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.
Caterpillar
988 GC Wheel Loader
Overview
Photos
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988 GC Large Wheel Loader -
988 GC Large Wheel Loader -
988 GC Large Wheel Loader -
988 GC Large Wheel Loader -
988 GC Large Wheel Loader -
988 GC Large Wheel Loader
Videos
360° View
Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Interior
360° Interior view. Double click on the image to zoom in on any area of the product.
Showroom
Virtual Product Tour. Double click on the hotspots to see in on any area of the product.
Specifications
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Engine
Spec Value Engine Model Cat® C15 Rated Speed 2000 rpm Peak Power Speed 1600 rpm Gross Power - SAE J1995:2014 456 hp Net Power - SAE J1349:2011 373 hp Bore 5.4 in Stroke 6.75 in Displacement 927 in³ Peak Torque (1,200 rpm) - SAE J1995:2014 1778 lbf·ft Torque Rise 16% 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. -
Operating Specifications
Spec Value Operating Weight 112426 lb Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3) Rated Payload - Quarry Face 12.5 ton (US) Cat Truck Match - High Lift 772/773/775 -
Transmission
Spec Value 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 Note Travel speeds based on 35/65-R33 tires. -
Hydraulic System - Lift/Tilt
Spec Value Lift/Tilt System - Circuit EH - Load Sense Lift/Tilt System - Pump 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 Relief Valve Setting 500 psi -
Hydraulic Cycle Times
Spec Value 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
Spec Value Steering System - Circuit Pilot, load sensing Steering System - Pump Piston, variable displacement Maximum Flow at 2,165 rpm 52 gal/min 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
Spec Value Air Conditioning The 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 contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons). -
Axles
Spec Value Front Fixed Rear Trunnion Oscillation Angle +/-12.5° -
Brakes
Spec Value Brakes ISO 3450:2011 -
Operator's Cab
Spec Value ROPS/FOPS Rollover Protective Structure/Falling Objects Protective Structure (ROPS/FOPS) meet ISO 3471:2008 and ISO 3449:2005 Level II standards -
Sound Performance - Tier 4 Final / Stage V
Spec Value Operator Sound Pressure Level (ISO 6396:2008) 73 dB(A) Machine Sound Power Level (ISO 6395:2008) 113 dB(A) Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) Machine Sound Power Level (ISO 6395:2008)** 110 dB(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. -
Sound Performance - Tier 3 / Stage IIIA
Spec Value Operator Sound Pressure Level (ISO 6396:2008) 74 dB(A) Machine Sound Power Level (ISO 6395:2008) 113 dB(A) Operator Sound Pressure Level (ISO 6396:2008)* 73 dB(A) Machine Sound Power Level (ISO 6395:2008)** 110 dB(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. -
Service Refill Capacities
Spec Value 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) Hydraulic System Factory Fill 94 gal (US) Note Cat 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) *** - 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). -
Dimensions (Approximate) - High Lift
Spec Value 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 Ground to Fuel Tank Clearance 2.2 ft Rear Axle - Centerline to Bumper 10.3 ft Front Axle Centerline to Bucket Tip 16.7 ft Wheel Base 12.5 ft Maximum Overall Length 39.5 ft Ground to Lower Hitch Clearance 1.5 ft Ground to Center of Front Axle 3.2 ft Clearance at Maximum Lift (45° Dump) 12 ft B-Pin Height - Maximum Lift 18.7 ft Maximum Overall Height - Bucket Raised 25 ft Reach at Maximum Lift (45° Dump) 7.7 ft Note Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.
Standard Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL
- 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
OPERATOR ENVIRONMENT
- 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
POWERTRAIN
- 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
ADDITIONAL EQUIPMENT
- 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 Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
POWERTRAIN
- High ambient cooling – software
- Starting aid, ether, automatic
- Antifreeze -50°C (-58°F)
OPERATOR ENVIRONMENT
- Cat Production Measurement
- CB radio-ready
- Cat Detect, object detection system
ADDITIONAL EQUIPMENT
- Front and rear roading fenders