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The Cat® 988 GC Wheel Loader helps you move more material at a lower cost per hour for a faster return on your investment. This machine offers significant fuel savings and up to 10% lower owning and operating cost than the 988K.

Cat Specs
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Engine

Gross Power - SAE J1995
456 HP
Peak Power Speed
1600
Engine Power - ISO 14396
449 HP
Net Power - SAE J1349
373 HP
Rated Speed
2000
Bore
5.4 in
Stroke
6.75 in
Displacement
927 in²
Peak Torque - 1,200 rpm - SAE J1995
1778 lb/ft
Torque Rise
16%
Emissions
U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Engine Model
Cat® C15

Buckets

Bucket Capacities
6.4-7.6 m3 (8.3-10 yd3)

Service Refill Capacities

Engine Crankcase
9 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-carb
Fuel Tank
141 gal (US)
Cooling System
27 gal (US)
Diesel Exhaust Fluid Tank
5.5 gal (US)
Transmission
20 gal (US)

Transmission

Transmission Type
Cat planetary power shift
Forward - 1
5 mile/h
Forward - 2
8 mile/h
Direct Drive - Forward 2
8 mile/h
Direct Drive - Forward 3
14 mile/h
Direct Drive - Forward 4
24 mile/h
Reverse - 1
5 mile/h
Reverse - 2
8 mile/h
Direct Drive - Reverse 2
9 mile/h
Direct Drive - Reverse 3
16 mile/h
Direct Drive - Reverse 4
25.4 mile/h

Operating Specifications

Bucket Capacity Range
6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match - High Lift
772/773/775

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit
EH - Load Sense
Maximum Flow at 2,165 rpm
159 gal/min
Cylinders, Double Acting - Lift, Bore and Stroke
190 mm x 1216 mm (7.5 in x 48 in)
Relief Valve Setting - Lift/Tilt
4598 psi
Tilt Cylinder - Stroke
27 in
Lift/Tilt System
2X x 145 cc Variable displacement piston
Pilot System
Variable displacement piston

Hydraulic Cycle Times

Rack Back
3.8 s
Raise
7.5 s
Dump
3 s
Lower Float Down
4.6 s

Hydraulic System - Steering

Relief Valve Setting - Steering
4000 psi
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
70°
Steering Cycle Times - High Idle
3 s
Steering Cycle Times - Low Idle
5.2 s

Dimensions (Approximate) - High Lift

Wheel Base
12.5 ft

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 equiv

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
+/-12.5°

Brakes

Brakes
ISO 3450:2011

Shipping

UPC
96%

Operator's Cab

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