The Cat® 990 Wheel Loader helps you move more material in less time, at a low cost per ton, for a fast return on your investment. This machine offers significant fuel savings, low maintenance costs, and great productivity and durability to acheive multiple life cycles.
Engine Power - ISO 14396:2002 786 hp
Operating Weight - Standard 178517 lb
Bucket Capacity Range 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Engine Model Cat® C27
Bore 5.4in
Displacement 1649.5in³
Emissions Option 1 - U.S. EPA Tier 4 Final/EU Stage V
Emissions Option 2 - Emits equivalent to U.S. EPA Tier 2
Engine Model Cat® C27
Engine Power - ISO 14396:2002 786hp
Engine Power - ISO 14396:2002 752hp
Gross Power - SAE J1995:2014 801hp
Gross Power - SAE J1995:2014 766hp
Net Power - SAE J1349:2011 - High Ambient 681hp
Net Power - SAE J1349:2011 - High Ambient 648hp
Net Power - SAE J1349:2011 - Standard Ambient 732hp
Net Power - SAE J1349:2011 - Standard Ambient 699hp
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.
Peak Torque - 1,200 rpm 2624lb/ft
Rated Speed 1800r/min
Rated Speed 1800 r/min
Stroke 6in
Torque Rise 18%
Bucket Capacity Range 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Cat Truck Match - High Lift 775-777
Cat Truck Match - Standard 773-775
Operating Weight - Standard 178517lb
Rated Payload - High Lift 17.5ton (US)
Rated Payload - Standard 17.5ton (US)
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8.2mile/h
Direct Drive - Forward 3 14.5mile/h
Direct Drive - Reverse 1 5.1mile/h
Direct Drive - Reverse 2 9.1mile/h
Direct Drive - Reverse 3 16mile/h
Forward - 1 4.6mile/h
Forward - 2 8.2mile/h
Forward - 3 14.5mile/h
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Reverse - 1 5.1mile/h
Reverse - 2 9.1mile/h
Reverse - 3 16mile/h
Transmission Type Cat planetary power shift
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)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit Positive flow control
Maximum Flow at 1,800 rpm 240gal/min
Pilot Relief Setting 507psi
Pilot System Open loop and pressure reducing
Relief Valve Setting - Lift/Tilt 4786psi
Dump 2.9s
Lower 3.7s
Lower Float Down 3.7s
Rack Back 4.3s
Raise 8.6s
Total Hydraulic Cycle Time - Empty Bucket 13.8s
Maximum Flow at 1,400 rpm 96.2gal/min
Relief Valve Setting - Steering 5004psi
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 70°
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
Front Fixed
Oscillation Angle 8.5°
Rear Trunnion
Brakes ISO 3450: 2011
Cooling System 54.9gal (US)
Differential - Final Drives - Front 71.6gal (US)
Differential - Final Drives - Rear 68.9gal (US)
Engine Crankcase 20gal (US)
Fuel Tank 281gal (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 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
Transmission 29.1gal (US)
Machine Sound Power Level (ISO 6395:2008) 116dB(A)
Machine Sound Power Level (ISO 6395:2008)* 114dB(A)
Note (1) *Sound suppression equipped
Note (2) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (3) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (4) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Operator Sound Pressure Level (ISO 6396:2008) 72dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* 72dB(A)
Machine Sound Power Level (ISO 6395:2008) 116dB(A)
Machine Sound Power Level (ISO 6395:2008)* 114dB(A)
Note (1) *Sound suppression equipped
Note (2) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (3) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (4) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Operator Sound Pressure Level (ISO 6396:2008) 72dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* 72dB(A)
B-Pin Height - Maximum Lift 19.7ft
Clearance at Maximum Lift 7.2ft
Dump Angle at Maximum Lift 45°
Front Axle Centerline to Bucket Tip 15.4ft
Ground to Bumper Clearance 3.5ft
Ground to Center of Front Axle 4.2ft
Ground to Lower Hitch Clearance 2ft
Ground to Top of Exhaust Stacks 16.6ft
Ground to Top of Hood 12.7ft
Ground to Top of ROPS 17.2ft
Maximum Overall Height - Bucket Raised 27.2ft
Maximum Overall Length 42.9ft
Note Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires.
Rack Angle at Maximum Lift 63.7°
Rack Back Angle at Carry 48.8°
Rack Back Angle at Ground Level 40.4°
Reach - Maximum Lift 7.2ft
Rear Axle - Centerline to Bumper 12.5ft
Wheel Base 15.1ft
B-Pin Height - Maximum Lift 21.2ft
Clearance at Maximum Lift 14.8ft
Dump Angle at Maximum Lift 51°
Front Axle Centerline to Bucket Tip 17.8ft
Ground to Bumper Clearance 3.5ft
Ground to Center of Front Axle 4.2ft
Ground to Lower Hitch Clearance 2ft
Ground to Top of Exhaust Stacks 16.6ft
Ground to Top of Hood 12.7ft
Ground to Top of ROPS 17.2ft
Maximum Overall Height - Bucket Raised 28.7ft
Maximum Overall Length 45.3ft
Note Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires.
Rack Angle at Maximum Lift 60.6°
Rack Back Angle at Carry 49.3°
Rack Back Angle at Ground Level 39.9°
Reach - Maximum Lift 8.5ft
Rear Axle - Centerline to Bumper 12.5ft
Wheel Base 15.1ft
Standard and optional equipment may vary. Consult your Cat dealer for details.
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
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)
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
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)
Standard and optional equipment may vary. Consult your Cat dealer for details.
–50° C (–58° F) antifreeze
Engine oil change system, high speed, Wiggins
Engine block heater 120V or 240V
High ambient cooling – software
Cat Detect, object detection system
AM/FM/CD/MP3 radio
Satellite Sirius radio with Bluetooth®
LED warning strobe
Mirrors heated
Window pull-down visor
Front and rear roading fenders
Fast fill fuel system (Shaw-Aero)
Millyard
Steel Mill