990 Wheel Loader

🔍

Description

Technical Specifications

Benefits and Features

Equipment

360 View

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.

Engine
Engine Model	C27 Cat®
Rated Speed	1,800/min
Engine Power - ISO 14396	752 HP
Gross Power - SAE J1995	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)

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.

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)