793F Mining Truck

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Whether you’re hauling copper, coal, gold, iron ore or overburden the 793F provides you with the best in class cost per unit of production. Including the improvements in safety, productivity, serviceability and comfort you will see why the 793F is the industry leader of its class. Combine these features with unmatched dealer support and you will see why more mine sites choose Cat Mining Trucks for their production needs.

Operating Specifications

Nominal Payload Capacity
250 ton (US)
Top Speed - Loaded
37.3 mile/h
Steer Angle
36 °
Turning Diameter - Front
93 ft
Turning Circle - Clearance Diameter
107 ft
Gross Machine Operating Weight
386 007 or 390 089 kg (851,000 or 860,000 lb)
Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations.


Engine Model
Cat C175-16
Gross Power - SAE J1995
2650 HP
Net Power
2478 HP
Net Power - SAE J1349
2478 HP
Torque Rise
20 %
6.9 in
8.7 in
5187 m³
Note (3)
No engine derating required up to 3810 m (12,500 ft) altitude.
Note (2)
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 99 kPa (29.61 Hg) dry barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42.780 kJ/kg (18,390 Btu/lb) when engine used at 30° C (86° F).
Note (1)
Power ratings apply at 1,750 rpm when tested under the specified condition for the specified standard.
EPA Compliant. Where applicable, the Cat C175-16 engine is compliant with U.S. Environmental Protection Agency emission requirements.

Weight Distributions - Approximate

Front Axle - Empty
48 %
Rear Axle - Empty
52 %
Front Axle - Loaded
33 %
Rear Axle - Loaded
67 %

Service Refill Capacities

Fuel Tank
750 gal (US)
Fuel Tank - Optional
1300 gal (US)
Cooling System
284 gal (US)
82 gal (US)
Rear Axle - Housing
260 gal (US)
Steering System - Including Tank
77 gal (US)
Brake Hoist System - Includes Tank
347 gal (US)
Torque Converter - Transmission Sump
27 gal (US)
Torque Converter/Transmission System - Including Sump
55 gal (US)

Weights - Approximate

Chassis Weight
270000 lb
Body Weight Range
26 862-47 627 kg (59,220-105,000 lb)
Note (1)
Chassis weight with 100 percent fuel, hoist, body mounting group, rims and 40.00R57 tires.
Note (2)
Body weight varies depending on how body is equipped.


Forward - 1
8 mile/h
Forward - 2
10.8 mile/h
Forward - 3
14.8 mile/h
Forward - 4
19.9 mile/h
Forward - 5
27.1 mile/h
Forward - 6
37.3 mile/h
7.3 mile/h

Final Drives

Differential Ratio
Planetary Ratio
Total Reduction Ratio


Effective Cylinder Stroke - Front
5.1 in
Effective Cylinder Stroke - Rear
4.2 in
Rear axle - Oscillation
±4.9 degrees


Outside Diameter
34.5 in
Brake Surface - Front
13921 in²
Brake Surface - Rear
20847 in²
J-ISO 3450 JAN88, ISO 3450:1996

Body Hoists

Pump Flow - High Idle
224 gal/min
Relief Valve Setting - Raise
2955 psi
Body Raise Time - High Idle
19 s
Body Lower Time - Float
20 s
Body Power Down - High Idle
17.5 s
Note (1)
Twin, two-stage hydraulic cylinders mounted outside main frame, double-acting cylinders in second stage.
Note (2)
Power raise in both stages, power down in second stage.
Note (3)
Automatic body lower modulation reduces impact on frame.

Capacity - MSD II - 100% Fill Factor

Heaped (SAE 2:1)
159-190 m3 (209-250 yd3)
112-142 m3 (146-186 yd3)
Contact your local Cat dealer for body recommendation.


ROPS Standards
ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:1994 ROPS criteria.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria.


Sound Standards
The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 76 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed.
Sound Standards (1)
Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.


Steering Standards
SAE J15111 OCT90, ISO 5010:1992