988 GC Wheel Loader

Engine

Engine Model

Cat® C15

Rated Speed

2000

Peak Power Speed

1600

Engine Power - ISO 14396:2002

449 hp

Gross Power - SAE J1995:2014

456 hp

Net Power - SAE J1349:2011

373 hp

Emissions

U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014

Bore

5.4 in

Stroke

6.75 in

Displacement

927 in³

Peak Torque - 1,200 rpm - SAE J1995

1778 ft·lbf

Torque Rise

16%

Operating Specifications

Operating Weight

116858 lb

Rated Payload - Quarry Face

12.5 ton (US)

Bucket Capacity Range

6.4-7.6 m3 (8.3-10 yd3)

Cat Truck Match - High Lift

772/773/775

Transmission

Transmission Type

Cat planetary power shift

Forward - 1

5 mile/h

Forward - 2

8 mile/h

Reverse - 1

5 mile/h

Reverse - 2

8 mile/h

Direct Drive - Forward 1

Lock-up disabled

Direct Drive - Forward 2

8 mile/h

Direct Drive - Forward 3

14 mile/h

Direct Drive - Forward 4

24 mile/h

Direct Drive - Reverse 1

Lock-up disabled

Direct Drive - Reverse 2

9 mile/h

Direct Drive - Reverse 3

16 mile/h

Direct Drive - Reverse 4

25.4 mile/h

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit

EH - Load Sense

Lift/Tilt System

2X x 145 cc Variable displacement piston

Maximum Flow at 2,165 rpm

159 gal/min

Relief Valve Setting - Lift/Tilt

4598 psi

Cylinders, Double Acting - Lift, Bore and Stroke

190 mm x 1216 mm (7.5 in x 48 in)

Cylinders, Double Acting - Tilt, Bore and Stroke

170 mm x 722 mm (6.7 in x 28.4 in)

Pilot System

Variable displacement piston

Tilt Cylinder - Stroke

27 in

Hydraulic Cycle Times

Rack Back

3.8 s

Raise

7.5 s

Dump

3 s

Lower Float Down

4.6 s

Total Hydraulic Cycle Time - Empty Bucket

18.9 s

Hydraulic System - Steering

Steering System - Circuit

Pilot, load sensing

Steering System - Pump

Piston, variable displacement

Maximum Flow

52 gal (US)

Relief Valve Setting - Steering

4000 psi

Total Steering Angle

70°

Steering Cycle Times - High Idle

3 s

Steering Cycle Times - Low Idle

5.2 s

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 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

Axles

Front

Fixed

Rear

Trunnion

Oscillation Angle

+/-12.5°

Brakes

Brakes

ISO 3450:2011

Operator's Cab

ROPS/FOPS

ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Service Refill Capacities

Fuel Tank

141 gal (US)

Cooling System

27 gal (US)

Engine Crankcase

9 gal (US)

Diesel Exhaust Fluid Tank

5.5 gal (US)

Transmission

20 gal (US)

Differential - Final Drives - Front

49 gal (US)

Differential - Final Drives - Rear

45 gal (US)

Note

Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 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 a

Sound Performance - Tier 4 Final/EU Stage V - Standard

Operator Sound Level (ISO 6396)

72 dB(A)

Machine Sound Level (ISO 6395)

110 dB(A)

Note (1)

The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Note (2)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Note (3)

The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Dimensions (Approximate) - High Lift

Ground to Top of ROPS

13.5 ft

Ground to Top of Exhaust Stacks

13.3 ft

Ground to Top of Hood

10.7 ft

Rear Axle - Centerline to Bumper

10.3 ft

Front Axle Centerline to Bucket Tip

15.7 ft

Wheel Base

12.5 ft

Maximum Overall Length

39.5 ft

Ground to Lower Hitch Clearance

1.5 ft

Clearance at Maximum Lift

12 ft

B-Pin Height - Maximum Lift

18.7 ft

Maximum Overall Height - Bucket Raised

25 ft

Reach - Maximum Lift

7.7 ft

Note

Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.

Buckets

Bucket Capacities

6.4-7.6 m3 (8.3-10 yd3)

Sustainability

Recyclability

96%