990 Wheel Loader

990 Wheel Loader

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Engine

Engine Model
Cat® C27
Emissions
Option 1 - U.S. EPA Tier 4 Final/EU Stage V
Rated Speed
1800 r/min
Emissions
Option 2 - Emits equivalent to U.S. EPA Tier 2
Rated Speed
1800 r/min
Gross Power - SAE J1995:2014
766 hp
Bore
5.4 in
Stroke
6 in
Displacement
1649.5 in³
Peak Torque - 1,200 rpm
2624 lb/ft
Torque Rise
18 %
Note
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake sytstem, exhaust system, and alternator.

Transmission

Transmission Type
Cat planetary power shift
Forward - 1
4.6 mile/h
Forward - 2
8.2 mile/h
Forward - 3
14.5 mile/h
Reverse - 1
5.1 mile/h
Reverse - 2
9.1 mile/h
Reverse - 3
16 mile/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
8.2 mile/h
Direct Drive - Forward 3
14.5 mile/h
Direct Drive - Reverse 1
5.1 mile/h
Direct Drive - Reverse 2
9.1 mile/h
Direct Drive - Reverse 3
16 mile/h
Note
Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.

Operating Specifications

Operating Weight - Standard
178517 lb
Bucket Capacity Range
8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Rated Payload - Standard
17.5 ton (US)
Rated Payload - High Lift
17.5 ton (US)
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
Relief Valve Setting - Lift/Tilt
4786 psi
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

Hydraulic Cycle Times

Rack Back
4.3 s
Raise
8.6 s
Dump
2.9 s
Lower
3.7 s
Lower Float Down
3.7 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 or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system c

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5°

Brakes

Brakes
ISO 3450: 2011

Service Refill Capacities

Fuel Tank
281 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
Cat U.S. EPA Tier 4 Final/EU Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: • 20% biodiesel FAME (fatty acid methyl este

Dimensions (Approximate) - Standard Lift Linkage

Ground to Top of ROPS
17.2 ft
Ground to Top of Exhaust Stacks
16.6 ft
Ground to Top of Hood
12.7 ft
Rear Axle - Centerline to Bumper
12.5 ft
Front Axle Centerline to Bucket Tip
15.4 ft
Wheel Base
15.1 ft
Maximum Overall Length
42.9 ft
Ground to Lower Hitch Clearance
2 ft
Ground to Center of Front Axle
4.2 ft
Clearance at Maximum Lift
7.2 ft
B-Pin Height - Maximum Lift
19.7 ft
Maximum Overall Height - Bucket Raised
27.2 ft
Reach - Maximum Lift
7.2 ft
Note
Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires.

Dimensions (Approximate) - High Lift Linkage

Ground to Top of ROPS
17.2 ft
Ground to Top of Exhaust Stacks
16.6 ft
Ground to Top of Hood
12.7 ft
Rear Axle - Centerline to Bumper
12.5 ft
Front Axle Centerline to Bucket Tip
17.8 ft
Wheel Base
15.1 ft
Maximum Overall Length
45.3 ft
Ground to Lower Hitch Clearance
2 ft
Ground to Center of Front Axle
4.2 ft
Clearance at Maximum Lift
14.8 ft
B-Pin Height - Maximum Lift
21.2 ft
Maximum Overall Height - Bucket Raised
28.7 ft
Dump Angle at Maximum Lift
51°
Reach - Maximum Lift
8.5 ft
Note
Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires.
  • 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 and pressurized, rollover protective structure/falling objects protective structure (ROPS/FOPS)
    • Cat Vision, rear vision camera system
    • 12-volt power port
    • Coat hook
    • Cab precleaner, powered
    • Electro-hydraulic tilt and lift controls (seat mounted)
    • Flip-up armrest
    • Heater and defroster
    • CB radio ready
    • 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)
    • Premium seat with heated and actively cooled leather, adjustable lumbar support, air adjustable bolsters on the seat and backrest, seat cushion tilt adjustment, and adjustable-length seat cushion
    • Seat belt, retractable, 76 mm (3 in) wide
    • Steering and Transmission Integrated Control (STIC) system with steering lock
    • Tinted glass
    • Trainer seat with lap belt
    • Vital Information Management System (VIMS) 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
  • POWERTRAIN
    • Brakes, full hydraulic, enclosed, oil-disc
    • Axle-shaft oil-disc service brake
    • Electro hydraulic parking brake
    • Case drain screens
    • Cat clean emission module (CEM) - (Tier 4 only)
    • Demand fan
    • Engine Cat C27
    • Fuel priming pump (electric)
    • Ground level shutdown switch
    • 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 (ICTC) with lock-up clutch (LUC), 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
    • Auxiliary start receptacle
  • OTHER
    • Automatic bucket lift kickout/positioner
    • Axle temperature sensor
    • Battery disconnect and jump start receptacle, bumper
    • Coupling, Caterpillar O-ring face seals
    • Economy mode with on demand throttle
    • Emergency platform exit
    • 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 powertrain
    • Ground level lockable battery disconnect switch
    • 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.
  • POWERTRAIN
    • –50° C (–58° F) antifreeze
    • Engine oil change system, high speed, Wiggins
    • Engine block heater 120V or 240V
    • High ambient cooling – software
  • OPERATOR ENVIRONMENT
    • Cat Detect, object detection system
    • AM/FM/CD/MP3 radio
    • Satellite Sirius radio with Bluetooth®
    • LED warning strobe
    • Mirrors heated
    • Window pull-down visor
  • OTHER
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)
  • OTHER OPTIONAL CONFIGURATIONS
    • Millyard
    • Steel Mill