch low idle with auto engine speed control

Auto engine idle shutdown

50° C (122° F) high-ambient cooling capacity without de-rate

–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 hydraulic warm up

Auto two-speed travel

Boom and stick drift reduction valve

Auto dig boost

SAFETY AND SECURITY

2D E-Fence

Auto hammer stop

Rearview camera

Right-side-view camera

Lift assist

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

Long undercarriage

Tie-down points on base frame

325 - Tier 4 / Stage V Optional Equipment

NOTE

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

BOOMS AND STICKS

5.7 m (18'8") Reach boom

5.7 m (18'8") HD Reach boom

2.8 m + 3.3 m (9'2" + 10'10") VA boom

2.9 m (9'6") Reach stick

2.9 m (9'6") HD Reach stick

2.9 m (9'6") Thumb Ready stick

CAB

Roller rear sunscreen

Cat Stick Steer

CAT TECHNOLOGIES

VisionLink Productivity

Cat Grade Connectivity

Cat Grade 2D with Attachment Ready Option (ARO)

Cat Grade 3D single GNSS

Cat Grade 3D dual GNSS

Cat Tilt Rotator (TRS) Integration

Operator Coaching

ELECTRICAL SYSTEM

360° lighting

ENGINE

–32° C (–25° F) cold start capability

HYDRAULIC SYSTEM

SmartBoom™ (Europe only)

Hydraulic efficiency monitoring

SAFETY AND SECURITY

Cat Command remote control

360° visibility

Swing alarm

Inspection lighting

UNDERCARRIAGE AND STRUCTURES

Standard undercarriage (Japan only)

600 mm (24") triple grouser shoes

600 mm (24") HD triple grouser shoes

700 mm (28") triple grouser shoes

700 mm (28") HD triple grouser shoes

790 mm (31") triple grouser shoes

790 mm (31") HD triple grouser shoes

4900 kg (10,800 lb) counterweight

6700 kg (14,771 lb) counterweight

8300 kg (18,300 lb) counterweight

2980 mm (9'9") blade

3170 mm (10'5") blade

Product Specifications for 325 - Tier 4 / Stage V

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Engine

Net Power - ISO 9249	172 hp 128.5 kW
Engine Model	Cat C4.4 Cat C4.4
Engine Power - ISO 14396:2002	174 hp 129.4 kW
Bore	4 in 105 mm
Stroke	5 in 127 mm
Displacement	269 in³ 4.4 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 2,200 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 2,200 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 - Implement	429 L/min (113 gal/min) 429 L/min (113 gal/min)
Maximum Pressure - Equipment - Normal	5075 psi 35000 kPa
Maximum Pressure - Travel	5075 psi 35000 kPa
Maximum Pressure - Swing	3988 psi 27500 kPa

Swing Mechanism

Swing Speed	11.12 r/min 11.12 r/min
Maximum Swing Torque	60360 ft·lbf 82 kN·m

Weights

Operating Weight	62800 lb 28500 kg
Note	Long undercarriage, Reach boom, R2.9B1 (9'6") stick, Heavy Duty (HD) 1.19 m³ (1.56 yd³) bucket, 790 mm (31") HD triple grouser shoes and 8300 kg (18,300 lb) counterweight. Long undercarriage, Reach boom, R2.9B1 (9'6") stick, Heavy Duty (HD) 1.19 m³ (1.56 yd³) bucket, 790 mm (31") HD triple grouser shoes and 8300 kg (18,300 lb) counterweight.

Service Refill Capacities

Fuel Tank Capacity	82.7 gal (US) 313 l
Cooling System	3.1 gal (US) 11.8 l
Engine Oil	4 gal (US) 15 l
Swing Drive	1.5 gal (US) 5.5 l
Final Drive - Each	1.2 gal (US) 4.5 l
Hydraulic System - Including Tank	60.8 gal (US) 230 l
Hydraulic Tank	29.4 gal (US) 111 l
DEF Tank	6.9 gal (US) 26 l

Dimensions

Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket	HD 1.19 m³ (1.56 yd³) HD 1.19 m³ (1.56 yd³)
Handrail Height	10.5 ft 3190 mm
Tail Swing Radius	5.11 ft 1810 mm
Counterweight Clearance	3.3 ft 980 mm
Ground Clearance	1.5 ft 440 mm
Track Length	14.7 ft 4460 mm
Track Gauge	7.1 ft 2380 mm
Transport Width - 790 mm (31 in) Shoes	10.4 ft 3170 mm

Working Ranges and Forces

Maximum Digging Depth	22 ft 6700 mm
Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket	HD 1.19 m³ (1.56 yd³) HD 1.19 m³ (1.56 yd³)
Minimum Loading Height	9.9 ft 2980 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	21.5 ft 6520 mm

Air Conditioning System

Air Conditioning

Sustainability

Recyclability

98% 98%

325 - Tier 4 / Stage V Standard Equipment

NOTE

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

CAB

ROPS

Mechanical-suspension seat (Comfort only)

Heated air-suspension seat (Deluxe only)

Heated and ventilated air-suspension seat (Premium only)

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

High-resolution 254 mm (10 in) LCD touchscreen monitor (Deluxe, Premium only)

CAT TECHNOLOGIES

VisionLink®

Remote Flash

Remote Troubleshoot

Cat Grade 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

Three selectable modes: Power, Smart, Eco

One-touch low idle with auto engine speed control

Auto engine idle shutdown

50° C (122° F) high-ambient cooling capacity without de-rate

–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 hydraulic warm up

Auto two-speed travel

Boom and stick drift reduction valve

Auto dig boost

SAFETY AND SECURITY

2D E-Fence

Auto hammer stop

Rearview camera

Right-side-view camera

Lift assist

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

Long undercarriage

Tie-down points on base frame

325 - Tier 4 / Stage V Optional Equipment

NOTE

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

BOOMS AND STICKS

5.7 m (18'8") Reach boom

5.7 m (18'8") HD Reach boom

2.8 m + 3.3 m (9'2" + 10'10") VA boom

2.9 m (9'6") Reach stick

2.9 m (9'6") HD Reach stick

2.9 m (9'6") Thumb Ready stick

CAB

Roller rear sunscreen

Cat Stick Steer

CAT TECHNOLOGIES

VisionLink Productivity

Cat Grade Connectivity

Cat Grade 2D with Attachment Ready Option (ARO)

Cat Grade 3D single GNSS

Cat Grade 3D dual GNSS

Cat Tilt Rotator (TRS) Integration

Operator Coaching

ELECTRICAL SYSTEM

360° lighting

ENGINE

–32° C (–25° F) cold start capability

HYDRAULIC SYSTEM

SmartBoom™ (Europe only)

Hydraulic efficiency monitoring

SAFETY AND SECURITY

Cat Command remote control

360° visibility

Swing alarm

Inspection lighting

UNDERCARRIAGE AND STRUCTURES

Standard undercarriage (Japan only)

600 mm (24") triple grouser shoes

600 mm (24") HD triple grouser shoes

700 mm (28") triple grouser shoes

700 mm (28") HD triple grouser shoes

790 mm (31") triple grouser shoes

790 mm (31") HD triple grouser shoes

4900 kg (10,800 lb) counterweight

6700 kg (14,771 lb) counterweight

8300 kg (18,300 lb) counterweight

2980 mm (9'9") blade

3170 mm (10'5") blade

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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 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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People Detection for Excavators

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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 PL161 Attachment Tracker

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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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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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See how 325 - Tier 4 / Stage V compares against frequently compared products.

Excavators

Selected

325 - Tier 4 / Stage V

Net Power - ISO 9249: 172 hp; 128.5 kW
Operating Weight: 62800 lb; 28500 kg
Maximum Digging Depth: 22 ft; 6700 mm

Excavators

323 - Tier 3

Net Power - ISO 9249: 157 hp; 117 kW
Operating Weight: 50500 lb; 22900 kg
Maximum Digging Depth: 22.1 ft; 6730 mm

View Details

Excavators

330 - Tier 4 / Stage V

Net Power - ISO 9249: 273 hp; 203.7 kW
Operating Weight: 69200 lb; 31400 kg
Maximum Digging Depth: 23.9 ft; 7240 mm

View Details

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325 Hydraulic Excavator

Stick Steer for Cat® Excavators

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Medium Excavators 325 - Tier 4 / Stage V

Overview

Premium Performance with Simple-To-Use Technologies

Benefits

LOW FUEL CONSUMPTION

HIGH PERFORMANCE

LOW MAINTENANCE COSTS

UP TO 25% LESS CO2 EMISSIONS

Features At A Glance

Product Specifications for 325 - Tier 4 / Stage V

Engine

Hydraulic System

Swing Mechanism

Weights

Service Refill Capacities

Dimensions

Working Ranges and Forces

Air Conditioning System

Sustainability

325 - Tier 4 / Stage V Standard Equipment

NOTE

CAB

CAT TECHNOLOGIES

ELECTRICAL SYSTEM

ENGINE

HYDRAULIC SYSTEM

SAFETY AND SECURITY

SERVICE AND MAINTENANCE

UNDERCARRIAGE AND STRUCTURES

325 - Tier 4 / Stage V Optional Equipment

NOTE

BOOMS AND STICKS

CAB

CAT TECHNOLOGIES

ELECTRICAL SYSTEM

ENGINE

HYDRAULIC SYSTEM

SAFETY AND SECURITY

UNDERCARRIAGE AND STRUCTURES

Product Specifications for 325 - Tier 4 / Stage V

Engine

Hydraulic System

Swing Mechanism

Weights

Service Refill Capacities

Dimensions

Working Ranges and Forces

Air Conditioning System

Sustainability

325 - Tier 4 / Stage V Standard Equipment

NOTE

CAB

CAT TECHNOLOGIES

ELECTRICAL SYSTEM

ENGINE

HYDRAULIC SYSTEM

SAFETY AND SECURITY

SERVICE AND MAINTENANCE

UNDERCARRIAGE AND STRUCTURES

325 - Tier 4 / Stage V Optional Equipment

NOTE

BOOMS AND STICKS

CAB

CAT TECHNOLOGIES

ELECTRICAL SYSTEM

ENGINE

HYDRAULIC SYSTEM

SAFETY AND SECURITY

UNDERCARRIAGE AND STRUCTURES

Compatible Technology and Services

Cat Grade Assist for Excavators

Cat Lift Assist for Excavators

Cat Command Remote Control for Construction

Cat 2D E-fence for Excavators

People Detection for Excavators

Cat Inspect

Cat PL161 Attachment Tracker

Cat Product Link

Cat Remote Flash

VisionLink®

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