Caterpillar 988K Steel Mill Arrangement Large Wheel Loaders
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Key Specifications of Caterpillar 988K Steel Mill Arrangement Large Wheel Loaders Equipment
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Specifications of Caterpillar 988K Steel Mill Arrangement Large Wheel Loaders
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 1,500 rpm
- Peak Power Speed @ 1,500 rpm: Gross - ISO 14396 432.0 kW
- Peak Power Speed @ 1,500 rpm: Gross - SAE J1995 439.0 kW
- Peak Power Speed @ 1,500 rpm: Net Power - SAE J1349 403.0 kW
- Peak Torque @ 1,200 rpm 2852.0 N·m
- Rated Speed 1,700 rpm
- Stroke 183.0 mm
- Torque Rise 58.0 %
Transmission
- Direct Drive - Forward 1 Lock-up disabled
- Direct Drive - Forward 2 12.5 km/h
- Direct Drive - Forward 3 22.3 km/h
- Direct Drive - Forward 4 39.3 km/h
- Direct Drive - Reverse 1 8.0 km/h
- Direct Drive - Reverse 2 14.3 km/h
- Direct Drive - Reverse 3 25.5 km/h
- Forward 1 6.5 km/h
- Forward 2 11.6 km/h
- Forward 3 20.4 km/h
- Forward 4 34.7 km/h
- Reverse 1 7.5 km/h
- Reverse 2 13.3 km/h
- Reverse 3 23.2 km/h
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 (tank only) 240.0 L
- Hydraulic System Factory Fill 475.0 L
- Transmission 120.0 L
Operating Specifications
- Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3)
- Cat Truck Match - High Lift 773-775
- Cat Truck Match - Standard 770-772
- Operating Weight 51062.0 kg
- Rated Payload 11.3 tonnes
- Rated Payload - High Lift 11.3 tonnes
- Rated Payload - Standard 11.3 tonnes
Axles
- Front Fixed
- Oscillation Angle 13°
- Rear Trunnion
Brakes
- Brakes SAE J1473 OCT90, ISO 3450:1992
Buckets
- Bucket Capacities 6.4-7.6 m3 (8.3-10 yd3)
HYDRAULIC SYSTEM - LIFT/TILT
- Cylinders, Double Acting: Lift, Bore and Stroke 220 mm × 911 mm (8.7 in × 35.9 in)
- Cylinders, Double Acting: Tilt, Bore and Stroke 220 mm × 1621 mm (8.7 in × 63.8 in)
- Lift/Tilt System Variable displacement piston
- Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing
- Maximum Flow 52.0 L/min
- Maximum Flow at 1,400-1,860 rpm 580.0 L/min
- Pilot System Variable displacement piston
- Relief Valve Setting 4000.0 kPa
- Relief Valve Setting - Lift/Tilt 32000.0 kPa
HYDRAULIC SYSTEM - STEERING
- Maximum Flow 270.0 L/min
- Relief Valve Setting - Steering 30000.0 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
- Machine Sound Level (ISO 6395) 111.0 dB(A)
- Operator Sound Level (ISO 6396) 71.0 dB(A)
SOUND PERFORMANCE - SUPPRESSION
- Machine Sound Level (ISO 6395) 109.0 dB(A)
- Operator Sound Level (ISO 6396) 70.0 dB(A)
Hydraulic Cycle Time (1,400-1,860 rpm)
- Dump 2.2 Seconds
- Lower Float Down 3.5 Seconds
- Rackback 4.5 Seconds
- Raise 8.0 Seconds
- Total Hydraulic Cycle Time (empty bucket) 18.2 Seconds
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