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990 Wheel Loader

990 Wheel Loader

Raising the bar for productivity and power

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More Comfort – More Performance – More Versatility

  • UP TO 54% BETTER FUEL EFFICIENCY

    Move more material with less fuel using economy mode

  • UP TO 10% LOWER MAINTENANCE COST

    Make regular maintenance more convenient with grouped service points

  • UP TO 10% MORE PRODUCTIVITY

    Deliver more productivity in most truck loading applications while using performance series buckets with increased capacities

Engine

Bore 5.4 in
Displacement 1649.5 in³
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®
Engine Power - ISO 14396 752 HP
Gross Power - SAE J1995 766 HP
Net Power - SAE J1349 - High Ambient 648 HP
Net Power - SAE J1349 - Standard Ambient 699 HP
Peak Torque - 1,200 rpm 2624 lb/ft
Rated Speed 1,800/min
Stroke 6 in
Torque Rise 18 %

Transmission

Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8.5 mile/h
Direct Drive - Forward 3 15.2 mile/h
Direct Drive - Reverse 1 5.4 mile/h
Direct Drive - Reverse 2 9.6 mile/h
Direct Drive - Reverse 3 16.4 mile/h
Forward - 1 4.5 mile/h
Forward - 2 8.3 mile/h
Forward - 3 14.2 mile/h
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Reverse - 1 4.9 mile/h
Reverse - 2 9.1 mile/h
Reverse - 3 15.5 mile/h
Transmission Type Cat planetary power shift

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 178517 lb
Rated Payload - High Lift 17.5 ton (US)
Rated Payload - Standard 17.5 ton (US)

Hydraulic System - Lift/Tilt

Cylinders, Double Acting - Lift, Bore and Stroke 235 mm × 1287 mm (9.3 in × 50.7 in)
Cylinders, Double Acting - Tilt, 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 (1) 240 gal/min
Pilot System Open loop and pressure reducing
Relief Valve Setting - Lift/Tilt 4786 psi
Relief Valve Setting - Main 507 psi

Hydraulic Cycle Times

Dump 2.9 s
Lower 3.7 s
Lower Float Down 3.6 s
Rack Back 4.3 s
Raise 8.2 s
Total Hydraulic Cycle Time - Empty Bucket 13.8 s

Hydraulic System - Steering

Maximum Flow at 1,400 rpm 96.2 gal/min
Relief Valve Setting - Steering 5004 psi
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
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 equivalent of 3.861 metric tonnes (4.256 tons).

Axles

Front Fixed
Oscillation Angle 8.5°
Rear Trunnion

Brakes

Brakes ISO 3450: 2011

Service Refill Capacities

Cooling System 54.9 gal (US)
Differential - Final Drives - Front 71.6 gal (US)
Differential - Final Drives - Rear 68.9 gal (US)
Engine Crankcase 20 gal (US)
Fuel Tank 294.3 gal (US)
Hydraulic System Factory Fill 210 gal (US)
Hydraulic Tank - Implement and Hydraulic Fan 68.9 gal (US)
Hydraulic Tank - Steering and Braking 34.9 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 acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214. Cat DEO‑ULS™ or oils that meet the Cat ECF-3, API CJ‑4, and ACEA E9 specification are required. For further fluid specifications and guidelines, visit: http://parts.cat.com/cda/files/3244668/7/SEBU6250-19.pdf.
Transmission 29.1 gal (US)

Sound Performance - Standard

Machine Sound Level (ISO 6395:2008) 115 dB(A)
Operator Sound Level (ISO 6396:2008) 65.5 dB(A)

Sound Performance - Suppression

Machine Sound Level (ISO 6395:2008) 113 dB(A)
Operator Sound Level (ISO 6396:2008) 65.5 dB(A)

Buckets

Bucket Capacities 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)

Download resources

990 Key Features (Global)
990 Technical Specifications (Global)

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