990K Wheel Loader Steel Mill Arrangement
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 steel mill applications where larger machines have typically been used. The 990K Steel Mill Arrangement brings all new levels of performance, safety, operator comfort and efficiency in pit digging and skull handling applications.
Operating Weight | 92848 kg |
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Rated Payload | 15.88 t |
Rated Payload - Standard | 15.88 t |
Bucket Capacity Range | 8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3) |
Cat Truck Match - Standard | 773-775 |
Bucket Capacities | 8.6-9.2 m3 (11.2-12.0 yd3) |
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Net Power | 521 kW |
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Engine Model | Cat® C27 ™ |
Torque Rise | 18 % |
Bore | 137.2 mm |
Stroke | 152.4 mm |
Displacement | 27.03 l |
Rated Speed | 1800 r/min |
Emissions | Entspricht EPA Tier 4 Final/Tier 2 (USA) |
Gross - ISO 14396 | 561 kW |
Net Power - SAE J1349 | 521 kW |
Peak Torque - 1,200 rpm | 3557 N·m |
Rated Speed - Gross - ISO 14396 | 561 kW |
Rated Speed - Gross - SAE J1995 | 571 kW |
Rated Speed - Net Power - SAE J1349 - High Ambient | 483 kW |
Rated Speed - Net Power - SAE J1349 - Standard Ambient | 521 kW |
Forward - 1 | 7.3 km/h |
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Forward - 2 | 13.3 km/h |
Forward - 3 | 22.9 km/h |
Reverse - 1 | 7.9 km/h |
Reverse - 2 | 14.7 km/h |
Reverse - 3 | 24.9 km/h |
Direct Drive - Forward 1 | Lock-up disabled |
Direct Drive - Forward 2 | 13.7 km/h |
Direct Drive - Forward 3 | 24.5 km/h |
Direct Drive - Reverse 1 | 8.7 km/h |
Direct Drive - Reverse 2 | 15.4 km/h |
Direct Drive - Reverse 3 | 26.4 km/h |
Note | Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. |
Transmission Type | Cat-Planetenlastschaltgetriebe |
Front | Fixed |
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Oscillation Angle | 8.5° |
Rear | Trunnion |
Lift/Tilt System - Circuit | Positive flow control |
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Lift/Tilt System | Variable displacement piston |
Relief Valve Setting - Lift/Tilt | 33000 kPa |
Pilot System | Open loop and pressure reducing |
Cylinders, Double Acting - Lift, Bore and Stroke | 254 mm × 1264 mm (10.0 in × 49.8 in) |
Cylinders, Double Acting - Tilt, Bore and Stroke | 317.5 mm × 819 mm (12.5 in × 32.2 in) |
Maximum Flow at 1,800 rpm (1) | 84 l/min |
Maximum Flow at 1,800 rpm (2) | 817 l/min |
Relief Valve Setting - Main | 3500 kPa |
Relief Valve Setting - Steering | 32000 kPa |
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Total Steering Angle | 70° |
Maximum Flow at 1,400 rpm | 358 l/min |
Steering System - Circuit | Pilot, load sensing |
Steering System - Pump | Piston, variable displacement |
Fuel Tank | 1114 l |
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Cooling System | 208 l |
Transmission | 110 l |
Differential - Final Drives - Front | 271 l |
Differential - Final Drives - Rear | 261 l |
Engine Crankcase | 75.7 l |
Hydraulic System Factory Fill | 795 l |
Hydraulic Tank - Implement and Hydraulic Fan | 261 l |
Hydraulic Tank - Steering and Braking | 132 l |
Brakes | SAE J1473 OKT90, ISO 3450:1992 |
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Ground to Top of Exhaust Stacks | 5049 mm |
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Ground to Top of ROPS | 5240 mm |
Ground to Top of Hood | 3862 mm |
Ground to Center of Front Axle | 1186 mm |
Ground to Bumper Clearance | 1079 mm |
Ground to Lower Hitch Clearance | 596 mm |
Reach - Maximum Lift | 2193 mm |
Clearance at Maximum Lift | 4077 mm |
B-Pin Height - Maximum Lift | 5867 mm |
Maximum Overall Height - Bucket Raised | 8231 mm |
Rear Axle - Centerline to Bumper | 3795 mm |
Dump Angle at Maximum Lift | 47.4 degrees |
Rack Angle at Maximum Lift | 63.7 degrees |
Rack Back Angle - Carry | 48.8 degrees |
Rack Back Angle - Ground Level | 40.4 degrees |
Wheel Base | 4600 mm |
Maximum Overall Length | 12733 mm |
Front Axle Centerline to Bucket Tip | 4338 mm |
Dump | 2.9 s |
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Lower | 3.7 s |
Lower Float Down | 3.6 s |
Rack Back | 4.8 s |
Raise | 9.4 s |
Total Hydraulic Cycle Time - Empty Bucket | 15.9 s |
Machine Sound Level (ISO 6395:2008) | 115 dB(A) |
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Operator Sound Level (ISO 6396:2008) | 69 dB(A) |
Machine Sound Level (ISO 6395:2008) | 113 dB(A) |
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Operator Sound Level (ISO 6396:2008) | 69 dB(A) |