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 990 Wheel Loader |
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Engine |
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| Engine Model | C27 Cat® | - | - |
| Rated Speed | 1,800/min | - | - |
| Engine Power - ISO 14396:2002 | 752 hp | - | - |
| Gross Power - SAE J1995:2014 | 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 | 1649.5 in³ | - | - |
| Peak Torque - 1,200 rpm | 2624 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 |
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| 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 |
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| Operating Weight | 178517 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 |
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| 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 × 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 | 507 psi | - | - |
| Relief Valve Setting - Lift/Tilt | 4786 psi | - | - |
Hydraulic Cycle Times |
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| 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 |
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| 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 | 5004 psi | - | - |
| Total Steering Angle | 70° | - | - |
Air Conditioning System |
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| 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 |
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| Front | Fixed | - | - |
| Rear | Trunnion | - | - |
| Oscillation Angle | 8.5° | - | - |
Brakes |
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| Brakes | ISO 3450: 2011 | - | - |
Service Refill Capacities |
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| 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 |
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| Operator Sound Level (ISO 6396:2008) | 65.5 dB(A) | - | - |
| Machine Sound Level (ISO 6395:2008) | 115 dB(A) | - | - |
Sound Performance - Suppression |
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| Operator Sound Level (ISO 6396:2008) | 65.5 dB(A) | - | - |
| Machine Sound Level (ISO 6395:2008) | 113 dB(A) | - | - |
Buckets |
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| Bucket Capacities | 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³) | - | - |
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