Caterpillar-990K

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Caterpillar 990K Large Wheel Loaders

Variants

Specifications of Caterpillar 990K Large Wheel Loaders

Engine

  • Bore 137.2 mm
  • Displacement 27.03 L
  • Emissions U.S. EPA Tier 4 Final, Tier 2 Equivalent
  • Engine Model Cat® C27 ACERT™
  • Gross (ISO 14396) 561.0 kW
  • Net Power 521.0 kW
  • Net Power - SAE J1349 521.0 kW
  • Peak Torque @ 1,200 rpm 3557.0 N·m
  • Rated Speed 1,800 rpm
  • Rated Speed - Gross (ISO 14396) 561.0 kW
  • Rated Speed - Gross (SAE J1995) 571.0 kW
  • Rated Speed - Net Power - SAE J1349 (High Ambient) 483.0 kW
  • Rated Speed - Net Power - SAE J1349 (Standard Ambient) 521.0 kW
  • Stroke 152.4 mm
  • Torque Rise 18.0 %

Transmission

  • Direct Drive - Forward 1 Lock-up disabled
  • Direct Drive - Forward 2 13.7 km/h
  • Direct Drive - Forward 3 24.5 km/h
  • Direct Drive - Reverse 1 8.7 km/h
  • Direct Drive - Reverse 2 15.4 km/h
  • Direct Drive – Reverse 3 26.4 km/h
  • Forward 1 7.3 km/h
  • Forward 2 13.3 km/h
  • Forward 3 22.9 km/h
  • Reverse 1 7.9 km/h
  • Reverse 2 14.7 km/h
  • Reverse 3 24.9 km/h
  • Transmission Type Cat planetary power shift

Service Refill Capacities

  • Cooling System 208.0 L
  • Differentials and Final Drives - Front 271.0 L
  • Differentials and Final Drives - Rear 261.0 L
  • Engine Crankcase 75.7 L
  • Fuel Tank 1114.0 L
  • Hydraulic System Factory Fill 795.0 L
  • Hydraulic Tank (Implement and Hydraulic Fan) 261.0 L
  • Hydraulic Tank (Steering and Braking) 132.0 L
  • Transmission 110.0 L

Operating Specifications

  • Bucket Capacity Range 8.6 m3-10.0 m3 (11.25 yd3-13.0 yd3)
  • Cat Truck Match - High Lift 775-777
  • Cat Truck Match - Standard 773-775
  • Operating Weight 80974.0 kg
  • Rated Payload 15.88 tonnes
  • Rated Payload - High Lift 15.88 tonnes
  • Rated Payload - Standard 15.88 tonnes

Axles

  • Front Fixed
  • Oscillation Angle 8.5°
  • Rear Trunnion

Brakes

  • Brakes SAE J1473 OCT90, ISO 3450:1992

Buckets

  • Bucket Capacities 8.6-10.0 m3 (11.25-13.0 yd3)

HYDRAULIC SYSTEM - LIFT/TILT

  • Cylinders, Double Acting: Left and Right Tilt, Bore and Stroke 235 mm × 1287 mm (9.3 in × 50.7 in)
  • Cylinders, Double Acting: Lift, Bore and Stroke 292.1 mm × 820 mm (11.5 in × 32.3 in)
  • Lift/Tilt System Variable displacement piston
  • Lift/Tilt System - Circuit Positive flow control
  • Maximum Flow at 1,800 rpm 817.0 L/min
  • Pilot System Open loop and pressure reducing
  • Relief Valve Setting 3500.0 kPa
  • Relief Valve Setting - Lift/Tilt 33000.0 kPa

HYDRAULIC SYSTEM - STEERING

  • Maximum Flow @ 1,400 rpm 358.0 L/min
  • Relief Valve Setting - Steering 32000.0 kPa
  • Steering System - Circuit Pilot, load sensing
  • Steering System - Pump Piston, variable displacement
  • Total Steering Angle 70.0 Degrees

SOUND PERFORMANCE - STANDARD

  • Machine Sound Level (ISO 6395:2008) 115.0 dB(A)
  • Operator Sound Level (ISO 6396:2008) 69.0 dB(A)

SOUND PERFORMANCE - SUPPRESSION

  • Machine Sound Level (ISO 6395:2008) 113.0 dB(A)
  • Operator Sound Level (ISO 6396:2008) 69.0 dB(A)

Hydraulic Cycle Time

  • Dump 2.9 Seconds
  • Lower 3.7 Seconds
  • Lower Float Down 3.6 Seconds
  • Rackback 4.3 Seconds
  • Raise 8.2 Seconds
  • Total Hydraulic Cycle Time (empty bucket) 13.8 Seconds

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