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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. The 990K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 990K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.
| Net Power | 699 HP |
| Engine Model | Cat® C27 ™ |
| Bore | 5.4 in |
| Stroke | 6 in |
| Displacement | 1649.5 in³ |
| Torque Rise | 18 % |
| Rated Speed | 1,800/min |
| Rated Speed - Gross - ISO 14396 | 752 HP |
| Gross - ISO 14396 | 752 HP |
| Net Power - SAE J1349 | 699 HP |
| Rated Speed - Net Power - SAE J1349 - Standard Ambient | 699 HP |
| Rated Speed - Net Power - SAE J1349 - High Ambient | 648 HP |
| Peak Torque - 1,200 rpm | 2624 lb/ft |
| Rated Speed - Gross - SAE J1995 | 766 HP |
| Emissions | U.S. EPA Tier 4 Final or Tier 2 equivalent |
| Operating Weight | 202398 lb |
| Tipping Load - Straight | 92990 lb |
| Tipping Load - Articulated 35° | 81896 lb |
| 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 3 | 15.2 mile/h |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Reverse 3 | 16.4 mile/h |
| Direct Drive - Reverse 1 | 5.4 mile/h |
| Direct Drive - Reverse 2 | 9.6 mile/h |
| Direct Drive - Forward 2 | 8.5 mile/h |
| Note | Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. |
| Maximum Flow at 1,800 rpm (1) | 216 gal/min |
| Lift/Tilt System - Circuit | Positive flow control |
| Relief Valve Setting - Lift/Tilt | 4786 psi |
| Maximum Flow at 1,800 rpm (2) | 22.2 gal/min |
| Relief Valve Setting - Main | 507 psi |
| Pilot System | Open loop and pressure reducing |
| Lift/Tilt System | Variable displacement piston |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 317.5 mm × 819 mm (12.5 in × 32.2 in) |
| Cylinders, Double Acting - Lift, Bore and Stroke | 254 mm × 1264 mm (10.0 in × 49.8 in) |
| Raise | 9.4 s |
| Dump | 2.9 s |
| Lower Float Down | 3.6 s |
| Lower | 3.7 s |
| Rack Back | 4.8 s |
| Fuel Tank | 294.3 gal (US) |
| Cooling System | 54.9 gal (US) |
| Transmission | 29.1 gal (US) |
| Hydraulic Tank - Steering and Braking | 34.9 gal (US) |
| Differential - Final Drives - Rear | 68.9 gal (US) |
| Engine Crankcase | 20 gal (US) |
| Differential - Final Drives - Front | 71.6 gal (US) |
| Hydraulic Tank - Implement and Hydraulic Fan | 68.9 gal (US) |
| Hydraulic System Factory Fill | 210 gal (US) |
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | 8.5° |
| Brakes | SAE J1473 OKT90, ISO 3450:1992 |
| Relief Valve Setting - Steering | 4641 psi |
| Maximum Flow at 1,400 rpm | 94.5 gal/min |
| Steering System - Circuit | Pilot, load sensing |
| Total Steering Angle | 70° |
| Steering System - Pump | Piston, variable displacement |
| Machine Sound Level (ISO 6395:2008) | 115 dB(A) |
| Operator Sound Level (ISO 6396:2008) | 69 dB(A) |
| Operator Sound Level (ISO 6396:2008) | 69 dB(A) |
| Machine Sound Level (ISO 6395:2008) | 113 dB(A) |
| Ground to Top of Exhaust Stacks | 16.6 ft |
| Fork Height at Maximum Lift | 18.3 ft |
| Ground to Top of Hood | 12.7 ft |
| Ground to Top of ROPS | 17.2 ft |
| Fork Top Clamp Opening | 12.3 ft |
| Maximum Overall Length | 45.4 ft |
| Ground to Lower Hitch Clearance | 2 ft |
| Ground to Bumper Clearance | 3.1 ft |
| Fork Height with Level Arms | 8.9 ft |
| Front Axle Centerline to Fork Tip | 17.6 ft |
| Rear Axle - Centerline to Bumper | 12.5 ft |
| Ground to Center of Front Axle | 3.9 ft |
| Hinge Pin Height at Maximum Lift | 19.4 ft |
| Wheel Base | 15.1 ft |
| Dump Angle at Maximum Lift | 29.3 degrees |
| Fork End Area | 78 ft² |
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