990 Wheel Loader
360° Exterior View
360° Exterior View
360° Exterior View
360° Interior View
360° Interior View
At a Glance
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Overview
Engine
+ -| Engine Model | C27 Cat® |
| Rated Speed | 1,800/min |
| Engine Power - ISO 14396 | 752HP |
| Gross Power - SAE J1995 | 766HP |
| Net Power - SAE J1349 - Standard Ambient | 699HP |
| Net Power - SAE J1349 - High Ambient | 648HP |
| Bore | 5.4in |
| Stroke | 6in |
| Displacement | 1649.5in³ |
| Peak Torque - 1,200 rpm | 2624lb/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 | 4.5mile/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. |
Operating Specifications
+ -| Operating Weight | 178517lb |
| Rated Payload - Standard | 17.5ton (US) |
| Rated Payload - High Lift | 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 |
Hydraulic System - Lift/Tilt
+ -| Lift/Tilt System - Circuit | Positive flow control |
| Lift/Tilt System | Variable displacement piston |
| Maximum Flow at 1,800 rpm (1) | 240gal/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 | 507psi |
| Relief Valve Setting - Lift/Tilt | 4786psi |
Hydraulic Cycle Times
+ -| Rack Back | 4.3s |
| Raise | 8.2s |
| Dump | 2.9s |
| Lower | 3.7s |
| Lower Float Down | 3.6s |
| Total Hydraulic Cycle Time - Empty Bucket | 13.8s |
Hydraulic System - Steering
+ -| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Maximum Flow at 1,400 rpm | 96.2gal/min |
| Relief Valve Setting - Steering | 5004psi |
| 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 | 294.3gal (US) |
| Cooling System | 54.9gal (US) |
| Engine Crankcase | 20gal (US) |
| Transmission | 29.1gal (US) |
| Differential - Final Drives - Front | 71.6gal (US) |
| Differential - Final Drives - Rear | 68.9gal (US) |
| Hydraulic System Factory Fill | 210gal (US) |
| Hydraulic Tank - Implement and Hydraulic Fan | 68.9gal (US) |
| Hydraulic Tank - Steering and Braking | 34.9gal (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) | 65.5dB(A) |
| Machine Sound Level (ISO 6395:2008) | 115dB(A) |
Sound Performance - Suppression
+ -| Operator Sound Level (ISO 6396:2008) | 65.5dB(A) |
| Machine Sound Level (ISO 6395:2008) | 113dB(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
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Cab, sound-suppressed pressurized, protective structure (ROPS/FOPS)
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12V power port for mobile phone or laptop connection
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Cat Vision, rear vision camera system
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Cigar lighter and ashtray
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Coat hook
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Electro-hydraulic tilt and lift controls (seat mounted)
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Flip-up armrest
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Heater and defroster
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Horn, electric
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Implement hydraulic lockout
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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)
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Lunchbox and beverage holders
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Mirrors, rearview (externally mounted)
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Seat, leather/cloth, air suspension, heated/cooled
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Seat belt, retractable, 76 mm (3 in) wide
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STIC control system with steering lock
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Tinted glass
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Trainer seat with lap belt
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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
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Axle-shaft oil-disc service brake
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Electro hydraulic parking brake
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Case drain screens
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Cat clean emission module (Tier 4 only)
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Demand fan
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Engine Cat C27
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Fuel priming pump (electric)
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Ground level engine shutoff, bumper
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Mufflers (under hood) (Tier 2 equivalent only)
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Precleaner, engine air intake
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Radiator, Aluminum Modular (AMR)
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Separated cooling system
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Starting aid, (ether) manual override
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Throttle Lock
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Torque Converter, Impeller Clutch with lock-up clutch feature and rimpull control system
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Transmission, 534 mm (21 in) planetary power shift (electronic) (3F/3R)
Electrical
+ --
Alarm, back-up
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Alternator, 150 amp
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Batteries, maintenance free (2 – 1,400 CCA)
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Converter, 10/15 amp, 24V to 12V
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Deutsch component connectors
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Electrical system, 24V
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Electronic transmission control
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Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
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Starter, electric
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Starter lockout in bumper
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Starting receptacle for emergency start
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Transmission lockout in bumper
Other
+ --
Automatic bucket tilt/lift kickouts electronically adjustable from cab
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Axle temperature sensor
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Battery disconnect and jump start receptacle, bumper
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Coupling, Caterpillar O-ring face seals
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Economy mode with on demand throttle
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Emergency platform egress
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Engine, crankcase, 500 hour interval with CH4
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Engine idle management features:
– Auto idle kickdown
– Delayed engine shutdown
– Engine idle shutdown -
Fenders, steel (front)
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Guards, crankcase and power train
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Grouped/labeled lube points
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Hitch, drawbar with pin
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Hoses, Cat XT™
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Oil sampling valves
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Positive flow control hydraulic system
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Product Link
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Sight Gauges: hydraulic tanks, steering/fan and implement/brake, and transmission
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Stairway, left and right rear access
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Steering, load sensing
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Toe kicks
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Vandalism protection caplocks
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Venturi stack
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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