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Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. The Cat 990 Wheel Loader has been a proven performer in mines, quarries and industrial applications around the world. The 990K brings all new levels of performance, safety, operator comfort and efficiency.
| Rated Payload - Loose Material (Standard) | 20 ton (US) |
| Rated Payload - Loose Material (High Lift) | 22 ton (US) |
| Rated Payload - Standard (Quarry Face) | 17.5 ton (US) |
| Rated Payload - High Lift (Quarry Face) | 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 |
| Operating Weight | 178517 lb |
| Net Power | 699 HP |
| Engine Model | C27 Cat® |
| Bore | 5.4 in |
| Stroke | 6 in |
| Displacement | 1649.5 in³ |
| Torque Rise | 18 % |
| Rated Speed | 1,800/min |
| Rated Speed - Net Power - SAE J1349 - Standard Ambient | 699 HP |
| Rated Speed - Net Power - SAE J1349 - High Ambient | 648 HP |
| Rated Speed - Gross - SAE J1995 | 766 HP |
| Net Power - SAE J1349 | 699 HP |
| Emissions | U.S. EPA Tier 4 Final OR Tier 2 Equivalent |
| Rated Speed - Gross - ISO 14396 | 752 HP |
| Gross - ISO 14396 | 752 HP |
| Peak Torque - 1,200 rpm | 2624 lb/ft |
| Bucket Capacities | 7,4-14,9 m³ (9,7-19,5 yd³) |
| Transmission Type | Cat-Planetenlastschaltgetriebe |
| 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. |
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | 8.5° |
| Raise | 8.2 s |
| Dump | 2.9 s |
| Lower Float Down | 3.6 s |
| Lower | 3.7 s |
| Total Hydraulic Cycle Time - Empty Bucket | 13.8 s |
| Rack Back | 4.3 s |
| Fuel Tank | 294.3 gal (US) |
| Cooling System | 54.9 gal (US) |
| Transmission | 29.1 gal (US) |
| Hydraulic Tank - Implement and Hydraulic Fan | 68.9 gal (US) |
| Differential - Final Drives - Rear | 68.9 gal (US) |
| Differential - Final Drives - Front | 71.6 gal (US) |
| Hydraulic Tank - Steering and Braking | 34.9 gal (US) |
| Engine Crankcase | 20 gal (US) |
| Hydraulic System Factory Fill | 210 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 less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214. Cat DEO‑ULS™ or oils that meet the Cat ECF-3, API CJ‑4, and ACEA E9 specification are required. For further fluid specifications and guidelines, visit: https://parts.cat.com/cda/files/3244668/7/SEBU6250-19.pdf. |
| Pilot System | Open loop and pressure reducing |
| Maximum Flow at 1,800 rpm (1) | 216 gal/min |
| Cylinders, Double Acting - Lift, Bore and Stroke | 235 mm × 1287 mm (9.3 in × 50.7 in) |
| Relief Valve Setting - Lift/Tilt | 4786 psi |
| Maximum Flow at 1,800 rpm (2) | 22.2 gal/min |
| Relief Valve Setting - Main | 507 psi |
| Lift/Tilt System - Circuit | Positive flow control |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 292.1 mm × 820 mm (11.5 in × 32.3 in) |
| Lift/Tilt System | Variable displacement piston |
| Operator Sound Level (ISO 6396:2008) | 69 dB(A) |
| Machine Sound Level (ISO 6395:2008) | 113 dB(A) |
| Machine Sound Level (ISO 6395:2008) | 115 dB(A) |
| Operator Sound Level (ISO 6396:2008) | 69 dB(A) |
| Total Steering Angle | 70° |
| Steering System - Pump | Piston, variable displacement |
| Steering System - Circuit | Pilot, load sensing |
| Steering | ISO 5010: 2007 |
| Relief Valve Setting - Steering | 4641 psi |
| Maximum Flow at 1,400 rpm | 94.5 gal/min |
| ROPS/FOPS | ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards |
| Brakes | ISO 3450: 2011 |
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