Caterpillar 988K Block Handler Arrangement

Specifications of Caterpillar 988K Block Handler Arrangement

Engine

• Bore 145.0 mm
• Displacement 18.1 L
• Emissions U.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent
• Engine Model Cat® C18 ACERT™
• Gross (ISO 14396) 432.0 kW
• Net Power 403.0 kW
• Net Power – SAE J1349 403.0 kW
• Peak Power Speed 1500.0 RPM
• Peak Power Speed: Gross – ISO 14396 432.0 kW
• Peak Power Speed: Gross – SAE J1995 439.0 kW
• Peak Power Speed: Net Power – SAE J1349 403.0 kW
• Peak Torque @ 1,200 rpm 2852.0 N·m
• Rated Speed 1700.0 RPM
• Stroke 183.0 mm
• Torque Rise 58.0 %

Transmission

• Direct Drive Forward 1 Lock-up disabled
• Direct Drive Forward 2 10.8 km/h
• Direct Drive Forward 3 19.2 km/h
• Direct Drive Forward 4 34.0 km/h
• Direct Drive Reverse 1 6.9 km/h
• Direct Drive Reverse 2 12.4 km/h
• Direct Drive Reverse 3 22.0 km/h
• Forward 1 5.8 km/h
• Forward 2 10.3 km/h
• Forward 3 18.3 km/h
• Forward 4 30.5 km/h
• Reverse 1 6.6 km/h
• Reverse 2 11.8 km/h
• Reverse 3 11.8 km/h
• Transmission Type Cat planetary power shift

Service Refill Capacities

• Cooling System 120.0 L
• Crankcase 60.0 L
• Diesel Exhaust Fluid Tank (Tier 4) 33.0 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) 475.0 L
• Hydraulic System (tank only) 240.0 L
• Transmission 240.0 L

Operating Specifications

• Operating Weight 61508.0 kg

Axles

• Front Fixed
• Oscillating Rear 13.0 Degrees
• Rear Trunnion

Brakes

• Brakes SAE J1473 OCT90, ISO 3450:1992

Sound Performance

• Exterior Sound Level 109.0 dB(A)
• Interior Sound Level 70.0 dB(A)

HYDRAULIC SYSTEM - LIFT/TILT

• Lift/Tilt System – Circuit Pilot operated – EH control, flow sharing
• Maximum Flow @ 1,700 rpm 52.0 L/min
• Maximum Flow at 1,400-1,860 rpm 580.0 L/min
• Pilot System Variable displacement piston
• Relief Valve Setting 3800.0 kPa
• Relief Valve Setting – Lift/Tilt 32800.0 kPa
• Cylinders, Double Acting: Lift, Bore and Stroke 235 mm × 976 mm (9.3 in × 38.4 in)
• Cylinders, Double Acting: Tilt, Bore and Stroke 291 mm × 671 mm (11.5 in × 26.4 in)
• Lift/Tilt System Variable displacement piston

HYDRAULIC SYSTEM - STEERING

• Maximum Flow 280.0 L/min
• Relief Valve Setting – Steering 32000.0 kPa
• Steering Cycle Time (high idle) 3.4 Seconds
• Steering Cycle Time (low idle) 5.6 Seconds
• Steering System – Circuit Pilot, load sensing
• Steering System – Pump Piston, variable displacement
• Total Steering Angle 86.0 Degrees

SOUND PERFORMANCE - STANDARD

• Exterior Sound Level 111.0 dB(A)
• Interior Sound Level 71.0 dB(A)

Hydraulic Cycle Time

• Dump 2.2 Seconds
• Lower Float Down 3.5 Seconds
• Rack back 4.5 Seconds
• Raise 8.0 Seconds
• Total Hydraulic Cycle Time (empty bucket) 18.2 Seconds