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Home New Large Wheel Loaders 990K Wheel Loader

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.

Engine

Net Power 699HP
Engine Model C27 Cat®
Bore 5.4in
Stroke 6in
Displacement 1649.5in³
Torque Rise 18%
Rated Speed 1,800/min
Rated Speed - Net Power - SAE J1349 - Standard Ambient 699HP
Rated Speed - Net Power - SAE J1349 - High Ambient 648HP
Rated Speed - Gross - SAE J1995 766HP
Net Power - SAE J1349 699HP
Emissions U.S. EPA Tier 4 Final OR Tier 2 Equivalent
Rated Speed - Gross - ISO 14396 752HP
Gross - ISO 14396 752HP
Peak Torque - 1,200 rpm 2624lb/ft

Operating Specifications

Operating Weight 178517lb
Rated Payload - Loose Material (Standard) 20ton (US)
Rated Payload - Loose Material (High Lift) 22ton (US)
Rated Payload - Standard (Quarry Face) 17.5ton (US)
Rated Payload - High Lift (Quarry Face) 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

Buckets

Bucket Capacities 7,4-14,9 m³ (9,7-19,5 yd³)

Transmission

Transmission Type Cat-Planetenlastschaltgetriebe
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.

Axles

Front Fixed
Rear Trunnion
Oscillation Angle 8.5°

Hydraulic Cycle Times

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

Service Refill Capacities

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

Hydraulic System - Lift/Tilt

Pilot System Open loop and pressure reducing
Maximum Flow at 1,800 rpm (1) 216gal/min
Cylinders, Double Acting - Lift, Bore and Stroke 235 mm × 1287 mm (9.3 in × 50.7 in)
Relief Valve Setting - Lift/Tilt 4786psi
Maximum Flow at 1,800 rpm (2) 22.2gal/min
Relief Valve Setting - Main 507psi
Lift/Tilt System - Circuit Positive flow control
Cylinders, Double Acting - Tilt, Bore and Stroke 292.1 mm × 820 mm (11.5 in × 32.3 in)
Lift/Tilt System Variable displacement piston

Sound Performance - Suppression

Operator Sound Level (ISO 6396:2008) 69dB(A)
Machine Sound Level (ISO 6395:2008) 113dB(A)

Sound Performance - Standard

Machine Sound Level (ISO 6395:2008) 115dB(A)
Operator Sound Level (ISO 6396:2008) 69dB(A)

Hydraulic System - Steering

Total Steering Angle 70°
Steering System - Pump Piston, variable displacement
Steering System - Circuit Pilot, load sensing
Steering ISO 5010: 2007
Relief Valve Setting - Steering 4641psi
Maximum Flow at 1,400 rpm 94.5gal/min

Operator's Cab

ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Brakes

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