990 Wheel Loader

990 Wheel Loader

Large Wheel Loaders

Overview

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 mines, quarries and industrial applications around the world. The 990 brings all new levels of performance, safety, operator comfort and efficiency.

PROVEN RELIABILITY
        
  • Cat C27 engine is built and tested to meet your most demanding applications.
  •     
  • Longer engine life and improved fuel efficiency with reduced rated speed.
  •     
  • Designed for longer life, rebuildability, and higher resale value.
PERFORMANCE AND PRODUCTIVITY
        
  • Two engine emission options are available that meet U.S. EPA Tier 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent.
  •     
  • Up to 10% more payload per pass on truck-loading applications with Performance Series Buckets.
POWERFUL EFFICIENCY
        
  • Up to 54% fuel efficiency material per gallon of fuel (27% less fuel consumption).
  •     
  • Economy mode for reduced rated engine speed and reduced fuel consumption.
  •     
  • Positive flow-control hydraulics for full flow on demand at lower engine speeds.
PRODUCTIVITY WITH TECHNOLOGY
        
  • Developed to monitor, manage, and enhance your jobsite operations.
  •     
  • Payload provides accurate weighing* of the materials you are loading and hauling. Payload data is displayed in real-time to improve productivity and reduce overloading.
SAVE ON SERVICE AND MAINTENANCE
        
  • 10% lower maintenance costs.
  •     
  • Grouped service points.
  •     
  • Electro-hydraulic controls.
  •     
  • Swing-out engine compartment service doors.
  •     
  • Ecology drains to prevent spilled contaminants.
SAFETY FIRST
        
  • Standard stairway lighting.
  •     
  • Left- and right-hand stairs with 45-degree angle.
  •     
  • Standard Cat Vision, rear vision camera system.
  •     
  • Pressurized cabin with filtered and reduced sound levels.
OPERATOR COMFORT AND CONTROL
        
  • Best-in-class operator comfort and ergonomics.
  •     
  • 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.
PURPOSE BUILT SPECIALTY MODELS - MILLYARD
        
  • Designed to meet the demands of millyard applications.
  •     
  • Designed for durability, ensuring availability in multiple life cycles.
  •     
  • Equipped with Economy Mode to save on fuel consumption by the use of On Demand Throttle.
PURPOSE BUILT SPECIALTY MODELS - STEEL MILL
        
  • World class safety, operator comfort and efficiency in pit digging and skull handling applications.
  •     
  • Efficiency of manual throttle and ergonomics of throttle lock.
  •     
  • Excellent visibility to the bucket edges and work area through a Z-bar design.
LONG TERM VALUE AND DURABILITY
        
  • Best-in-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.
  •     
  • Advanced filtration system for extended performance and reliability of the hydraulic system.
  •     
  • Advanced Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS) reduce tire slippage and wear, improve fuel efficiency, and reduce cost-per-ton.
PROVEN RELIABILITY
        
  • Cat C27 engine is built and tested to meet your most demanding applications.
  •     
  • Longer engine life and improved fuel efficiency with reduced rated speed.
  •     
  • Designed for longer life, rebuildability, and higher resale value.
  •     
  • Maximum responsiveness with Steering and Integrated Control (STIC™).
  •     
  • Moves more material more efficiently with improved power and control.
  •     
  • Durable construction withstands the toughest loading conditions and multiple life cycles.
PERFORMANCE AND PRODUCTIVITY
        
  • Two engine emission options are available that meet U.S. EPA Tier 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent.
  •     
  • Up to 10% more payload per pass on truck-loading applications with Performance Series Buckets.
  •     
  • Payload increase to optimize pass on 775 trucks.
  •     
  • Positive Flow Control (PFC) hydraulic system increases efficiency, bucket feel, and responsiveness with consistent performance.
  •     
  • Excellent visibility to the bucket edges and work area through a Z-bar linkage.
  •     
  • Planetary power shift transmission for maximum uptime.
  •     
  • Convenient, responsive, electro-hydraulic controls increase operator productivity.
  •     
  • Superior digging, higher bucket fill factors, reduced dig times.
  •     
  • Integrated steering and transmission controls.
  •     
  • Operators can check tire pressure during operation with any change sending a fault code to VisionLink®, preventing premature tire failure. 
POWERFUL EFFICIENCY
        
  • Up to 54% fuel efficiency material per gallon of fuel (27% less fuel consumption).
  •     
  • Economy mode for reduced rated engine speed and reduced fuel consumption.
  •     
  • Positive flow-control hydraulics for full flow on demand at lower engine speeds.
  •     
  • Engine Idle Shutdown for less fuel used while idling.
  •     
  • Fully integrated electronic engine controls make your fuel go farther.
PRODUCTIVITY WITH TECHNOLOGY
        
  • Developed to monitor, manage, and enhance your jobsite operations.
  •     
  • Payload provides accurate weighing* of the materials you are loading and hauling. Payload data is displayed in real-time to improve productivity and reduce overloading.
  •     
  • Detect enhances awareness of the environment around working equipment and provides alerts to help keep people and assets safe on the jobsite.
  •     
  • VisionLink wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business.
  •     
  • Gain valuable insight into how your machine or fleet is performing.
  •     
  • Optional Advanced Productivity subscription provides comprehensive actionable information to help you manage and improve the productivity and profitability of your operations.
*Not legal for trade
SAVE ON SERVICE AND MAINTENANCE
        
  • 10% lower maintenance costs.
  •     
  • Grouped service points.
  •     
  • Electro-hydraulic controls.
  •     
  • Swing-out engine compartment service doors.
  •     
  • Ecology drains to prevent spilled contaminants.
  •     
  • Ground level access to transmission control valves.
  •     
  • Vehicle Information Management System (VIMS™) notifications to resolve problems before failure.
  •     
  • Longer life, rebuildability, and high resale value.
SAFETY FIRST
        
  • Standard stairway lighting.
  •     
  • Left- and right-hand stairs with 45-degree angle.
  •     
  • Standard Cat Vision, rear vision camera system.
  •     
  • Pressurized cabin with filtered and reduced sound levels.
OPERATOR COMFORT AND CONTROL
        
  • Best-in-class operator comfort and ergonomics.
  •     
  • 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.
  •     
  • Easy-to-reach levers and controls with seat-mounted implement pod to reduce fatigue.
  •     
  • Ergonomic switch placement and displays with large backlit switches, LED indicators, and ISO symbols.
  •     
  • Optional heated mirrors.
  •     
  • Two-position rocker switch activates the electro-hydraulic parking brake.
  •     
  • Reduced vibrations from isolated cab mounts and seat air suspension.
  •     
  • Automatic cab temperature controls.
  •     
  • Achieve precise positioning for easy loading in tight areas with 35 degrees of steering articulation.
  •     
  • Precise machine control by load-sensing hydraulic steering system.
PURPOSE BUILT SPECIALTY MODELS - MILLYARD
        
  • Designed to meet the demands of millyard applications.
  •     
  • Designed for durability, ensuring availability in multiple life cycles.
  •     
  • Equipped with Economy Mode to save on fuel consumption by the use of On Demand Throttle.
  •     
  • Equipped with Impleller Clutch Torque Convereter (ICTC) and Rimpull Control System (RCS) to reduce tire slippage and fuel efficiency.
  •     
  • Full hydraulic flow down to 1,400 engine rpm by using hydraulic flow sharing technology.
  •     
  • Equipped with 45 degree angle access ladders and standard Cat Vision for enhanced safety.
  •     
  • Cat forks are designed for maximum productivity and durability.
  •     
  • Integrates front camera mounting location for maximum visibility to the entire fork tips during truck unloading.
PURPOSE BUILT SPECIALTY MODELS - STEEL MILL
        
  • World class safety, operator comfort and efficiency in pit digging and skull handling applications.
  •     
  • Efficiency of manual throttle and ergonomics of throttle lock.
  •     
  • Excellent visibility to the bucket edges and work area through a Z-bar design.
  •     
  • Equipped with extra heat protection to key hoses and harnesses for improved reliability.
LONG TERM VALUE AND DURABILITY
        
  • Best-in-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.
  •     
  • Advanced filtration system for extended performance and reliability of the hydraulic system.
  •     
  • Advanced Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS) reduce tire slippage and wear, improve fuel efficiency, and reduce cost-per-ton.
  •     
  • Linkage pin joints have optional auto-lube system to ensure long life.
  •     
  • Frame resists torsional shock and twisting forces.
  •     
  • Heavy-duty steering cylinder mounts and axle mounting ensure increased structural integrity.

Operating Specifications

Rated Payload - Loose Material (Standard)
20ton (US)
Rated Payload - Loose Material (High Lift)
22ton (US)
Rated Payload - Standard (Quarry Face)
17.5ton (US)
Rated Payload - High Lift (Quarry Face)
17.5ton (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
Operating Weight
178517lb
Rated Payload - Standard
17.5ton (US)
Rated Payload - High Lift
17.5ton (US)

Engine

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

Buckets

Bucket Capacities
8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)

Transmission

Transmission Type
Cat planetary power shift
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 1
Lock-up disabled
Direct Drive - Forward 2
8.5mile/h
Direct Drive - Forward 3
15.2mile/h
Direct Drive - Reverse 1
5.4mile/h
Direct Drive - Reverse 2
9.6mile/h
Direct Drive - Reverse 3
16.4mile/h
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
8.2s
Dump
2.9s
Total Hydraulic Cycle Time - Empty Bucket
13.8s
Lower
3.7s
Lower Float Down
3.6s
Rack Back
4.3s

Service Refill Capacities

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

Hydraulic System - Lift/Tilt

Maximum Flow at 1,800 rpm (2)
22.2gal/min
Maximum Flow at 1,800 rpm (1)
240gal/min
Lift/Tilt System - Circuit
Positive flow control
Lift/Tilt System
Variable displacement piston
Cylinders, Double Acting - Lift, Bore and Stroke
235 mm × 1287 mm (9.3 in × 50.7 in)
Pilot System
Open loop and pressure reducing
Relief Valve Setting - Lift/Tilt
4786psi
Relief Valve Setting - Main
507psi
Cylinders, Double Acting - Tilt, Bore and Stroke
292.1 mm × 820 mm (11.5 in × 32.3 in)

Sound Performance - Suppression

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

Hydraulic System - Steering

Steering System - Circuit
Pilot, load sensing
Steering
ISO 5010: 2007
Maximum Flow at 1,400 rpm
96.2gal/min
Total Steering Angle
70°
Steering System - Pump
Piston, variable displacement
Relief Valve Setting - Steering
5004psi

Sound Performance - Standard

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

Operator's Cab

ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Brakes

Brakes
ISO 3450: 2011

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).

Standard/Optional Features

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)
    • 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)

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, 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

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990 Large Wheel Loaders

Operating Weight
178517 lb
Net Power
699 HP
Bucket Capacities
8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Bucket Capacity Range
8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Gross Power - SAE J1995
766 HP
Selected Model

906 Compact Wheel Loaders

Operating Weight
12628 lb
Maximum Gross Power
74.7 HP
Bucket Capacities
0.75-1.55 m³ (1.0-2.0 yd³)
View Full Specs

903D Compact Wheel Loaders

Operating Weight
9414 lb
Maximum Gross Power
42 HP
Bucket Capacities
0.6-1.0 m3 (0.8-1.3 yd3)
View Full Specs

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