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.
Engine Model Cat® C15
Rated Speed 2000
Peak Power Speed 1600
Engine Power - ISO 14396 449 HP
Bore 5.4in
Displacement 927in³
Emissions U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Engine Model Cat® C15
Engine Power - ISO 14396 449HP
Gross Power - SAE J1995 456HP
Net Power - SAE J1349 373HP
Peak Power Speed 1600
Peak Torque - 1,200 rpm - SAE J1995 1778ft·lbf
Rated Speed 2000
Stroke 6.75in
Torque Rise 16%
Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match - High Lift 772/773/775
Operating Weight 116858lb
Rated Payload - Quarry Face 12.5ton (US)
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8mile/h
Direct Drive - Forward 3 14mile/h
Direct Drive - Forward 4 24mile/h
Direct Drive - Reverse 1 Lock-up disabled
Direct Drive - Reverse 2 9mile/h
Direct Drive - Reverse 3 16mile/h
Direct Drive - Reverse 4 25.4mile/h
Forward - 1 5mile/h
Forward - 2 8mile/h
Reverse - 1 5mile/h
Reverse - 2 8mile/h
Transmission Type Cat planetary power shift
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)
Lift/Tilt System 2X x 145 cc Variable displacement piston
Lift/Tilt System - Circuit EH - Load Sense
Maximum Flow at 2,165 rpm 159gal/min
Pilot System Variable displacement piston
Relief Valve Setting - Lift/Tilt 4598psi
Tilt Cylinder - Stroke 27in
Dump 3s
Lower Float Down 4.6s
Rack Back 3.8s
Raise 7.5s
Total Hydraulic Cycle Time - Empty Bucket 18.9s
Maximum Flow 52gal (US)
Relief Valve Setting - Steering 4000psi
Steering Cycle Times - High Idle 3s
Steering Cycle Times - Low Idle 5.2s
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 70°
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.
Front Fixed
Oscillation Angle +/-12.5°
Rear Trunnion
Brakes ISO 3450:2011
ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Cooling System 27gal (US)
Diesel Exhaust Fluid Tank 5.5gal (US)
Differential - Final Drives - Front 49gal (US)
Differential - Final Drives - Rear 45gal (US)
Engine Crankcase 9gal (US)
Fuel Tank 141gal (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
Transmission 20gal (US)
Machine Sound Level (ISO 6395) 110dB(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.
Operator Sound Level (ISO 6396) 72dB(A)
B-Pin Height - Maximum Lift 18.7ft
Clearance at Maximum Lift 12ft
Front Axle Centerline to Bucket Tip 15.7ft
Ground to Lower Hitch Clearance 1.5ft
Ground to Top of Exhaust Stacks 13.3ft
Ground to Top of Hood 10.7ft
Ground to Top of ROPS 13.5ft
Maximum Overall Height - Bucket Raised 25ft
Maximum Overall Length 39.5ft
Note Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.
Reach - Maximum Lift 7.7ft
Rear Axle - Centerline to Bumper 10.3ft
Wheel Base 12.5ft
Bucket Capacities 6.4-7.6 m3 (8.3-10 yd3)
Recyclability 96%
Standard and optional equipment may vary. Consult your Cat dealer for details.
Alarm, back-up
Alternator, single 145 amp
Batteries, dry
Converter, 10/15 amp, 24V to 12V
Lighting system (LED, work lights, access and service platform lighting)
Starting and charging system, 24V
Starter emergency start receptacle
Transmission lockout in bumper
Hazardous voltage lamp
Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
Air conditioner
Cat Vision, rear vision camera system
Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12‑volt 5-amp) and power port
Controls, lift and tilt function
Heater, defroster
Horn, electric
Instrumentation, gauges
– Coolant temperature
– Engine hour meter
– Hydraulic oil temperature
– Power train oil temperature
Light, cab, dome
Lunchbox, beverage holders
CB radio-ready
Mirrors, rearview (externally mounted)
Seat, Cat Comfort Cloth, air suspension, six-way adjustable
Seat belt minder
Seat belt, retractable, 76 mm (3 in) wide
STIC Control System
UV glass
Virtual gear indicator
Wet-Arm wipers/washers (front and rear)
– Intermittent front and rear wipers
Lights, directional
Brakes, oil-cooled, multi-disc, service/secondary
Case drain screens
Electro hydraulic parking brake
Engine, C15 MEUI diesel, turbocharged/aftercooled
Ground level engine shutoff
Turbine precleaner, engine air intake
Starting aid, ether, automatic
Throttle lock, electronic
Manual switch and automatic fuel priming
Cat Production Measurement ready
Cat SR Generator/Pump Drive
Cat SR Drive Motor
Cat Integrated Powered Electronics
Automatic retarding controls
Automatic bucket lift kickout/positioner
Base machine price includes a rim allowance
Hydraulically driven demand fan
Couplings, Cat O-ring face seals
Doors, service access (locking)
Ecology drains for engine, radiator, hydraulic tank
Fuel tank, 535 L (141 gal)
Hoses, Cat XT™
Hydraulic, steering and brake filtration/screening system
Cat Clean Emission Module
Oil sampling valves
Premixed 50 percent concentration of extended life coolant with freeze protection to –34° C (–29° F)
Rear access to cab and service platform
Steering, load sensing
Toe kicks
Vandalism protection caplocks
Standard and optional equipment may vary. Consult your Cat dealer for details.
High ambient cooling – software
Optional Cat Production Measurement
Optional Engine brake
Crankcase guard
Cab precleaner
Cat Detect, object detection system
AM/FM radio
Front and rear roading fenders
Cold Weather Starting
Autolube
