Large Wheel Loaders, 990 Wheel Loader, Cat® C27
Large Wheel Loaders
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.
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Engine
| Engine Model | Cat® C27 |
| Emissions | Option 1 - U.S. EPA Tier 4 Final/EU Stage V |
| Emissions | Option 2 - Emits equivalent to U.S. EPA Tier 2 |
| Rated Speed | 1800 r/min |
| 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. |
Transmission
| Transmission Type | Cat planetary power shift |
| Direct Drive - Forward 1 | Lock-up disabled |
| Note | Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. |
Operating Specifications
| 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 |
| 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 |
Hydraulic System - Steering
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Total Steering Angle | 70° |
Air Conditioning System
| 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 contains 2.7 kg (5.9 lb) 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
| 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 ester)* • 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. – Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, API CK-4, and/or ACEA E9 specifications are required. – Diesel Exhaust Fluid (DEF) that meets all requirements defined in ISO 22241-1:2006. |
Sound Performance - Tier 4 Final / Stage V
| 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. |
Sound Performance - Tier 2
| 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. |
Dimensions (Approximate) - Standard Lift Linkage
| Rack Back Angle at Ground Level | 40.4° |
| Rack Back Angle at Carry | 48.8° |
| Rack Angle at Maximum Lift | 63.7° |
| Dump Angle at Maximum Lift | 45° |
| Note | Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires. |
Dimensions (Approximate) - High Lift Linkage
| Rack Back Angle at Ground Level | 39.9° |
| Rack Back Angle at Carry | 49.3° |
| Rack Angle at Maximum Lift | 60.6° |
| Dump Angle at Maximum Lift | 51° |
| Note | Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires. |
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Engine
| Engine Power - ISO 14396:2002 | 586 kW |
| Rated Speed | 1800 r/min |
| Gross Power - SAE J1995:2014 | 597 kW |
| Net Power - SAE J1349:2011 - Standard Ambient | 546 kW |
| Net Power - SAE J1349:2011 - High Ambient | 508 kW |
| Engine Power - ISO 14396:2002 | 561 kW |
| Gross Power - SAE J1995:2014 | 571 kW |
| Net Power - SAE J1349:2011 - Standard Ambient | 521 kW |
| Net Power - SAE J1349:2011 - High Ambient | 483 kW |
| Bore | 137.2 mm |
| Stroke | 152.4 mm |
| Displacement | 27.03 l |
| Peak Torque - 1,200 rpm | 3557 N·m |
| Torque Rise | 18 % |
Transmission
| Forward - 1 | 7.4 km/h |
| Forward - 2 | 13.2 km/h |
| Forward - 3 | 23.3 km/h |
| Reverse - 1 | 8.15 km/h |
| Reverse - 2 | 14.6 km/h |
| Reverse - 3 | 25.7 km/h |
| Direct Drive - Forward 2 | 13.2 km/h |
| Direct Drive - Forward 3 | 23.3 km/h |
| Direct Drive - Reverse 1 | 8.15 km/h |
| Direct Drive - Reverse 2 | 14.6 km/h |
| Direct Drive - Reverse 3 | 25.7 km/h |
Operating Specifications
| Operating Weight - Standard | 80974 kg |
| Rated Payload - Standard | 15.9 t |
| Rated Payload - High Lift | 15.9 t |
Hydraulic System - Lift/Tilt
| Maximum Flow at 1,800 rpm | 910 L/min |
| Relief Valve Setting - Lift/Tilt | 33000 kPa |
| Pilot Relief Setting | 3500 kPa |
Hydraulic Cycle Times
| Rack Back | 4.3 s |
| Raise | 8.6 s |
| Dump | 2.9 s |
| Lower | 3.7 s |
| Lower Float Down | 3.7 s |
| Total Hydraulic Cycle Time - Empty Bucket | 13.8 s |
Hydraulic System - Steering
| Maximum Flow at 1,400 rpm | 364 L/min |
| Relief Valve Setting - Steering | 34500 kPa |
Service Refill Capacities
| Fuel Tank | 1064 l |
| Cooling System | 208 l |
| Engine Crankcase | 75.7 l |
| Transmission | 110 l |
| Differential - Final Drives - Front | 271 l |
| Differential - Final Drives - Rear | 261 l |
| Hydraulic System Factory Fill | 795 l |
| Hydraulic Tank - Implement and Hydraulic Fan | 261 l |
| Hydraulic Tank - Steering and Braking | 132 l |
Sound Performance - Tier 4 Final / Stage V
| Operator Sound Pressure Level (ISO 6396:2008) | 72 dB(A) |
| Machine Sound Power Level (ISO 6395:2008) | 116 dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) |
| Machine Sound Power Level (ISO 6395:2008)* | 114 dB(A) |
Sound Performance - Tier 2
| Operator Sound Pressure Level (ISO 6396:2008) | 72 dB(A) |
| Machine Sound Power Level (ISO 6395:2008) | 116 dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) |
| Machine Sound Power Level (ISO 6395:2008)* | 114 dB(A) |
Dimensions (Approximate) - Standard Lift Linkage
| Ground to Top of ROPS | 5240 mm |
| Ground to Top of Exhaust Stacks | 5049 mm |
| Ground to Top of Hood | 3862 mm |
| Ground to Bumper Clearance | 1079 mm |
| Rear Axle - Centerline to Bumper | 3795 mm |
| Front Axle Centerline to Bucket Tip | 4689 mm |
| Wheel Base | 4600 mm |
| Maximum Overall Length | 13084 mm |
| Ground to Lower Hitch Clearance | 596 mm |
| Ground to Center of Front Axle | 1290 mm |
| Clearance at Maximum Lift | 4044 mm |
| B-Pin Height - Maximum Lift | 6009 mm |
| Maximum Overall Height - Bucket Raised | 8281 mm |
| Reach - Maximum Lift | 2194 mm |
Dimensions (Approximate) - High Lift Linkage
| Ground to Top of ROPS | 5240 mm |
| Ground to Top of Exhaust Stacks | 5049 mm |
| Ground to Top of Hood | 3862 mm |
| Ground to Bumper Clearance | 1079 mm |
| Rear Axle - Centerline to Bumper | 3795 mm |
| Front Axle Centerline to Bucket Tip | 5425 mm |
| Wheel Base | 4600 mm |
| Maximum Overall Length | 13820 mm |
| Ground to Lower Hitch Clearance | 596 mm |
| Ground to Center of Front Axle | 1290 mm |
| Clearance at Maximum Lift | 4521 mm |
| B-Pin Height - Maximum Lift | 6470 mm |
| Maximum Overall Height - Bucket Raised | 8742 mm |
| Reach - Maximum Lift | 2583 mm |
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NOTE
OPERATOR ENVIRONMENT
- - 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
POWERTRAIN
- - 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)
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
- - Auxiliary start receptacle
OTHER
- - 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)
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POWERTRAIN
- - –50° C (–58° F) antifreeze
- - Engine oil change system, high speed, Wiggins
- - Engine block heater 120V or 240V
- - High ambient cooling – software
OPERATOR ENVIRONMENT
- - Cat Detect, object detection system
- - AM/FM/CD/MP3 radio
- - Satellite Sirius radio with Bluetooth®
- - LED warning strobe
- - Mirrors heated
- - Window pull-down visor
OTHER
- - Front and rear roading fenders
- - Fast fill fuel system (Shaw-Aero)
OTHER OPTIONAL CONFIGURATIONS
- - Millyard
- - Steel Mill
