990K Steel Mill Arrangement

Heavy Equipment

990K Steel Mill Arrangement

Net Power
699 HP / 521 kW
Operating Weight
204693 lb / 92848 kg
Rated Payload
17.5 t / 15.88 t

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.

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990K (Steel Mill) Product Brochure
Engine
Net Power 699 HP / 521 kW
Engine Model Cat® C27 ACERT™
Bore 5.4 in / 137.2 mm
Stroke 6 in / 152.4 mm
Displacement 1649.5 in³ / 27.03 l
Torque Rise 18 %
Emissions U.S. EPA Tier 4 Final/Tier 2 Equivalent
Gross - ISO 14396 752 HP / 561 kW
Net Power - SAE J1349 699 HP / 521 kW
Peak Torque - 1,200 rpm 2624 lb/ft / 3557 N·m
Rated Speed 1800 r/min
Rated Speed - Gross - ISO 14396 752 HP / 561 kW
Rated Speed - Gross - SAE J1995 766 HP / 571 kW
Rated Speed - Net Power - SAE J1349 - High Ambient 648 HP / 483 kW
Rated Speed - Net Power - SAE J1349 - Standard Ambient 699 HP / 521 kW
Operating Specifications
Operating Weight 204693 lb / 92848 kg
Rated Payload 17.5 t / 15.88 t
Bucket Capacity Range 8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Cat Truck Match - Standard 773-775
Rated Payload - Standard 17.5 t / 15.88 t
Transmission
Transmission Type Cat planetary power shift
Forward - 1 4.5 mile/h / 7.3 km/h
Forward - 2 8.3 mile/h / 13.3 km/h
Forward - 3 14.2 mile/h / 22.9 km/h
Reverse - 1 4.9 mile/h / 7.9 km/h
Reverse - 2 9.1 mile/h / 14.7 km/h
Reverse - 3 15.5 mile/h / 24.9 km/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8.5 mile/h / 13.7 km/h
Direct Drive - Forward 3 15.2 mile/h / 24.5 km/h
Direct Drive - Reverse 1 5.4 mile/h / 8.7 km/h
Direct Drive - Reverse 2 9.6 mile/h / 15.4 km/h
Direct Drive - Reverse 3 16.4 mile/h / 26.4 km/h
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Hydraulic System - Lift/Tilt
Cylinders, Double Acting - Lift, Bore and Stroke 254 mm × 1264 mm (10.0 in × 49.8 in)
Cylinders, Double Acting - Tilt, Bore and Stroke 317.5 mm × 819 mm (12.5 in × 32.2 in)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit Positive flow control
Maximum Flow at 1,800 rpm (1) 22.2 gal/min / 84 l/min
Maximum Flow at 1,800 rpm (2) 216 gal/min / 817 l/min
Pilot System Open loop and pressure reducing
Relief Valve Setting 507 psi / 3500 kPa
Relief Valve Setting - Lift/Tilt 4786 psi / 33000 kPa
Service Refill Capacities
Fuel Tank 294.3 gal (US) / 1114 l
Cooling System 54.9 gal (US) / 208 l
Transmission 29.1 gal (US) / 110 l
Differential - Final Drives - Front 71.6 gal (US) / 271 l
Differential - Final Drives - Rear 68.9 gal (US) / 261 l
Engine Crankcase 20 gal (US) / 75.7 l
Hydraulic System Factory Fill 210 gal (US) / 795 l
Hydraulic Tank - Implement and Hydraulic Fan 68.9 gal (US) / 261 l
Hydraulic Tank - Steering and Braking 34.9 gal (US) / 132 l
Buckets
Bucket Capacities 8.6-9.2 m3 (11.2-12.0 yd3)
Axles
Front Fixed
Rear Trunnion
Oscillation Angle 8.5°
Brakes
Brakes SAE J1473 OCT90, ISO 3450:1992
Hydraulic System - Steering
Maximum Flow at 1,400 rpm 94.5 gal/min / 358 l/min
Relief Valve Setting - Steering 4641 psi / 32000 kPa
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 70°
Hydraulic Cycle Times
Raise 9.4 s
Dump 2.9 s
Lower 3.7 s
Lower Float Down 3.6 s
Rack Back 4.8 s
Total Hydraulic Cycle Time - Empty Bucket 15.9 s
Sound Performance - Standard
Machine Sound Level (ISO 6395:2008) 115 dB(A)
Operator Sound Level (ISO 6396:2008) 69 dB(A)
Sound Performance - Suppression
Machine Sound Level (ISO 6395:2008) 113 dB(A)
Operator Sound Level (ISO 6396:2008) 69 dB(A)
Dimensions - Standard Lift - Approximate
B-Pin Height - Maximum Lift 19.2 ft / 5867 mm
Clearance at Maximum Lift 13.4 ft / 4077 mm
Dump Angle at Maximum Lift 47.4 degrees
Front Axle Centerline to Bucket Tip 14.2 ft / 4338 mm
Ground to Bumper Clearance 3.5 ft / 1079 mm
Ground to Center of Front Axle 3.9 ft / 1186 mm
Ground to Lower Hitch Clearance 2 ft / 596 mm
Ground to Top of Exhaust Stacks 16.6 ft / 5049 mm
Ground to Top of Hood 12.7 ft / 3862 mm
Ground to Top of ROPS 17.2 ft / 5240 mm
Maximum Overall Height - Bucket Raised 27 ft / 8231 mm
Maximum Overall Length 41.8 ft / 12733 mm
Rack Angle at Maximum Lift 63.7 degrees
Rack Back Angle - Carry 48.8 degrees
Rack Back Angle - Ground Level 40.4 degrees
Reach - Maximum Lift 7.2 ft / 2193 mm
Rear Axle - Centerline to Bumper 12.5 ft / 3795 mm
Wheel Base 15.1 ft / 4600 mm

Standard Equipment

  • 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 ACERT
    • 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

  • 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
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