988 GC Wheel Loader

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

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Operating Weight112426lb

Bucket Capacity Range6.4-7.6 m3 (8.3-10 yd3)

Rated Payload - Quarry Face12.5ton (US)

Cat Truck Match - High Lift772/773/775

Engine ModelCat® C15

Rated Speed2000 rpm

Peak Power Speed1600 rpm

Gross Power - SAE J1995:2014456hp

Net Power - SAE J1349:2011448hp

Bore5.4in

Stroke6.75in

Displacement927in³

Peak Torque (1,200 rpm) - SAE J1995:20141778lbf·ft

Torque Rise16%

Note (1)Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Note (2)Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Note (3)Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions.

Transmission TypeCat planetary power shift

Forward - 15mile/h

Forward - 28mile/h

Reverse - 15mile/h

Reverse - 28mile/h

Direct Drive - Forward 1Lock-up disabled

Direct Drive - Forward 28mile/h

Direct Drive - Forward 314mile/h

Direct Drive - Forward 424mile/h

Direct Drive - Reverse 1Lock-up disabled

Direct Drive - Reverse 29mile/h

Direct Drive - Reverse 316mile/h

Direct Drive - Reverse 425.4mile/h

NoteTravel speeds based on 35/65-R33 tires.

Lift/Tilt System - CircuitEH - Load Sense

Lift/Tilt System - PumpVariable displacement piston

Maximum Flow at 2,165 rpm159gal/min

Relief Valve Setting - Lift/Tilt4598psi

Cylinders, Double Acting - Lift, Bore and Stroke190 mm x 1216 mm (7.5 in x 48 in)

Cylinders, Double Acting - Tilt, Bore and Stroke170 mm x 722 mm (6.7 in x 28.4 in)

Pilot SystemVariable displacement piston

Relief Valve Setting500psi

Rack Back3.8s

Raise7.5s

Dump3s

Lower Float Down4.6s

Total Hydraulic Cycle Time - Empty Bucket18.9s

Steering System - CircuitPilot, load sensing

Steering System - PumpPiston, variable displacement

Maximum Flow at 2,165 rpm52gal/min

Relief Valve Setting - Steering4000psi

Total Steering Angle70°

Steering Cycle Times - High Idle3s

Steering Cycle Times - Low Idle5.2s

Air ConditioningThe air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system co

FrontFixed

RearTrunnion

Oscillation Angle+/-12.5°

BrakesISO 3450:2011

ROPS/FOPSRollover Protective Structure/Falling Objects Protective Structure (ROPS/FOPS) meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Operator Sound Pressure Level (ISO 6396:2008)73dB(A)

Machine Sound Power Level (ISO 6395:2008)113dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*72dB(A)

Machine Sound Power Level (ISO 6395:2008)**110dB(A)

Note (1)* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”

Note (2)** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.

Note (3)The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)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.

Operator Sound Pressure Level (ISO 6396:2008)74dB(A)

Machine Sound Power Level (ISO 6395:2008)113dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*73dB(A)

Machine Sound Power Level (ISO 6395:2008)**110dB(A)

Note (1)* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”

Note (2)** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.

Note (3)The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)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.

Fuel Tank141gal (US)

Cooling System27gal (US)

Engine Crankcase9gal (US)

Diesel Exhaust Fluid Tank5.5gal (US)

Transmission20gal (US)

Differential - Final Drives - Front49gal (US)

Differential - Final Drives - Rear45gal (US)

Hydraulic System Factory Fill94gal (US)

NoteCat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: - 20% biodiesel FAME (fatty acid methyl ester) *** - 10

Ground to Top of ROPS13.5ft

Ground to Top of Exhaust Stacks13.3ft

Ground to Top of Hood10.7ft

Ground to Fuel Tank Clearance2.2ft

Rear Axle - Centerline to Bumper10.3ft

Front Axle Centerline to Bucket Tip16.7ft

Wheel Base12.5ft

Maximum Overall Length39.5ft

Ground to Lower Hitch Clearance1.5ft

Ground to Center of Front Axle3.2ft

Clearance at Maximum Lift (45° Dump)12ft

B-Pin Height - Maximum Lift18.7ft

Maximum Overall Height - Bucket Raised25ft

Reach at Maximum Lift (45° Dump)7.7ft

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

Standard

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

Optional

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

Standard

Alarm, back-up

Alternator, single 145 amp

Batteries, maintenance free

Converter, 10/15 amp, 24V to 12V

Lighting system (LED, work lights, access and service platform lighting)

Starting and charging system, 24V

Auxiliary jump start receptacle

Standard

Cab precleaner

Lights, LED

AM/FM radio

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/falling objects 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
– Powertrain oil temperature

Light, cab, dome

Lunchbox, beverage holders

Mirrors, rearview (externally mounted)

Seat, Cat Comfort Cloth, air suspension, six-way adjustable

Seat belt minder

Seat belt, retractable, 76 mm (3 in) wide

Steering and Transmission Integrated Control (STIC) system

UV glass

Transmission gear indicator

Wet-Arm wipers/washers (front and rear)
– Intermittent front and rear wipers

Lights, directional

Cat Production Measurement ready

Optional

Cat Production Measurement

CB radio-ready

Cat Detect, object detection system

Standard

Brakes, oil-cooled, multi-disc, service/secondary

Case drain screens

Electro hydraulic parking brake

Engine, C15 MEUI diesel, turbocharged/aftercooled

Ground level emergency engine shutdown switch

Turbine precleaner, engine air intake

Manual switch and automatic fuel priming

Torque converter, neutralizer

Transmission, planetary power shift, 4F/4R electronic control

Cat Integrated Powered Electronics

Automatic retarding controls

Crankcase guard

Optional

High ambient cooling – software

Starting aid, ether, automatic

Antifreeze -50°C (-58°F)

Standard

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

Optional

Front and rear roading fenders

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