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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 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.

Cat Specs
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Engine

Net Power
699 HP
Bore
5.4 in
Stroke
6 in
Displacement
1649.5 in³
Torque Rise
18 %
Rated Speed
1800
Emissions
U.S. EPA Tier 4 Final/Tier 2 Equivalent
Engine Model
Cat® C27 ACERT™
Net Power - SAE J1349
699 HP
Peak Torque - 1,200 rpm
2624 lb/ft

Operating Specifications

Operating Weight
204693 lb
Bucket Capacity Range
8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Cat Truck Match - Standard
773-775

Buckets

Bucket Capacities
8.6-9.2 m3 (11.2-12.0 yd3)

Hydraulic System - Steering

Relief Valve Setting - Steering
4641 psi
Total Steering Angle
70° °
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement

Hydraulic System - Lift/Tilt

Lift/Tilt System
Variable displacement piston
Cylinders, Double Acting - Lift, Bore and Stroke
254 mm × 1264 mm (10.0 in × 49.8 in)
Pilot System
Open loop and pressure reducing
Relief Valve Setting - Lift/Tilt
4786 psi
Lift/Tilt System - Circuit
Positive flow control

Transmission

Transmission Type
Cat planetary power shift
Forward - 1
4.5 mile/h
Forward - 2
8.3 mile/h
Reverse - 1
4.9 mile/h
Reverse - 2
9.1 mile/h
Direct Drive - Reverse 2
9.6 mile/h
Direct Drive - Forward 2
8.5 mile/h
Direct Drive - Reverse 3
16.4 mile/h
Note
Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Direct Drive - Forward 3
15.2 mile/h
Forward - 3
14.2 mile/h
Reverse - 3
15.5 mile/h

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5°

Hydraulic Cycle Times

Rack Back
4.8 s
Raise
9.4 s
Dump
2.9 s
Lower
3.7 s
Lower Float Down
3.6 s

Service Refill Capacities

Cooling System
54.9 gal (US)
Transmission
29.1 gal (US)
Differential - Final Drives - Rear
68.9 gal (US)
Engine Crankcase
20 gal (US)
Fuel Tank
294.3 gal (US)
Differential - Final Drives - Front
71.6 gal (US)
Hydraulic System Factory Fill
210 gal (US)

Brakes

Brakes
SAE J1473 OCT90, ISO 3450:1992