Get a quote990 Wheel Loader
Raising the bar for productivity and power
More Comfort – More Performance – More Versatility
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BETTER FUEL EFFICIENCY
Move more material with less fuel using economy mode
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LOWER MAINTENANCE COST
Make regular maintenance more convenient with grouped service points
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MORE PRODUCTIVITY
Deliver more productivity in most truck loading applications while using performance series buckets with increased capacities
Engine
| Bore | 5.4 in |
| Displacement | 1649.5 inÂł |
| 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 | 786 hp |
| Engine Power - ISO 14396:2002 | 752 hp |
| Gross Power - SAE J1995:2014 | 801 hp |
| Gross Power - SAE J1995:2014 | 766 hp |
| Net Power - SAE J1349:2011 - High Ambient | 681 hp |
| Net Power - SAE J1349:2011 - High Ambient | 648 hp |
| Net Power - SAE J1349:2011 - Standard Ambient | 732 hp |
| Net Power - SAE J1349:2011 - Standard Ambient | 699 hp |
| 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 | 2624 lb/ft |
| Rated Speed | 1800 r/min |
| Rated Speed | 1800 r/min |
| Stroke | 6 in |
| Torque Rise | 18 % |
Transmission
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 2 | 8.2 mile/h |
| Direct Drive - Forward 3 | 14.5 mile/h |
| Direct Drive - Reverse 1 | 5.1 mile/h |
| Direct Drive - Reverse 2 | 9.1 mile/h |
| Direct Drive - Reverse 3 | 16 mile/h |
| Forward - 1 | 4.6 mile/h |
| Forward - 2 | 8.2 mile/h |
| Forward - 3 | 14.5 mile/h |
| Note | Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. |
| Reverse - 1 | 5.1 mile/h |
| Reverse - 2 | 9.1 mile/h |
| Reverse - 3 | 16 mile/h |
| Transmission Type | Cat planetary power shift |
Operating Specifications
| 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 | 178517 lb |
| Rated Payload - High Lift | 17.5 ton (US) |
| Rated Payload - Standard | 17.5 ton (US) |
Hydraulic System - Lift/Tilt
| Cylinders, Double Acting - Lift, Bore and Stroke | 235 mm Ă— 1287 mm (9.3 in Ă— 50.7 in) |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 292.1 mm Ă— 820 mm (11.5 in Ă— 32.3 in) |
| Lift/Tilt System | Variable displacement piston |
| Lift/Tilt System - Circuit | Positive flow control |
| Maximum Flow at 1,800 rpm | 240 gal/min |
| Pilot Relief Setting | 507 psi |
| Pilot System | Open loop and pressure reducing |
| Relief Valve Setting - Lift/Tilt | 4786 psi |
Hydraulic Cycle Times
| Dump | 2.9 s |
| Lower | 3.7 s |
| Lower Float Down | 3.7 s |
| Rack Back | 4.3 s |
| Raise | 8.6 s |
| Total Hydraulic Cycle Time - Empty Bucket | 13.8 s |
Hydraulic System - Steering
| Maximum Flow at 1,400 rpm | 96.2 gal/min |
| Relief Valve Setting - Steering | 5004 psi |
| 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 |
| Oscillation Angle | 8.5° |
| Rear | Trunnion |
Brakes
| Brakes | ISO 3450: 2011 |
Service Refill Capacities
| Cooling System | 54.9 gal (US) |
| Differential - Final Drives - Front | 71.6 gal (US) |
| Differential - Final Drives - Rear | 68.9 gal (US) |
| Engine Crankcase | 20 gal (US) |
| Fuel Tank | 281 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 | 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. |
| Transmission | 29.1 gal (US) |
Sound Performance - Tier 4 Final / Stage V
| Machine Sound Power Level (ISO 6395:2008) | 116 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. |
| Operator Sound Pressure Level (ISO 6396:2008) | 72 dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) |
Sound Performance - Tier 2
| Machine Sound Power Level (ISO 6395:2008) | 116 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. |
| Operator Sound Pressure Level (ISO 6396:2008) | 72 dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) |
Dimensions (Approximate) - Standard Lift Linkage
| B-Pin Height - Maximum Lift | 19.7 ft |
| Clearance at Maximum Lift | 7.2 ft |
| Dump Angle at Maximum Lift | 45° |
| Front Axle Centerline to Bucket Tip | 15.4 ft |
| Ground to Bumper Clearance | 3.5 ft |
| Ground to Center of Front Axle | 4.2 ft |
| Ground to Lower Hitch Clearance | 2 ft |
| Ground to Top of Exhaust Stacks | 16.6 ft |
| Ground to Top of Hood | 12.7 ft |
| Ground to Top of ROPS | 17.2 ft |
| Maximum Overall Height - Bucket Raised | 27.2 ft |
| Maximum Overall Length | 42.9 ft |
| 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 | 7.2 ft |
| Rear Axle - Centerline to Bumper | 12.5 ft |
| Wheel Base | 15.1 ft |
Dimensions (Approximate) - High Lift Linkage
| B-Pin Height - Maximum Lift | 21.2 ft |
| Clearance at Maximum Lift | 14.8 ft |
| Dump Angle at Maximum Lift | 51° |
| Front Axle Centerline to Bucket Tip | 17.8 ft |
| Ground to Bumper Clearance | 3.5 ft |
| Ground to Center of Front Axle | 4.2 ft |
| Ground to Lower Hitch Clearance | 2 ft |
| Ground to Top of Exhaust Stacks | 16.6 ft |
| Ground to Top of Hood | 12.7 ft |
| Ground to Top of ROPS | 17.2 ft |
| Maximum Overall Height - Bucket Raised | 28.7 ft |
| Maximum Overall Length | 45.3 ft |
| 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 | 8.5 ft |
| Rear Axle - Centerline to Bumper | 12.5 ft |
| Wheel Base | 15.1 ft |
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Engine
| Bore | 5.4 in |
| Displacement | 1649.5 inÂł |
| 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 | 786 hp |
| Engine Power - ISO 14396:2002 | 752 hp |
| Gross Power - SAE J1995:2014 | 801 hp |
| Gross Power - SAE J1995:2014 | 766 hp |
| Net Power - SAE J1349:2011 - High Ambient | 681 hp |
| Net Power - SAE J1349:2011 - High Ambient | 648 hp |
| Net Power - SAE J1349:2011 - Standard Ambient | 732 hp |
| Net Power - SAE J1349:2011 - Standard Ambient | 699 hp |
| 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 | 2624 lb/ft |
| Rated Speed | 1800 r/min |
| Rated Speed | 1800 r/min |
| Stroke | 6 in |
| Torque Rise | 18 % |
Transmission
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 2 | 8.2 mile/h |
| Direct Drive - Forward 3 | 14.5 mile/h |
| Direct Drive - Reverse 1 | 5.1 mile/h |
| Direct Drive - Reverse 2 | 9.1 mile/h |
| Direct Drive - Reverse 3 | 16 mile/h |
| Forward - 1 | 4.6 mile/h |
| Forward - 2 | 8.2 mile/h |
| Forward - 3 | 14.5 mile/h |
| Note | Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. |
| Reverse - 1 | 5.1 mile/h |
| Reverse - 2 | 9.1 mile/h |
| Reverse - 3 | 16 mile/h |
| Transmission Type | Cat planetary power shift |
Operating Specifications
| 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 | 178517 lb |
| Rated Payload - High Lift | 17.5 ton (US) |
| Rated Payload - Standard | 17.5 ton (US) |
Hydraulic System - Lift/Tilt
| Cylinders, Double Acting - Lift, Bore and Stroke | 235 mm Ă— 1287 mm (9.3 in Ă— 50.7 in) |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 292.1 mm Ă— 820 mm (11.5 in Ă— 32.3 in) |
| Lift/Tilt System | Variable displacement piston |
| Lift/Tilt System - Circuit | Positive flow control |
| Maximum Flow at 1,800 rpm | 240 gal/min |
| Pilot Relief Setting | 507 psi |
| Pilot System | Open loop and pressure reducing |
| Relief Valve Setting - Lift/Tilt | 4786 psi |
Hydraulic Cycle Times
| Dump | 2.9 s |
| Lower | 3.7 s |
| Lower Float Down | 3.7 s |
| Rack Back | 4.3 s |
| Raise | 8.6 s |
| Total Hydraulic Cycle Time - Empty Bucket | 13.8 s |
Hydraulic System - Steering
| Maximum Flow at 1,400 rpm | 96.2 gal/min |
| Relief Valve Setting - Steering | 5004 psi |
| 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 |
| Oscillation Angle | 8.5° |
| Rear | Trunnion |
Brakes
| Brakes | ISO 3450: 2011 |
Service Refill Capacities
| Cooling System | 54.9 gal (US) |
| Differential - Final Drives - Front | 71.6 gal (US) |
| Differential - Final Drives - Rear | 68.9 gal (US) |
| Engine Crankcase | 20 gal (US) |
| Fuel Tank | 281 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 | 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. |
| Transmission | 29.1 gal (US) |
Sound Performance - Tier 4 Final / Stage V
| Machine Sound Power Level (ISO 6395:2008) | 116 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. |
| Operator Sound Pressure Level (ISO 6396:2008) | 72 dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) |
Sound Performance - Tier 2
| Machine Sound Power Level (ISO 6395:2008) | 116 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. |
| Operator Sound Pressure Level (ISO 6396:2008) | 72 dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) |
Dimensions (Approximate) - Standard Lift Linkage
| B-Pin Height - Maximum Lift | 19.7 ft |
| Clearance at Maximum Lift | 7.2 ft |
| Dump Angle at Maximum Lift | 45° |
| Front Axle Centerline to Bucket Tip | 15.4 ft |
| Ground to Bumper Clearance | 3.5 ft |
| Ground to Center of Front Axle | 4.2 ft |
| Ground to Lower Hitch Clearance | 2 ft |
| Ground to Top of Exhaust Stacks | 16.6 ft |
| Ground to Top of Hood | 12.7 ft |
| Ground to Top of ROPS | 17.2 ft |
| Maximum Overall Height - Bucket Raised | 27.2 ft |
| Maximum Overall Length | 42.9 ft |
| 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 | 7.2 ft |
| Rear Axle - Centerline to Bumper | 12.5 ft |
| Wheel Base | 15.1 ft |
Dimensions (Approximate) - High Lift Linkage
| B-Pin Height - Maximum Lift | 21.2 ft |
| Clearance at Maximum Lift | 14.8 ft |
| Dump Angle at Maximum Lift | 51° |
| Front Axle Centerline to Bucket Tip | 17.8 ft |
| Ground to Bumper Clearance | 3.5 ft |
| Ground to Center of Front Axle | 4.2 ft |
| Ground to Lower Hitch Clearance | 2 ft |
| Ground to Top of Exhaust Stacks | 16.6 ft |
| Ground to Top of Hood | 12.7 ft |
| Ground to Top of ROPS | 17.2 ft |
| Maximum Overall Height - Bucket Raised | 28.7 ft |
| Maximum Overall Length | 45.3 ft |
| 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 | 8.5 ft |
| Rear Axle - Centerline to Bumper | 12.5 ft |
| Wheel Base | 15.1 ft |