Wheel Loader


This unit includes a general purpose bucket, maintenance package, connectivity, remote monitoring and your own team of product experts from Holt of California

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The image displayed is representative and may not reflect the exact specifications.

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 Model C27 Cat®
Rated Speed 1,800/min
Engine Power - ISO 14396 752HP
Gross Power - SAE J1995 766HP
Net Power - SAE J1349 - Standard Ambient 699HP
Net Power - SAE J1349 - High Ambient 648HP
Bore 5.4in
Stroke 6in
Displacement 1649.5in³
Peak Torque - 1,200 rpm 2624lb/ft
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


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

Operating Specifications

Operating Weight 178517lb
Rated Payload - Standard 17.5ton (US)
Rated Payload - High Lift 17.5ton (US)
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
Maximum Flow at 1,800 rpm (1) 240gal/min
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)
Pilot System Open loop and pressure reducing
Relief Valve Setting - Main 507psi
Relief Valve Setting - Lift/Tilt 4786psi

Hydraulic Cycle Times

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

Hydraulic System - Steering

Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Maximum Flow at 1,400 rpm 96.2gal/min
Relief Valve Setting - Steering 5004psi
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).


Front Fixed
Rear Trunnion
Oscillation Angle 8.5°


Brakes ISO 3450: 2011

Service Refill Capacities

Fuel Tank 294.3gal (US)
Cooling System 54.9gal (US)
Engine Crankcase 20gal (US)
Transmission 29.1gal (US)
Differential - Final Drives - Front 71.6gal (US)
Differential - Final Drives - Rear 68.9gal (US)
Hydraulic System Factory Fill 210gal (US)
Hydraulic Tank - Implement and Hydraulic Fan 68.9gal (US)
Hydraulic Tank - Steering and Braking 34.9gal (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 l

Sound Performance - Standard

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

Sound Performance - Suppression

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


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

Standard Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.
Operator Environment
  • Air conditioner and heater with automatic temperature control
  • Cab, sound-suppressed pressurized, protective structure (ROPS/FOPS)
  • 12V power port for mobile phone or laptop connection
  • Cat Vision, rear vision camera system
  • Cigar lighter and ashtray
  • Coat hook
  • Electro-hydraulic tilt and lift controls (seat mounted)
  • Flip-up armrest
  • Heater and defroster
  • Horn, electric
  • Implement hydraulic lockout
  • Instrumentation, gauges:
    – Engine coolant temperature
    – Fuel level
    – Ground speed
    – Gear
    – Hydraulic oil temperature
    – Speedometer/tachometer
    – Torque converter temperature
  • Instrumentation, warning indicators:
    – Action alert system, three category
    – Automatic transmission model enable status
    – Brake malfunction
    – Bucket float status
    – Delayed engine shutdown status
    – Engine idle shutdown status
    – Engine malfunction
    – Fuel economy mode enable status
    – Hydraulic lockout
    – Lockup clutch enable status
    – Low fuel level
    – Parking brake status
    – Rimpull control enable status
    – Seatbelt warning
    – Secondary steering (if equipped)
    – Throttle lock status
    – Transmission gear
  • Keypad, control with indicator lights:
    – Auto trans mode speed range
    – Auto/manual transmission mode
    – Fuel economy mode
    – Implement kickout
    – Lockup clutch
    – Reduced rimpull
    – Throttle lock
  • Light, dome (cab)
  • Lunchbox and beverage holders
  • Mirrors, rearview (externally mounted)
  • Seat, leather/cloth, air suspension, heated/cooled
  • Seat belt, retractable, 76 mm (3 in) wide
  • STIC control system with steering lock
  • Tinted glass
  • Trainer seat with lap belt
  • Vital Information Management System (VIMS) 3G with graphical information display: external data port, customizable operator profiles, cycle timer, and integral Cat Production Measurement
    – Wet-arm wipers/washers (front, rear and corner) intermittent front wiper
Power Train
  • Brakes, full hydraulic, enclosed, oil-disc
  • Axle-shaft oil-disc service brake
  • Electro hydraulic parking brake
  • Case drain screens
  • Cat clean emission module (Tier 4 only)
  • Demand fan
  • Engine Cat C27
  • Fuel priming pump (electric)
  • Ground level engine shutoff, bumper
  • Mufflers (under hood) (Tier 2 equivalent only)
  • Precleaner, engine air intake
  • Radiator, Aluminum Modular (AMR)
  • Separated cooling system
  • Starting aid, (ether) manual override
  • Throttle Lock
  • Torque Converter, Impeller Clutch with lock-up clutch feature and rimpull control system
  • Transmission, 534 mm (21 in) planetary power shift (electronic) (3F/3R)
  • Alarm, back-up
  • Alternator, 150 amp
  • Batteries, maintenance free (2 – 1,400 CCA)
  • Converter, 10/15 amp, 24V to 12V
  • Deutsch component connectors
  • Electrical system, 24V
  • Electronic transmission control
  • Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
  • Starter, electric
  • Starter lockout in bumper
  • Starting receptacle for emergency start
  • Transmission lockout in bumper
  • Automatic bucket tilt/lift kickouts electronically adjustable from cab
  • Axle temperature sensor
  • Battery disconnect and jump start receptacle, bumper
  • Coupling, Caterpillar O-ring face seals
  • Economy mode with on demand throttle
  • Emergency platform egress
  • Engine, crankcase, 500 hour interval with CH4
  • Engine idle management features:
    – Auto idle kickdown
    – Delayed engine shutdown
    – Engine idle shutdown
  • Fenders, steel (front)
  • Guards, crankcase and power train
  • Grouped/labeled lube points
  • Hitch, drawbar with pin
  • Hoses, Cat XT
  • Oil sampling valves
  • Positive flow control hydraulic system
  • Product Link
  • Sight Gauges: hydraulic tanks, steering/fan and implement/brake, and transmission
  • Stairway, left and right rear access
  • Steering, load sensing
  • Toe kicks
  • Vandalism protection caplocks
  • Venturi stack
  • Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)

Optional Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.
Power Train
  • –50° C (–58° F) antifreeze
  • Engine oil change system, high speed, Wiggins
  • Engine block heater 120V or 240V
  • High ambient cooling – software
Operator Environment
  • Cab precleaner, powered
  • AM/FM/CD/MP3 radio
  • Satellite Sirius radio with Bluetooth
  • LED warning strobe
  • CB radio ready
  • Window sun shade
Miscellaneous Attachments
  • Front and rear roading fenders
  • Fast fill fuel system (Shaw-Aero)
  • Axle oscillation stop
  • Heavy duty cab mounts