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 990 brings all new levels of performance, safety, operator comfort and efficiency.
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Operating Weight | 178517lb80974kg |
Rated Payload - Loose Material (Standard) | 20ton (US)22t |
Rated Payload - Loose Material (High Lift) | 22ton (US)20t |
Rated Payload - Standard (Quarry Face) | 17.5ton (US)15.9t |
Rated Payload - High Lift (Quarry Face) | 17.5ton (US)15.9t |
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 |
Raise | 8.2s8.2s |
Dump | 2.9s2.9s |
Rack Back | 4.3s4.3s |
Lower Float Down | 3.6s3.6s |
Lower | 3.7s3.7s |
Total Hydraulic Cycle Time - Empty Bucket | 13.8s13.8s |
Net Power | 699HP521kW |
Engine Model | C27 Cat® |
Bore | 5.4in137.2mm |
Stroke | 6in152.4mm |
Displacement | 1649.5in³27.03l |
Torque Rise | 18%18% |
Rated Speed | 1,800/min |
Emissions | U.S. EPA Tier 4 Final OR Tier 2 Equivalent |
Rated Speed - Gross - SAE J1995 | 766HP571kW |
Peak Torque - 1,200 rpm | 2624lb/ft3557N·m |
Gross - ISO 14396 | 752HP561kW |
Rated Speed - Gross - ISO 14396 | 752HP561kW |
Rated Speed - Net Power - SAE J1349 - Standard Ambient | 699HP521kW |
Rated Speed - Net Power - SAE J1349 - High Ambient | 648HP483kW |
Net Power - SAE J1349 | 699HP521kW |
Brakes | ISO 3450: 2011 |
Relief Valve Setting - Steering | 4641psi32000kPa |
Steering System - Pump | Piston, variable displacement |
Total Steering Angle | 70° |
Maximum Flow at 1,400 rpm | 94.5gal/min358l/min |
Steering | ISO 5010: 2007 |
Steering System - Circuit | Pilot, load sensing |
ROPS/FOPS | ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards |
Machine Sound Level (ISO 6395:2008) | 113dB(A)113dB(A) |
Operator Sound Level (ISO 6396:2008) | 69dB(A)69dB(A) |
Fuel Tank | 294.3gal (US)1114l |
Cooling System | 54.9gal (US)208l |
Transmission | 29.1gal (US)110l |
Hydraulic System Factory Fill | 210gal (US)795l |
Hydraulic Tank - Implement and Hydraulic Fan | 68.9gal (US)261l |
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. |
Engine Crankcase | 20gal (US)75.7l |
Hydraulic Tank - Steering and Braking | 34.9gal (US)132l |
Differential - Final Drives - Front | 71.6gal (US)271l |
Differential - Final Drives - Rear | 68.9gal (US)261l |
Front | Fixed |
Rear | Trunnion |
Oscillation Angle | 8.5° |
Bucket Capacities | 7,4-14,9 m³ (9,7-19,5 yd³) |
Machine Sound Level (ISO 6395:2008) | 115dB(A)115dB(A) |
Operator Sound Level (ISO 6396:2008) | 69dB(A)69dB(A) |
Transmission Type | Cat-Planetenlastschaltgetriebe |
Forward - 1 | 4.5mile/h7.3km/h |
Forward - 2 | 8.3mile/h13.3km/h |
Forward - 3 | 14.2mile/h22.9km/h |
Reverse - 1 | 4.9mile/h7.9km/h |
Reverse - 2 | 9.1mile/h14.7km/h |
Reverse - 3 | 15.5mile/h24.9km/h |
Direct Drive - Forward 1 | Lock-up disabled |
Direct Drive - Forward 2 | 8.5mile/h13.7km/h |
Direct Drive - Forward 3 | 15.2mile/h24.5km/h |
Direct Drive - Reverse 1 | 5.4mile/h8.7km/h |
Direct Drive - Reverse 2 | 9.6mile/h15.4km/h |
Direct Drive - Reverse 3 | 16.4mile/h26.4km/h |
Note | Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. |
Cylinders, Double Acting - Tilt, Bore and Stroke | 292.1 mm × 820 mm (11.5 in × 32.3 in) |
Relief Valve Setting - Main | 507psi3500kPa |
Relief Valve Setting - Lift/Tilt | 4786psi33000kPa |
Pilot System | Open loop and pressure reducing |
Cylinders, Double Acting - Lift, Bore and Stroke | 235 mm × 1287 mm (9.3 in × 50.7 in) |
Lift/Tilt System | Variable displacement piston |
Lift/Tilt System - Circuit | Positive flow control |
Maximum Flow at 1,800 rpm (1) | 216gal/min817l/min |
Maximum Flow at 1,800 rpm (2) | 22.2gal/min84l/min |