Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
The Caterpillar 990K Wheel Loader is a powerhouse of functionality and efficiency, equipped with a Cat C27 ACERT engine delivering a net power of 699 horsepower and peak torque of 2624 lb-ft. Its hydraulic system operates with precision and speed, featuring variable displacement pistons for lift/tilt functions and positive flow control for enhanced performance. With impressive operating specifications including a rated payload of 38,580.9 lbs and a tipping load of 92,990 lbs, this wheel loader is a reliable and versatile asset in heavy-duty construction and mining operations.
| Breakout Force | 132,617.00 lbs ft (179,802.13 nm) Starting 2023 Model Year |
| Bucket Capacity | 9.7 - 19.5 (7.4 - 14.9) Starting 2024 Model Year |
| Bucket Capacity cu. yd. (cu m) | 11.3 - 13.0 (8.6 - 9.9) Starting 2016 Model Year |
| Engine | C27 Starting 2023 Model Year |
| Engine Power | 699 (521) Starting 2019 Model Year |
| Engine Power hp (kw) | 699 (521) Starting 2016 Model Year |
| Engine type | Cat C27 Starting 2024 Model Year |
| Full-Turn Tip Load | 97,401.00 lbs (44,180.41 kg) Starting 2021 Model Year |
| Full-Turn Tipping Load | 97,401.00 lbs (44,180.41 kg) Starting 2023 Model Year |
| Max Dump Height | 13.0 (4.0) Starting 2019 Model Year |
| Max Dump Height ft.( m) | 7.2 (2.2) Starting 2016 Model Year |
| Net Power | 814.00 hp (607.01 kw) Starting 2023 Model Year |
| Operating Weight | 179,233 (81,299) Starting 2024 Model Year |
| Operating Weight lbs (kg) | 178,517 (80,974) Starting 2016 Model Year |
| Tip Load | 108,644 (49,280) Starting 2024 Model Year |
| Travel Speed | 15.2 / 16.4 mph Starting 2024 Model Year |
| Travel Speed(Fwd/Rev) | 15.2 / 16.4 mph Starting 2021 Model Year |
| Front | Fixed |
| Oscillation Angle | 8.5 degrees |
| Rear | Trunnion |
| Brakes | SAE J1473 OCT90 ISO 3450:1992 |
| Bore | 5.40 in (13.72 cm) |
| Displacement | 1,649.50 cu in (27,030.52 cu cm) |
| Engine Model | Cat C27 ACERT |
| Gross - ISO 14396 | 752.00 hp (560.78 kw) |
| Make | Cat |
| Net Power | 699.00 hp (521.25 kw) |
| Net Power - SAE J1349 | 699.00 hp (521.25 kw) |
| Peak Torque - 1,200 rpm | 2,624.00 lbs ft (3,557.62 nm) |
| Rated Speed | 1800 rpm |
| Stroke | 6.00 in (15.24 cm) |
| Torque Rise | 18% |
| Dump | 2.9 seconds |
| Lower | 3.7 seconds |
| Lower Float Down | 3.6 seconds |
| Lift/Tilt System | Variable displacement piston |
| Lift/Tilt System - Circuit | Positive flow control |
| Pilot System | Open loop and pressure reducing |
| Relief Valve Setting | 507 psi |
| Relief Valve Setting - Lift/Tilt | 4786 psi |
| Relief Valve Setting - Steering | 4641 psi |
| Steering System - Circuit | Pilot load sensing |
| Steering System - Pump | Piston variable displacement |
| Cat Truck Match - High Lift | 775-777 |
| Cat Truck Match - Standard | 773-775 |
| Rated Payload | 38,580.90 lbs (17,500.02 kg) |
| Rated Payload - High Lift | 35,000.00 lbs (15,875.75 kg) |
| Tipping Load - Straight | 92,990.00 lbs (42,179.61 kg) |
| Cooling System | 54.90 gal (207.80 l) |
| Differential - Final Drives - Front | 71.60 gal (271.01 l) |
| Differential - Final Drives - Rear | 68.90 gal (260.79 l) |
| Engine Crankcase | 20.00 gal (75.70 l) |
| Fuel Tank | 294.30 gal (1,113.93 l) |
| Hydraulic System Factory Fill | 210.00 gal (794.85 l) |
| Transmission | 29.10 gal (110.14 l) |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 2 | 8.50 mph (13.68 kph) |
| Direct Drive - Forward 3 | 15.20 mph (24.46 kph) |
| Direct Drive - Reverse 1 | 5.40 mph (8.69 kph) |
| Direct Drive - Reverse 2 | 9.60 mph (15.45 kph) |
| Direct Drive - Reverse 3 | 16.40 mph (26.39 kph) |
| Forward - 1 | 4.50 mph (7.24 kph) |
| Forward - 2 | 8.30 mph (13.36 kph) |
| Forward - 3 | 14.20 mph (22.85 kph) |
| Reverse - 1 | 4.90 mph (7.89 kph) |
| Reverse - 2 | 9.10 mph (14.64 kph) |
| Reverse - 3 | 15.50 mph (24.94 kph) |
| Transmission Type | Cat planetary power shift |