990 Wheel Loader
Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. The Cat 990 Wheel Loader has been a proven performer in mines, quarries and industrial applications around the world. The 990 brings all new levels of performance, safety, operator comfort and efficiency.
Engine
- Gross Power - SAE J1995
- 766 hp
- Engine Power - ISO 14396:2002
- 752 hp
- Rated Speed
- 1,800/min
- Bore
- 5.4 in
- Stroke
- 6 in
- Displacement
- 1649.5 in²
- Torque Rise
- 18
- Emissions
- U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent
- Engine Model
- C27 Cat®
Buckets
- Bucket Capacities
- 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Service Refill Capacities
- Engine Crankcase
- 20 gal (US)
- Note
- All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are
- Differential - Final Drives - Front
- 71.6 gal (US)
- Differential - Final Drives - Rear
- 68.9 gal (US)
- Fuel Tank
- 294.3 gal (US)
- Cooling System
- 54.9 gal (US)
- Transmission
- 29.1 gal (US)
- Hydraulic System Factory Fill
- 210 gal (US)
Transmission
- Transmission Type
- Cat planetary power shift
- Forward - 3
- 14.2 mile/h
- Forward - 1
- 4.5 mile/h
- Forward - 2
- 8.3 mile/h
- Direct Drive - Forward 2
- 8.5 mile/h
- Direct Drive - Forward 3
- 15.2 mile/h
- Reverse - 3
- 15.5 mile/h
- Reverse - 1
- 4.9 mile/h
- Reverse - 2
- 9.1 mile/h
- Note
- Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
- Direct Drive - Reverse 2
- 9.6 mile/h
- Direct Drive - Reverse 3
- 16.4 mile/h
Operating Specifications
- Bucket Capacity Range
- 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
- Cat Truck Match - Standard
- 773-775
- Cat Truck Match - High Lift
- 775-777
Hydraulic System - Lift/Tilt
- Lift/Tilt System - Circuit
- Positive flow control
- Lift/Tilt System
- Variable displacement piston
- Relief Valve Setting - Lift/Tilt
- 4786 psi
- Cylinders, Double Acting - Lift, Bore and Stroke
- 235 mm × 1287 mm (9.3 in × 50.7 in)
- Pilot System
- Open loop and pressure reducing
Hydraulic Cycle Times
- Rack Back
- 4.3 s
- Raise
- 8.2 s
- Dump
- 2.9 s
- Lower
- 3.7 s
- Lower Float Down
- 3.6 s
Hydraulic System - Steering
- Relief Valve Setting - Steering
- 5004 psi
- Steering System - Circuit
- Pilot, load sensing
- Steering System - Pump
- Piston, variable displacement
- Maximum Flow at 1,400 rpm
- 96.2 gal/min
- Total Steering Angle
- 70°
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 2.7 kg of refrigerant which has a CO2 equiv
Axles
- Front
- Fixed
- Rear
- Trunnion
- Oscillation Angle
- 8.5°
Brakes
- Brakes
- ISO 3450: 2011
