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988 GC Wheel Loader

988 GC Wheel Loader

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

Engine Model

Cat® C15

Rated Speed

2000

Peak Power Speed

1600

Engine Power - ISO 14396

449hp

Gross Power - SAE J1995

456hp

Net Power - SAE J1349

373hp

Emissions

U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014

Bore

5.4in

Stroke

6.75in

Displacement

927in³

Peak Torque - 1,200 rpm - SAE J1995

1778ft·lbf

Torque Rise

16%

Operating Specifications

Operating Weight

116858lb

Rated Payload - Quarry Face

12.5ton (US)

Bucket Capacity Range

6.4-7.6 m3 (8.3-10 yd3)

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

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit

EH - Load Sense

Lift/Tilt System

2X x 145 cc 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

Tilt Cylinder - Stroke

27in

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 (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

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

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 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

Sound Performance - Tier 4 Final/EU Stage V - Standard

Operator Sound Level (ISO 6396)

72dB(A)

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.

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.

Buckets

Bucket Capacities

6.4-7.6 m3 (8.3-10 yd3)

Sustainability

Recyclability

96%

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Electrical
    • 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
  • Operator Environment
    • 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
  • Power Train
    • 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
  • 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.
  • Power Train
    • High ambient cooling – software
    • Optional Cat Production Measurement
    • Optional Engine brake
    • Crankcase guard
  • Operator Environment
    • Cab precleaner
    • Cat Detect, object detection system
    • AM/FM radio
  • Additional Equipment
    • Front and rear roading fenders
    • Cold Weather Starting
    • Autolube

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