Caterpillar 988H Large Wheel Loaders

Specifications of Caterpillar 988H Large Wheel Loaders

Engine

• Bore 145.0 mm
• Displacement 18.1 L
• Engine Model Cat® C18 ACERT®
• Gross Power 414.0 kW
• Gross Power – ISO 3046-2 388.0 kW
• Net Power 373.0 kW
• Net Power – EEC 80/1269 373.0 kW
• Net Power – ISO 9249 373.0 kW
• Net Power ISO 14396 397.0 kW
• Stroke 183.0 mm

Transmission

• Converter Drive – Forward 1 6.7 km/h
• Converter Drive – Forward 2 11.8 km/h
• Converter Drive – Forward 3 20.8 km/h
• Converter Drive – Forward 4 36.0 km/h
• Converter Drive – Reverse 1 7.6 km/h
• Converter Drive – Reverse 2 13.5 km/h
• Direct Drive – Forward 1 Lock-up disables
• Direct Drive – Forward 2 12.3 km/h
• Direct Drive – Forward 3 21.9 km/h
• Direct Drive – Forward 4 38.6 km/h
• Direct Drive – Reverse 1 7.9 km/h
• Direct Drive – Reverse 2 14.1 km/h
• Direct Drive – Reverse 3 25.1 km/h

Service Refill Capacities

• Cooling System 103.0 L
• Crankcase 60.0 L
• Differentials and Final Drives – Front 186.0 L
• Differentials and Final Drives – Rear 186.0 L
• Fuel Tank 712.0 L
• Hydraulic System (factory fill) 470.0 L
• Hydraulic System (tank only) 267.0 L
• Transmission 70.0 L

Steering

• Steering Meets SAE and ISO standards
• Total Steering Angle 86.0 Degrees

Operating Specifications

• Operating Weight 50144.0 kg
• Rated Payload 11.4 tonnes

Dimensions

• B-Pin Height 5853.0 mm
• Bucket Capacities 6.4 m3-7.7 m3 8.3 yd3-10 yd3
• Center Line of Front Axle to Hitch 2275.0 mm
• Center Line of Rear Axle to Edge of Rear Bumper 3132.0 mm
• Clearance at Maximum Lift/Dump 3879.0 mm
• C-Pin Height 1009.0 mm
• Dig Depth 226.0 mm
• Ground Clearance 549.0 mm
• Height to Spillguard 5432.0 mm
• Height to Top of Air Cleaner 3382.0 mm
• Height to Top of Cab 4128.0 mm
• Height to Top of Exhaust Stacks 4112.0 mm
• Height to Top of Hood 3156.0 mm
• Max. Bucket Capacity 7.7 m3
• Rack Back Angle at Carry 56.5 Degrees
• Rack Back Angle at Ground 47.8 Degrees
• Rack Back Angle at Maximum Lift 45.0 Degrees
• Wheel Base Length 4550.0 mm

Axles

• Front Fixed
• Maximum Single-Wheel Rise and Fall 568.0 mm
• Rear Oscillating ±13°

Brakes

• Brakes Meet SAE ISO 3450:1996

Cab

• Cab – ROPS/FOPS Meets SAE and ISO standards
• Sound Performance Meets ANSI, SAE and ISO standards

Loader Hydraulic System

• Cylinder, Double Acting: Tilt, Bore and Stroke 220 × 911 mm 8.7 × 35.9 in
• Cylinders, Double Acting: Lift, Bore and Stroke 220 × 1770 mm 8.7 × 69.7
• Main Hydraulic System Output at 2010 rpm and 6900 kPa (1000 psi) 492.0 L/min
• Pilot System, Gear-Type Pump Output at 2010 rpm and 2500 kPa (363 psi) 76.0 L/min
• Relief Valve Setting 35000.0 kPa
• Relief Valve Setting (low idle) 2400.0 kPa

Hydraulic Cycle Time

• Dump 2.4 Seconds
• Lower Float Down (Empty) 3.8 Seconds
• Raise 9.4 Seconds
• Total Hydraulic Cycle Time 15.6 Seconds