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988 Wheel Loader

988 Wheel Loader

An industry leaderā€”made better

More Comfort ā€“ More Performance ā€“ More Versatility

  • UP TO 41% BETTER FUEL EFFICIENCY

    Utilizing Economy Mode helps save on fuel all while maintaining productivity

  • UP TO 10% LOWER MAINTENANCE COST

    Make regular maintenance more convenient with grouped service points

  • UP TO 10% MORE PRODUCTIVITY

    Deliver more productivity in most truck loading applications while using performance series buckets with increased capacities

  • UP TO 19% LESS CO2 EMISSIONS

    The 988 emits up to 19% less CO2 than the previous 988H.

Engine

Bore 5.7 in
Displacement 1105 inĀ³
Emissions U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Engine Model CatĀ® C18 ā„¢
Engine Power - ISO 14396 580 HP
Gross Power - SAE J1995 588 HP
Net Power - SAE J1349 541 HP
Peak Power Speed 1500/rpm
Peak Torque - 1,200 rpm 2230 lb/ft
Rated Speed 1700/min
Stroke 7.2 in
Torque Rise 58 %

Operating Specifications

Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3)
Cat Truck Match - High Lift 773ļ½ž775
Cat Truck Match - Standard 770ļ½ž772
Operating Weight 112574 lb
Rated Payload - Loose Material 16 t
Rated Payload - Quarry Face 12.5 t

Transmission

Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 7.8 mile/h
Direct Drive - Forward 3 13.9 mile/h
Direct Drive - Forward 4 24.4 mile/h
Direct Drive - Reverse 1 5 mile/h
Direct Drive - Reverse 2 8.9 mile/h
Direct Drive - Reverse 3 15.8 mile/h
Forward - 1 4 mile/h
Forward - 2 7.2 mile/h
Forward - 3 12.7 mile/h
Forward - 4 21.6 mile/h
Reverse - 1 4.7 mile/h
Reverse - 2 8.3 mile/h
Reverse - 3 14.4 mile/h
Transmission Type Cat planetary powershift

Hydraulic System - Lift/Tilt

Cylinders, Double Acting - Lift, Bore and Stroke 210 mm Ɨ 1050 mm (8.7 in Ɨ 41.3 in)
Cylinders, Double Acting - Tilt, Bore and Stroke 269 mm Ɨ 685 mm (8.7 in Ɨ 27 in)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing
Maximum Flow at 1,400-1,860 rpm 153 gal/min
Pilot System Variable displacement piston
Relief Valve Setting - Lift/Tilt 4757 psi
Relief Valve Setting - Main 551 psi

Hydraulic Cycle Time (1,400-1,860 rpm)

Dump 2.2 s
Lower Float Down 3.5 s
Rack Back 4.5 s
Raise 8 s
Total Hydraulic Cycle Time - Empty Bucket 18.2 s

Hydraulic System - Steering

Maximum Flow 71.3 gal/min
Relief Valve Setting - Steering 4351 psi
Steering Cycle Times - High Idle 3.4 s
Steering Cycle Times - Low Idle 5.6 s
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 86 Ā°

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
Oscillation Angle 13 Ā°
Rear Trunnion

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

Coolant (Validated by Test Cell Fill Quantities) 33 gal (US)
Cooling System 31.7 gal (US)
Crankcase 15.9 gal (US)
Diesel Exhaust Fluid Tank 8.7 gal (US)
Differential - Final Drives - Front 49.1 gal (US)
Differential - Final Drives - Rear 49.1 gal (US)
Fuel Tank 188 gal (US)
Hydraulic System - Tank Only 63.4 gal (US)
Hydraulic System Factory Fill 125.5 gal (US)
Transmission 31.7 gal (US)
Transmission - Validated by Test Cell Fill Quantities 29 gal (US)

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

Machine Sound Level (ISO 6395) 111 dB(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.
Operator Sound Level (ISO 6396) 72 dB(A)

Dimensions (Approximate) - Standard Lift Linkage

B-Pin Height - Maximum Lift 18 ft
Clearance at Maximum Lift 11.9 ft
Front Axle Centerline to Bucket Tip 14 ft
Ground to Lower Hitch Clearance 1.9 ft
Ground to Top of Exhaust Stacks 14.8 ft
Ground to Top of Hood 10.9 ft
Ground to Top of ROPS 13.8 ft
Maximum Overall Height - Bucket Raised 24.5 ft
Maximum Overall Length 39.3 ft
Reach - Maximum Lift 6.5 ft
Rear Axle - Centerline to Bumper 10.5 ft
Wheel Base 14.9 ft

Dimensions (Approximate) - High Lift Linkage

B-Pin Height - Maximum Lift 19.3 ft
Clearance at Maximum Lift 13.3 ft
Front Axle Centerline to Bucket Tip 15.3 ft
Ground to Lower Hitch Clearance 1.9 ft
Ground to Top of Exhaust Stacks 14.8 ft
Ground to Top of Hood 10.9 ft
Ground to Top of ROPS 13.8 ft
Maximum Overall Height - Bucket Raised 25.8 ft
Maximum Overall Length 40.7 ft
Reach - Maximum Lift 6.8 ft
Rear Axle - Centerline to Bumper 10.5 ft
Wheel Base 14.9 ft

Buckets

Bucket Capacities 4.7-13 m3 (6.2-17 yd3)

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