990 Wheel Loader

990 Wheel Loader

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Engine

Engine Model
C27 Cat®
Rated Speed
1,800/min
Engine Power - ISO 14396
752 hp
Gross Power - SAE J1995:2014
766 hp
Net Power - SAE J1349 - Standard Ambient
699 hp
Net Power - SAE J1349 - High Ambient
648 hp
Bore
5.4 in
Stroke
6 in
Displacement
1649.5 in³
Peak Torque - 1,200 rpm
2624 lb/ft
Torque Rise
18 %
Emissions
U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent

Transmission

Transmission Type
Cat planetary power shift
Forward - 1
4.5 mile/h
Forward - 2
8.3 mile/h
Forward - 3
14.2 mile/h
Reverse - 1
4.9 mile/h
Reverse - 2
9.1 mile/h
Reverse - 3
15.5 mile/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
8.5 mile/h
Direct Drive - Forward 3
15.2 mile/h
Direct Drive - Reverse 1
5.4 mile/h
Direct Drive - Reverse 2
9.6 mile/h
Direct Drive - Reverse 3
16.4 mile/h
Note
Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.

Operating Specifications

Operating Weight
178517 lb
Rated Payload - Standard
17.5 ton (US)
Rated Payload - High Lift
17.5 ton (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

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit
Positive flow control
Lift/Tilt System
Variable displacement piston
Maximum Flow at 1,800 rpm (1)
240 gal/min
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)
Pilot System
Open loop and pressure reducing
Relief Valve Setting - Main
507 psi
Relief Valve Setting - Lift/Tilt
4786 psi

Hydraulic Cycle Times

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

Hydraulic System - Steering

Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Maximum Flow at 1,400 rpm
96.2 gal/min
Relief Valve Setting - Steering
5004 psi
Total Steering Angle
70°

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons).

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5°

Brakes

Brakes
ISO 3450: 2011

Service Refill Capacities

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

Sound Performance - Standard

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

Sound Performance - Suppression

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

Buckets

Bucket Capacities
8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
  • 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)
    • 12V power port for mobile phone or laptop connection
    • Cat Vision, rear vision camera system
    • 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, leather/cloth, air suspension, heated/cooled
    • 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 screens
    • 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)
  • 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, powered
    • 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