988 GC Wheel Loader

Product description

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.

Engine
  • Engine Power - ISO 14396: 2002 - 449hp
  • Engine Model - Cat® C15
  • Rated Speed - 2000 rpm
  • Peak Power Speed - 1600 rpm
  • Gross Power - SAE J1995:2014 - 456hp
  • Net Power - SAE J1349:2011 - 373hp
  • Bore - 5.4in
  • Stroke - 6.75in
  • Displacement - 927in³
  • Peak Torque - 1,200 rpm - SAE J1995 - 1778ft·lbf
  • 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
  • Operating Weight - 112426lb
  • Bucket Capacity Range - 6.4-7.6 m3 (8.3-10 yd3)
  • Rated Payload - Quarry Face - 12.5ton (US)
  • Cat Truck Match - High Lift - 772/773/775
Transmission
  • Transmission Type - Cat planetary power shift
  • Forward - 1 - 5mile/h
  • Forward - 2 - 8mile/h
  • Reverse - 1 - 5mile/h
  • Reverse - 2 - 8mile/h
  • 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
  • Note - Travel speeds based on 35/65-R33 tires.
Hydraulic System - Lift/Tilt
  • Lift/Tilt System - Circuit - EH - Load Sense
  • Lift/Tilt System - Pump - Variable displacement piston
  • Maximum Flow at 2,165 rpm - 159gal/min
  • Relief Valve Setting - Lift/Tilt - 4598psi
  • 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
Hydraulic Cycle Times
  • Rack Back - 3.8s
  • Raise - 7.5s
  • Dump - 3s
  • Lower Float Down - 4.6s
  • Total Hydraulic Cycle Time - Empty Bucket - 18.9s
Hydraulic System - Steering
  • Steering System - Circuit - Pilot, load sensing
  • Steering System - Pump - Piston, variable displacement
  • Maximum Flow - 52gal (US)
  • Relief Valve Setting - Steering - 4000psi
  • Total Steering Angle - 70°
  • Steering Cycle Times - High Idle - 3s
  • Steering Cycle Times - Low Idle - 5.2s
Air Conditioning System
  • 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 co
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
Sound Performance - Tier 4 Final / Stage V
  • 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.
Sound Performance - Tier 3 / Stage IIIA
  • 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.
Service Refill Capacities
  • Fuel Tank - 141gal (US)
  • Cooling System - 27gal (US)
  • Engine Crankcase - 9gal (US)
  • Diesel Exhaust Fluid Tank - 5.5gal (US)
  • Transmission - 20gal (US)
  • Differential - Final Drives - Front - 49gal (US)
  • Differential - Final Drives - Rear - 45gal (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) ***  10
Dimensions (Approximate) - High Lift
  • Ground to Top of ROPS - 13.5ft
  • Ground to Top of Exhaust Stacks - 13.3ft
  • Ground to Top of Hood - 10.7ft
  • Rear Axle - Centerline to Bumper - 10.3ft
  • Front Axle Centerline to Bucket Tip - 15.7ft
  • Wheel Base - 12.5ft
  • Maximum Overall Length - 39.5ft
  • Ground to Lower Hitch Clearance - 1.5ft
  • Clearance at Maximum Lift - 12ft
  • B-Pin Height - Maximum Lift - 18.7ft
  • Maximum Overall Height - Bucket Raised - 25ft
  • Reach - Maximum Lift - 7.7ft
  • 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
    • 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
    • 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 engine shutdown switch
    • Turbine precleaner, engine air intake
    • Starting aid, ether, automatic
    • Throttle lock, electronic
    • 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
    • Engine block heater 120V or 240V
    • Antifreeze -50°C (-58°F)
  • Operator Environment
    • Cat Production Measurement
    • Cat Detect, object detection system
  • Additional Equipment
    • Front and rear roading fenders
    • Cold Weather Starting
    • Tire Pressure Monitoring System
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