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.
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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
- 1,649.5 in³
- Peak Torque - 1,200 rpm
- 2,624 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
- 178,517 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 × 1,287 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
- 4,786 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
- 5,004 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 = 1,430). 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 3,450: 2,011
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)
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
Specifications
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
- 1,649.5 in³
- Peak Torque - 1,200 rpm
- 2,624 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
- 178,517 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 × 1,287 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
- 4,786 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
- 5,004 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 = 1,430). 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 3,450: 2,011
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)
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