988 GC Wheel Loader

988 GC Wheel Loader

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Product description

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 14396:2002 - 449hp
Gross Power - SAE J1995:2014 - 456hp
Net Power - SAE J1349:2011 - 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