988 GC Wheel Loader

This unit includes a general purpose bucket, maintenance package, connectivity, remote monitoring of the machine and your own team of product experts from Holt of California

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.

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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
  • –50° C (–58° F) antifreeze
  • Engine oil change system, high speed, Wiggins
  • Engine block heater 120V or 240V
  • High ambient cooling – software
  • Cat Production Measurement
  • Engine brake, SEA
  • Crankcase guard
Other Optional Configurations
  • Load and Carry
  • Millyard
Operator Environment
  • Cab precleaner
  • Cat Detect, object detection system
  • AM/FM radio
  • Satellite Sirius radio with Bluetooth®
Additional Equipment
  • Front and rear roading fenders
  • Cold Weather Starting
  • Wheel Chocks
  • Autodig features, Auto Set Tires & Lift Stall Prevention
  • Autodig feature, Tire Slip Prevention
  • EZ Clean cooling system
  • Load and Carry Counterweight
  • Tire Pressure Monitoring System
  • Autolube with Auto shutoff
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