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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


Net Power
973 HP

Operating Specifications

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


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


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

Hydraulic System - Lift/Tilt

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

Hydraulic Cycle Times

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

Service Refill Capacities

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


Oscillation Angle
10 degrees


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
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

Hydraulic System - Steering

Steering System - Circuit
Steering System - Pump
Piston, variable displacement