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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. Introduced in 2008 the success of the 993K is a testament to its heritage. Created from Cat Large Wheel Loader DNA, the roots of performance, durability, comfort and efficiency runs deep. Move more make more with the 993K.

Cat Specs
Photos
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Engine

Net Power
973 HP

Operating Specifications

Operating Weight
294687 lb
Note
* High lift, 60/65-51 BFOR (311-1938), standard cooling, 13.8 m3 (18.0 yd3) bucket (496-9912).
Cat Truck Match - High Lift
777, 785

Buckets

Bucket Capacities
12.2-23.7 m3 (16.0-31.0 yd3)

Hydraulic System - Steering

Relief Valve Setting - Steering
5000 psi
Steering System - Circuit
Closed
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86 °

Transmission

Transmission Type
Cat Planetary Power Shift
Forward - 1
4.2 mile/h
Forward - 2
7.4 mile/h
Reverse - 1
4.7 mile/h
Reverse - 2
8.1 mile/h
Note
50/65-51 BFOR (311-1938), calculated speeds.
Direct Drive - Forward 3
14.1 mile/h
Forward - 3
12.7 mile/h
Reverse - 3
13.9 mile/h
Direct Drive - Reverse 2
8.8 mile/h
Direct Drive - Forward 2
8 mile/h
Direct Drive - Reverse 3
15.6 mile/h

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
10 degrees

Hydraulic Cycle Times

Rack Back
2.4 s
Raise
9.2 s
Dump
1.8 s
Total Hydraulic Cycle Time
17.2 s
Lower
3.8 s
Lower Float Down
3.1 s

Service Refill Capacities

Crankcase
31.7 gal (US)
Cooling System
80.2 gal (US)
Transmission
52 gal (US)
Hydraulic System - Tank Only
146 gal (US)
Differential - Final Drives - Front
127.3 gal (US)
Fuel Tank
573.3 gal (US)
Differential - Final Drives - Rear
127.3 gal (US)
Note
High Lift configuration.
Hydraulic System Factory Fill
230 gal (US)

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit
Positive Flow Control
Tilt Cylinder - Bore
9.3 in
Lift Cylinder - Bore
10.5 in
Lift/Tilt System - Pump
Variable Piston
Tilt Cylinder - Stroke
40.9 in
Lift Cylinder - Stroke
66.2 in
Relief Valve Setting - Lift/Tilt
4200 psi

Sound

Note (2)
The machine sound power level is 116 dB(A), measured according to the test procedures and conditions specified in ISO 6395:2008 for the standard machine configuration. The measurement was conducted at
Note (3)
The machine sound power level is 113 dB(A), measured according to the test procedures and conditions specified in ISO 6395:2008 for the sound suppressed machine configuration. The measurement was cond
Note (1)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. Hearing p