990K Millyard Arrangement 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. The 990K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 990K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.

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Net Power 699HP
Engine Model Cat® C27 ™
Bore 5.4in
Stroke 6in
Displacement 1649.5in³
Torque Rise 18%
Rated Speed 1,800/min
Rated Speed - Gross - ISO 14396 752HP
Gross - ISO 14396 752HP
Net Power - SAE J1349 699HP
Rated Speed - Net Power - SAE J1349 - Standard Ambient 699HP
Rated Speed - Net Power - SAE J1349 - High Ambient 648HP
Peak Torque - 1,200 rpm 2624lb/ft
Rated Speed - Gross - SAE J1995 766HP
Emissions U.S. EPA Tier 4 Final or Tier 2 equivalent
Operating Weight 202398lb
Tipping Load - Straight 92990lb
Tipping Load - Articulated 35° 81896lb
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 3 15.2mile/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Reverse 3 16.4mile/h
Direct Drive - Reverse 1 5.4mile/h
Direct Drive - Reverse 2 9.6mile/h
Direct Drive - Forward 2 8.5mile/h
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Front Fixed
Rear Trunnion
Oscillation Angle 8.5°
Raise 9.4s
Dump 2.9s
Lower Float Down 3.6s
Lower 3.7s
Rack Back 4.8s
Fuel Tank 294.3gal (US)
Cooling System 54.9gal (US)
Transmission 29.1gal (US)
Hydraulic Tank - Steering and Braking 34.9gal (US)
Differential - Final Drives - Rear 68.9gal (US)
Engine Crankcase 20gal (US)
Differential - Final Drives - Front 71.6gal (US)
Hydraulic Tank - Implement and Hydraulic Fan 68.9gal (US)
Hydraulic System Factory Fill 210gal (US)
Maximum Flow at 1,800 rpm (1) 216gal/min
Lift/Tilt System - Circuit Positive flow control
Relief Valve Setting - Lift/Tilt 4786psi
Maximum Flow at 1,800 rpm (2) 22.2gal/min
Relief Valve Setting - Main 507psi
Pilot System Open loop and pressure reducing
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Tilt, Bore and Stroke 317.5 mm × 819 mm (12.5 in × 32.2 in)
Cylinders, Double Acting - Lift, Bore and Stroke 254 mm × 1264 mm (10.0 in × 49.8 in)
Relief Valve Setting - Steering 4641psi
Maximum Flow at 1,400 rpm 94.5gal/min
Steering System - Circuit Pilot, load sensing
Total Steering Angle 70°
Steering System - Pump Piston, variable displacement
Machine Sound Level (ISO 6395:2008) 115dB(A)
Operator Sound Level (ISO 6396:2008) 69dB(A)
Operator Sound Level (ISO 6396:2008) 69dB(A)
Machine Sound Level (ISO 6395:2008) 113dB(A)
Ground to Top of Exhaust Stacks 16.6ft
Fork Height at Maximum Lift 18.3ft
Ground to Top of Hood 12.7ft
Ground to Top of ROPS 17.2ft
Fork Top Clamp Opening 12.3ft
Maximum Overall Length 45.4ft
Ground to Lower Hitch Clearance 2ft
Ground to Bumper Clearance 3.1ft
Fork Height with Level Arms 8.9ft
Front Axle Centerline to Fork Tip 17.6ft
Rear Axle - Centerline to Bumper 12.5ft
Ground to Center of Front Axle 3.9ft
Hinge Pin Height at Maximum Lift 19.4ft
Wheel Base 15.1ft
Dump Angle at Maximum Lift 29.3 degrees
Fork End Area 78ft²
Brakes SAE J1473 OKT90, ISO 3450:1992

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 Payload Control System (PCS): – 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 Final only)
    • Demand fan
    • Engine Cat C27
    • Fuel priming pump (electric)
    • Ground level engine shutoff, bumper
    • Mufflers (under hood) (Tier 2 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 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