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990K Wheel Loader Steel Mill Arrangement

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 steel mill applications where larger machines have typically been used. The 990K Steel Mill Arrangement brings all new levels of performance, safety, operator comfort and efficiency in pit digging and skull handling applications.

Engine

Net Power 699HP
Engine Model Cat® C27 ™
Bore 5.4in
Stroke 6in
Displacement 1649.5in³
Torque Rise 18%
Rated Speed - Gross - ISO 14396 752HP
Rated Speed - Net Power - SAE J1349 - High Ambient 648HP
Rated Speed 1800r/min
Rated Speed - Net Power - SAE J1349 - Standard Ambient 699HP
Emissions Entspricht EPA Tier 4 Final/Tier 2 (USA)
Peak Torque - 1,200 rpm 2624lb/ft
Gross - ISO 14396 752HP
Net Power - SAE J1349 699HP
Rated Speed - Gross - SAE J1995 766HP

Buckets

Bucket Capacities 8.6-9.2 m3 (11.2-12.0 yd3)

Operating Specifications

Rated Payload 17.5t
Bucket Capacity Range 8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Rated Payload - Standard 17.5t
Cat Truck Match - Standard 773-775

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 - Reverse 1 5.4mile/h
Direct Drive - Reverse 2 9.6mile/h
Direct Drive - Forward 2 8.5mile/h
Direct Drive - Reverse 3 16.4mile/h
Direct Drive - Forward 3 15.2mile/h
Direct Drive - Forward 1 Lock-up disabled
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 9.4s
Dump 2.9s
Rack Back 4.8s
Lower 3.7s
Lower Float Down 3.6s
Total Hydraulic Cycle Time - Empty Bucket 15.9s

Service Refill Capacities

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

Hydraulic System - Lift/Tilt

Relief Valve Setting - Lift/Tilt 4786psi
Cylinders, Double Acting - Tilt, Bore and Stroke 317.5 mm × 819 mm (12.5 in × 32.2 in)
Lift/Tilt System Variable displacement piston
Maximum Flow at 1,800 rpm (1) 22.2gal/min
Relief Valve Setting - Main 507psi
Maximum Flow at 1,800 rpm (2) 216gal/min
Lift/Tilt System - Circuit Positive flow control
Pilot System Open loop and pressure reducing
Cylinders, Double Acting - Lift, Bore and Stroke 254 mm × 1264 mm (10.0 in × 49.8 in)

Hydraulic System - Steering

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

Sound Performance - Standard

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

Sound Performance - Suppression

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

Dimensions - Standard Lift - Approximate

Reach - Maximum Lift 7.2ft
Ground to Top of ROPS 17.2ft
Clearance at Maximum Lift 13.4ft
Maximum Overall Length 41.8ft
Ground to Top of Hood 12.7ft
Wheel Base 15.1ft
Ground to Lower Hitch Clearance 2ft
B-Pin Height - Maximum Lift 19.2ft
Rear Axle - Centerline to Bumper 12.5ft
Ground to Center of Front Axle 3.9ft
Ground to Bumper Clearance 3.5ft
Dump Angle at Maximum Lift 47.4 degrees
Rack Back Angle - Carry 48.8 degrees
Front Axle Centerline to Bucket Tip 14.2ft
Rack Angle at Maximum Lift 63.7 degrees
Maximum Overall Height - Bucket Raised 27ft
Ground to Top of Exhaust Stacks 16.6ft
Rack Back Angle - Ground Level 40.4 degrees

Brakes

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 – Lock-up 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 – Lock-up 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 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