990K 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 990K brings all new levels of performance, safety, operator comfort and efficiency.

Request a quote
Bore 5.4in
Displacement 1649.5in³
Emissions U.S. EPA Tier 4 Final OR Tier 2 Equivalent
Engine Model C27 Cat®
Gross - ISO 14396 752HP
Net Power 699HP
Net Power - SAE J1349 699HP
Peak Torque - 1,200 rpm 2624lb/ft
Rated Speed 1,800/min
Rated Speed - Gross - ISO 14396 752HP
Rated Speed - Gross - SAE J1995 766HP
Rated Speed - Net Power - SAE J1349 - High Ambient 648HP
Rated Speed - Net Power - SAE J1349 - Standard Ambient 699HP
Stroke 6in
Torque Rise 18%
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 178517lb
Rated Payload - High Lift (Quarry Face) 17.5ton (US)
Rated Payload - Loose Material (High Lift) 22ton (US)
Rated Payload - Loose Material (Standard) 20ton (US)
Rated Payload - Standard (Quarry Face) 17.5ton (US)
Bucket Capacities 7,4-14,9 m³ (9,7-19,5 yd³)
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
Forward - 1 4.5mile/h
Forward - 2 8.3mile/h
Forward - 3 14.2mile/h
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Reverse - 1 4.9mile/h
Reverse - 2 9.1mile/h
Reverse - 3 15.5mile/h
Transmission Type Cat-Planetenlastschaltgetriebe
Front Fixed
Oscillation Angle 8.5°
Rear Trunnion
Dump 2.9s
Lower 3.7s
Lower Float Down 3.6s
Rack Back 4.3s
Raise 8.2s
Total Hydraulic Cycle Time - Empty Bucket 13.8s
Cooling System 54.9gal (US)
Differential - Final Drives - Front 71.6gal (US)
Differential - Final Drives - Rear 68.9gal (US)
Engine Crankcase 20gal (US)
Fuel Tank 294.3gal (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
Transmission 29.1gal (US)
Maximum Flow at 1,400 rpm 94.5gal/min
Relief Valve Setting - Steering 4641psi
Steering ISO 5010: 2007
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 70°
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) 216gal/min
Maximum Flow at 1,800 rpm (2) 22.2gal/min
Pilot System Open loop and pressure reducing
Relief Valve Setting - Lift/Tilt 4786psi
Relief Valve Setting - Main 507psi
ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Machine Sound Level (ISO 6395:2008) 113dB(A)
Operator Sound Level (ISO 6396:2008) 69dB(A)
Machine Sound Level (ISO 6395:2008) 115dB(A)
Operator Sound Level (ISO 6396:2008) 69dB(A)
Brakes ISO 3450: 2011

Standard Equipment:

  • Note
    • 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), radio ready for (entertainment) includes antenna, speakers and converter (12V, 10-15 amp)
    • 12V power port for mobile phone or laptop connection
    • Camera, rear vision
    • 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, Cat comfort (cloth) air suspension
    • 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 filters
    • 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)
  • Electrical
    • 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
  • Other
    • 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:

  • Note
    • 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
    • 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