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990K Wheel Loader
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Product Specs
Operating Specifications
| 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 |
Engine
| 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 |
Buckets
| Bucket Capacities | 7,4-14,9 m³ (9,7-19,5 yd³) |
Transmission
| 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. |
Axles
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | 8.5° |
Hydraulic Cycle Times
| 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 |
Service Refill Capacities
| 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: http://parts.cat.com/cda/files/3244668/7/SEBU6250-19.pdf. |
Hydraulic System - Lift/Tilt
| 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 |
Sound Performance - Suppression
| Operator Sound Level (ISO 6396:2008) | 69 dB(A) |
| Machine Sound Level (ISO 6395:2008) | 113 dB(A) |
Sound Performance - Standard
| Machine Sound Level (ISO 6395:2008) | 115 dB(A) |
| Operator Sound Level (ISO 6396:2008) | 69 dB(A) |
Hydraulic System - Steering
| 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 |
Operator's Cab
| ROPS/FOPS | ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards |
Brakes
| Brakes | ISO 3450: 2011 |