988 GC Wheel Loader

PROVEN RELIABILITY

LONG TERM VALUE AND DURABILITY

ACHIEVE GREATER PRODUCTIVITY

POWERFUL EFFICIENCY

PRODUCTIVITY WITH TECHNOLOGY

SAFETY FIRST

SAVE ON SERVICE AND MAINTENANCE

OPERATOR COMFORT AND CONTROL

SUSTAINABILITY

Engine
Engine Model Cat® C15
Rated Speed 2000 rpm
Peak Power Speed 1600 rpm
Gross Power - SAE J1995:2014 340 kW (456 hp)
Net Power - SAE J1349:2011 334 kW (448 hp)
Bore 137 mm (5.4 in)
Stroke 171.5 mm (6.75 in)
Displacement 15.2 l (927 inu00b3)
Peak Torque (1,200 rpm) - SAE J1995:2014 2411 N·m (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.
Note (3) Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions.
Operating Specifications
Operating Weight 50996 kg (112426 lb)
Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3)
Rated Payload - Quarry Face 11.3 t (12.5 ton (US))
Cat Truck Match - High Lift 772/773/775
Transmission
Transmission Type Cat planetary power shift
Forward - 1 7.3 km/h (5 mile/h)
Forward - 2 12.2 km/h (8 mile/h)
Reverse - 1 7.6 km/h (5 mile/h)
Reverse - 2 13.6 km/h (8 mile/h)
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 12.7 km/h (8 mile/h)
Direct Drive - Forward 3 22 km/h (14 mile/h)
Direct Drive - Forward 4 39 km/h (24 mile/h)
Direct Drive - Reverse 1 Lock-up disabled
Direct Drive - Reverse 2 14.1 km/h (9 mile/h)
Direct Drive - Reverse 3 25 km/h (16 mile/h)
Direct Drive - Reverse 4 40.8 km/h (25.4 mile/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 600 L/min (159 gpm)
Relief Valve Setting - Lift/Tilt 31700 kPa (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 3450 kPa (500 psi)
Hydraulic Cycle Times
Rack Back 3.8 s (3.8 s)
Raise 7.5 s (7.5 s)
Dump 3 s (3 s)
Lower Float Down 4.6 s (4.6 s)
Total Hydraulic Cycle Time - Empty Bucket 18.9 s (18.9 s)
Hydraulic System - Steering
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Maximum Flow at 2,165 rpm 200 L/min (52 gpm)
Relief Valve Setting - Steering 27600 kPa (4000 psi)
Total Steering Angle 70u00b0
Steering Cycle Times - High Idle 3 s (3 s)
Steering Cycle Times - Low Idle 5.2 s (5.2 s)
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 contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).
Axles
Front Fixed
Rear Trunnion
Oscillation Angle +/-12.5u00b0
Brakes
Brakes ISOu00a03450:2011
Operator's Cab
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
Operator Sound Pressure Level (ISO 6396:2008) 73 dB(A) (73 dB(A))
Machine Sound Power Level (ISO 6395:2008) 113 dB(A) (113 dB(A))
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) (72 dB(A))
Machine Sound Power Level (ISO 6395:2008)** 110 dB(A) (110 dB(A))
Note (1) * For machines in European Union countries and in countries that adopt the u201cEU Directivesu201d and u201cUK Directives.u201d
Note (2) ** European Union Directive u201c2000/14/ECu201d as amended by u201c2005/88/ECu201d 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) 74 dB(A) (74 dB(A))
Machine Sound Power Level (ISO 6395:2008) 113 dB(A) (113 dB(A))
Operator Sound Pressure Level (ISO 6396:2008)* 73 dB(A) (73 dB(A))
Machine Sound Power Level (ISO 6395:2008)** 110 dB(A) (110 dB(A))
Note (1) * For machines in European Union countries and in countries that adopt the u201cEU Directivesu201d and u201cUK Directives.u201d
Note (2) ** European Union Directive u201c2000/14/ECu201d as amended by u201c2005/88/ECu201d 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 535 l (141 gal (US))
Cooling System 101 l (27 gal (US))
Engine Crankcase 34 l (9 gal (US))
Diesel Exhaust Fluid Tank 21 l (5.5 gal (US))
Transmission 75 l (20 gal (US))
Differential - Final Drives - Front 186 l (49 gal (US))
Differential - Final Drives - Rear 170 l (45 gal (US))
Hydraulic System Factory Fill 355 l (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 u201cCaterpillar Machine Fluids Recommendationsu201d (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
Ground to Top of ROPS 4100 mm (13.5 ft)
Ground to Top of Exhaust Stacks 4060 mm (13.3 ft)
Ground to Top of Hood 3270 mm (10.7 ft)
Ground to Fuel Tank Clearance 686 mm (2.2 ft)
Rear Axle - Centerline to Bumper 3132 mm (10.3 ft)
Front Axle Centerline to Bucket Tip 5100 mm (16.7 ft)
Wheel Base 3810 mm (12.5 ft)
Maximum Overall Length 12042 mm (39.5 ft)
Ground to Lower Hitch Clearance 459 mm (1.5 ft)
Ground to Center of Front Axle 978 mm (3.2 ft)
Clearance at Maximum Lift (45u00b0 Dump) 3732 mm (12 ft)
B-Pin Height - Maximum Lift 5755 mm (18.7 ft)
Maximum Overall Height - Bucket Raised 7582 mm (25 ft)
Reach at Maximum Lift (45u00b0 Dump) 2342 mm (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

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