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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.
Cat C27 engine is built and tested to meet your most demanding applications. &nb…
Two engine emission options are available that meet U.S. EPA Tier 4 Final and EU Stage V emission standar…
Increased efficiency material per gallon of fuel. Economy mode for reduced…
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10% lower maintenance costs. Grouped service points. &n…
Standard stairway lighting. Left- and right-hand stairs with 45-degree ang…
World-class operator comfort and ergonomics. Premium seat with heated and…
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World-class transmission for long life and consistent, smooth shifting; specifically designed for mining…
Specification | Value |
Engine Power - ISO 14396:2002 | 586 kW |
Engine Model | Cat® C27 |
Emissions | Option 1 - U.S. EPA Tier 4 Final/EU Stage V |
Rated Speed | 1.800 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 |
Emissions | Option 2 - Emits equivalent to U.S. EPA Tier 2 |
Rated Speed | 1800 r/min |
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 | 3.557 N·m |
Torque Rise | 18 % |
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. |
Specification | Value |
Transmission Type | Cat planetary power shift |
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 1 | Lock-up disabled |
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 |
Note | Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. |
Specification | Value |
Operating Weight - Standard | 80.974 kg |
Bucket Capacity Range | 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³) |
Rated Payload - Standard | 15.9 t |
Rated Payload - High Lift | 15.9 t |
Cat Truck Match - Standard | 773-775 |
Cat Truck Match - High Lift | 775-777 |
Specification | Value |
Lift/Tilt System - Circuit | Positive flow control |
Lift/Tilt System | Variable displacement piston |
Maximum Flow at 1,800 rpm | 910 l/min |
Relief Valve Setting - Lift/Tilt | 33.000 kPa |
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 |
Pilot Relief Setting | 3.500 kPa |
Specification | Value |
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 |
Specification | Value |
Steering System - Circuit | Pilot, load sensing |
Steering System - Pump | Piston, variable displacement |
Maximum Flow at 1,400 rpm | 364 l/min |
Relief Valve Setting - Steering | 34.500 kPa |
Total Steering Angle | 70° |
Specification | Value |
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). |
Specification | Value |
Front | Fixed |
Rear | Trunnion |
Oscillation Angle | 8.5° |
Specification | Value |
Brakes | ISO 3450: 2011 |
Specification | Value |
Fuel Tank | 1.064 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 |
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. |
Specification | Value |
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) |
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. |
Specification | Value |
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) |
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. |
Specification | Value |
Ground to Top of ROPS | 5.240 mm |
Ground to Top of Exhaust Stacks | 5.049 mm |
Ground to Top of Hood | 3.862 mm |
Ground to Bumper Clearance | 1.079 mm |
Rear Axle - Centerline to Bumper | 3.795 mm |
Front Axle Centerline to Bucket Tip | 4.689 mm |
Wheel Base | 4.600 mm |
Maximum Overall Length | 13.084 mm |
Ground to Lower Hitch Clearance | 596 mm |
Ground to Center of Front Axle | 1.290 mm |
Clearance at Maximum Lift | 4.044 mm |
Rack Back Angle at Ground Level | 40.4° |
Rack Back Angle at Carry | 48.8° |
B-Pin Height - Maximum Lift | 6.009 mm |
Maximum Overall Height - Bucket Raised | 8.281 mm |
Rack Angle at Maximum Lift | 63.7° |
Dump Angle at Maximum Lift | 45° |
Reach - Maximum Lift | 2.194 mm |
Note | Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires. |
Specification | Value |
Ground to Top of ROPS | 5.240 mm |
Ground to Top of Exhaust Stacks | 5.049 mm |
Ground to Top of Hood | 3.862 mm |
Ground to Bumper Clearance | 1.079 mm |
Rear Axle - Centerline to Bumper | 3.795 mm |
Front Axle Centerline to Bucket Tip | 5.425 mm |
Wheel Base | 4.600 mm |
Maximum Overall Length | 13.820 mm |
Ground to Lower Hitch Clearance | 596 mm |
Ground to Center of Front Axle | 1.290 mm |
Clearance at Maximum Lift | 4.521 mm |
Rack Back Angle at Ground Level | 39.9° |
Rack Back Angle at Carry | 49.3° |
B-Pin Height - Maximum Lift | 6.470 mm |
Maximum Overall Height - Bucket Raised | 8.742 mm |
Rack Angle at Maximum Lift | 60.6° |
Dump Angle at Maximum Lift | 51° |
Reach - Maximum Lift | 2.583 mm |
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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Mantrac Tanzania Ltd.
Plot no 4A
Nyerere Road
P.O. Box 9262
Dar es Salaam
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