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990K Wheel Loader

990K Wheel Loader

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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 mines, quarries and industrial applications around the world. The 990K brings all new levels of performance, safety, operator comfort and efficiency.

Engine

Net Power
699.0 hp
Engine Model
Cat® C27 ACERT™
Bore
5.4 in
Stroke
6.0 in
Displacement
1649.5 in3
Torque Rise
18.0 %
Rated Speed
1,800 rpm
Net Power – SAE J1349
699.0 hp
Emissions
U.S. EPA Tier 4 Final OR Tier 2 Equivalent
Gross (ISO 14396)
752.0 hp
Peak Torque @ 1,200 rpm
2624.0 lbf-ft
Rated Speed: Gross (ISO 14396)
752.0 hp
Rated Speed: Gross (SAE J1995)
766.0 hp
Rated Speed: Net Power – SAE J1349 (High Ambient)
648.0 hp
Rated Speed: Net Power – SAE J1349 (Standard Ambient)
699.0 hp

Operating Specifications

Operating Weight
178517.0 lb
Rated Payload
17.5 tons
Bucket Capacity Range
8.6 m3-10.0 m3 (11.25 yd3-13.0 yd3)
Rated Payload – Standard
17.5 tons
Cat Truck Match – Standard
773-775
Cat Truck Match – High Lift
775-777
Rated Payload – High Lift
17.5 tons

Transmission

Transmission Type
Cat planetary power shift
Forward 1
4.5 mph
Forward 2
8.3 mph
Forward 3
14.2 mph
Reverse 1
4.9 mph
Reverse 2
9.1 mph
Reverse 3
15.5 mph
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
8.5 mph
Direct Drive - Forward 3
15.2 mph
Direct Drive - Reverse 1
5.4 mph
Direct Drive - Reverse 2
9.6 mph
Direct Drive - Reverse 3
16.4 mph

Hydraulic System – Lift/Tilt

Cylinders, Double Acting: Lift, Bore and Stroke
235 mm × 1287 mm (9.3 in × 50.7 in)
Cylinders, Double Acting: Tilt, Bore and Stroke
292.1 mm × 820 mm (11.5 in × 32.3 in)
Lift/Tilt System
Variable displacement piston
Maximum Flow at 1,800 rpm
22.2 gal/min
Maximum Flow at 1,800 rpm
216.0 gal/min
Pilot System
Open loop and pressure reducing
Relief Valve Setting
507.0 psi
Lift/Tilt System – Circuit
Positive flow control
Relief Valve Setting – Lift/Tilt
4786.0 psi

Hydraulic Cycle Time

Raise
8.2 Seconds
Dump
2.9 Seconds
Rack Back
4.3 Seconds
Lower
3.7 Seconds
Lower Float Down
3.6 Seconds
Total Hydraulic Cycle Time (empty bucket)
13.8 Seconds

Service Refill Capacities

Fuel Tank
294.3 gal
Cooling System
54.9 gal
Transmission
29.1 gal
Differentials and Final Drives – Front
71.6 gal
Differentials and Final Drives – Rear
68.9 gal
Engine Crankcase
20.0 gal
Hydraulic System Factory Fill
210.0 gal
Hydraulic Tank (Implement and Hydraulic Fan)
68.9 gal
Hydraulic Tank (Steering and Braking)
34.9 gal

Buckets

Bucket Capacities
7.4-14.9 m3 (9.7-19.5 yd3)

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5°

Brakes

Brakes
SAE J1473 OCT90, ISO 3450:1992

Hydraulic System – Steering

Steering System – Circuit
Pilot, load sensing
Steering System – Pump
Piston, variable displacement
Relief Valve Setting – Steering
4641.0 psi
Maximum Flow @ 1,400 rpm
94.5 gal/min
Total Steering Angle
70°

Sound Performance – Standard

Machine Sound Level (ISO 6395:2008)
115.0 dB(A)
Operator Sound Level (ISO 6396:2008)
69.0 dB(A)

Sound Performance – Suppression

Machine Sound Level (ISO 6395:2008)
113.0 dB(A)
Operator Sound Level (ISO 6396:2008)
69.0 dB(A)