Engine

Maximum Gross Power

188HP

Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4)

1800r/min

Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4)

183HP

Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4)

186mhp

Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4)

664ft·lbf

Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4)

649ft·lbf

Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*)

1600r/min

Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)

170HP

Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*)

172mhp

Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*)

642ft·lbf

Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*)

627ft·lbf

Engine Model

Cat C7.1 ACERT**

Note (1)

Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission components and fan at specified speed.

Note (2)

*Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.

Rated Net Power - 1,600 rpm - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)

170HP

Note (3)

**The Cat C7.1 ACERT engine meets Tier 4 Final/Stage V off-highway emission standards.

Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4)

650ft·lbf

Rated Net Power - 1,800 rpm - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4)

184HP

Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*)

628ft·lbf

Displacement (Performance Power Mode: Speed Range 1-4)

427in³

Maximum Gross Power - 1,800 rpm - ISO 14396 (Performance Power Mode: Range 1-4)

188HP

Displacement (Standard Power Mode: Speed Range 1-3*)

427in³

Maximum Gross Power - 1,600 rpm - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*)

176mhp

Maximum Gross Power - 1,800 rpm - ISO 14396 (DIN) (Performance Power Mode: Range 1-4)

190mhp

Maximum Gross Power - 1,600 rpm - ISO 14396 (Standard Power Mode: Range 1-3*)

173HP

Weights

Operating Weight

35778lb

Buckets

Bucket Capacities

2.5-5.0 m3 (3.2-6.5 yd3)

Bucket Capacities - General Purpose

2.5-3.2 m³ (3.2-4.2 yd³)

Bucket Capacities - Light Material

3.1-5.0 m³ (4.0-6.5 yd³)

Cab

ROPS

ISO 3471:2008

FOPS

ISO 3449:2008 Level II

Note (3)

*The measurements were conducted with the cab doors and windows closed and at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds.

Note (1)

Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.

Note (2)

The declared dynamic operator sound pressure levels per ISO 6396:2008*, when properly installed and maintained, are:
– Standard cab: 68 ±3 dB(A)
– Deluxe cab: 66 ±2 dB(A)

Loader Hydraulic System

Maximum Flow - Implement Pump - 3rd Function Maximum Flow*

50gal/min

Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level

2.7s

Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level

2.7s

Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift

6.2s

Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height

1.5s

Maximum Flow - Implement Pump - 4th Function Maximum Flow*

42gal/min

Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure

4061psi

Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure

4351psi

Note (1)

*3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display, when equipped.

Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Raise, Ground Level to Maximum Lift

5.5s

Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time

9.7s

Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Dump, at Maximum Lift Height

1.7s

Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time

10.6s

Maximum Flow - Implement Pump

50gal/min

Maximum Working Pressure - Implement Pump

4061psi

Relief Pressure - Tilt Cylinder

4351psi

Sound

Operator Sound Pressure (ISO 6396:2008)

72dB(A)

Average Exterior Sound Pressure (ISO 6395:2008)

101dB(A)

Note (1)

European Union Directive “2000/14/EC”

Steering

Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed

2.3s

Maximum Steering Torque - 40° (Full Turn)

31398ft·lbf

Steering Articulation Angle - Each Direction

40°

Maximum Flow - Steering Pump

34gal/min

Maximum Steering Torque - 0° (Straight Machine)

42506ft·lbf

Maximum Working Pressure - Steering Pump

3500psi

Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left

3.3turns

Tires

Note (3)

Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.

Other Choices Include

20.5 R25, radial (L-2); 20.5 R25, radial (L-5); 20.5-25 12PR (L-2); 20.5-25 12PR (L-3); 20.5-25 16PR (L-5); 23.5 R25, radial (L-3); 650/65 R25 radial (L-3); Skidder/Agriculture; Solid Tires

Note (2)

In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities.

Standard Size

20.5 R25, radial (L-3)

Note (1)

Other tire choices are available. Contact your Cat dealer for details.

Axles

Front

Fixed; Locking differential (standard)

Rear

Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional)

Service Refill Capacities

Note

DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1.

Front Axles

9.2gal (US)

Rear Axles

9.2gal (US)

Diesel Exhaust Fluid (DEF) Tank

5gal (US)

Engine Crankcase

5.3gal (US)

Fuel Tank

51.5gal (US)

Transmission - Gear Box

2.9gal (US)

Hydraulic System - Including Tank

44.9gal (US)

Hydraulic Tank

23.8gal (US)

Cooling System

7.9gal (US)

Transmission

Forward and Reverse - Range 1*

1-13 km/h (0.6-8 mph)

Forward and Reverse - Range 2

8mile/h

Forward and Reverse - Range 3

17mile/h

Forward and Reverse - Range 4

25mile/h

Note

*Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display, when equipped. Factory default is 7 km/h (4.4 mph).

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 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes.