Off-Highway Trucks

793F Mining Truck

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Specification Summary

Nominal Payload Capacity
250 ton (US)
Engine Model
Cat C175-16
Gross Power - SAE J1995
2650 HP
Bore
6.9 in
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Engine

Engine Model
Cat C175-16
Gross Power - SAE J1995
2650 HP
Bore
6.9 in
Stroke
8.7 in
Displacement
5187 in³
Note (1)
Power ratings apply at 1,750 rpm when tested under the specified condition for the specified standard.
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).
Torque Rise
20%
Emissions
Meets Tier 4 Final emission standards.
Note (3)
No engine derating required up to 3200 m (10,500 ft) altitude.

Weights - Approximate

Chassis Weight
274587 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.

Operating Specifications

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

Final Drives

Differential Ratio
1.8:1
Planetary Ratio
16:1
Total Reduction Ratio
28.8:1

Transmission

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
Reverse
7.3 mile/h

Suspension

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

Body Hoists

Body Lower Time - Float
20 s
Body Power Down - High Idle
17.5 s
Body Raise Time - High Idle
19 s
Pump Flow - High Idle
224 gal/min
Relief Valve Setting - Raise
2955 psi
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.

Brakes

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

Weight Distributions - Approximate

Front Axle - Empty
49%
Front Axle - Loaded
33%
Rear Axle - Empty
51%
Rear Axle - Loaded
67%

Capacity - HP - 100% Fill Factor

Struck
112.6-151 m3 (147-197.5 yd3)
Heaped (SAE 2:1)*
162-191 m3 (212-250 yd3)
Note (1)
Contact your local Cat dealer for body recommendation.
Note (2)
*ISO 6483:1980

Service Refill Capacities

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

ROPS

ROPS Standards
ROPS (Rollover Protective Structure) cab offered by Caterpillar meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 for Operator and ISO 13459:2012 Level II FOPS for Trainer.

Sound

Sound Standards (1)
The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 74 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed.
Sound Standards (2)
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

Steering Standards
ISO 5010:2007

Dimensions (Approximate)

Centerline Front Tire Width
18.4 ft
Centerline of Rear Dual Tire Width
16.28 ft
Dump Clearance
4.27 ft
Engine Guard Clearance
4.35 ft
Front Canopy Height
23.21 ft
Ground Clearance
3.42 ft
Height - Top of ROPS
18.75 ft
Inside Body Width
24.06 ft
Loading Height - Empty
20.28 ft
Note
Shown with 162 m3 (212 yd3) HP Body.
Outside Body Width
26.06 ft
Overall Canopy Width
28.09 ft
Overall Height - Body Raised
45 ft
Overall Length
43.83 ft
Overall Tire Width
24.95 ft
Rear Axle - Clearance
3.71 ft
Rear Axle - Tail
13.11 ft
Wheel Base
19.37 ft
Engine Model
Cat C175-16
Gross Power - SAE J1995
2650 HP
Bore
6.9 in
Stroke
8.7 in
Displacement
5187 in³
Note (1)
Power ratings apply at 1,750 rpm when tested under the specified condition for the specified standard.
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).
Torque Rise
20%
Chassis Weight
274587 lb
Body Weight Range
26 862-47 627 kg (59,220-105,000 lb)
Nominal Payload Capacity
250 ton (US)
Steer Angle
36 °
Top Speed - Loaded
37.3 mile/h
Turning Circle - Clearance Diameter
107 ft
Turning Diameter - Front
93 ft
Gross Machine Operating Weight
386 007 or 390 089 kg (851,000 or 860,000 lb)
Differential Ratio
1.8:1
Planetary Ratio
16:1
Total Reduction Ratio
28.8:1
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
Reverse
7.3 mile/h
Rear axle - Oscillation
±4.9 degrees
Effective Cylinder Stroke - Front
5.1 in
Effective Cylinder Stroke - Rear
4.2 in
Body Lower Time - Float
20 s
Body Power Down - High Idle
17.5 s
Body Raise Time - High Idle
19 s
Pump Flow - High Idle
224 gal/min
Relief Valve Setting - Raise
2955 psi
Outside Diameter
34.5 in
Standards
ISO 3450:1996
Brake Surface - Front
13921 in²
Brake Surface - Rear
20847 in²
Front Axle - Empty
49%
Front Axle - Loaded
33%
Rear Axle - Empty
51%
Rear Axle - Loaded
67%
Struck
112.6-151 m3 (147-197.5 yd3)
Heaped (SAE 2:1)*
162-191 m3 (212-250 yd3)
Brake Hoist System - Includes Tank
347 gal (US)
Cooling System
284 gal (US)
Crankcase
82 gal (US)
Diesel Exhaust Fluid Tank
62 gal (US)
Fuel Tank
750 gal (US)
Steering System - Including Tank
77 gal (US)
Torque Converter - Transmission Sump
27 gal (US)
Rear Axle - Housing
260 gal (US)
Torque Converter/Transmission System - Including Sump
55 gal (US)
ROPS Standards
ROPS (Rollover Protective Structure) cab offered by Caterpillar meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
Sound Standards (1)
The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 74 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed.
Steering Standards
ISO 5010:2007
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.
Centerline Front Tire Width
18.4 ft
Centerline of Rear Dual Tire Width
16.28 ft
Dump Clearance
4.27 ft
Engine Guard Clearance
4.35 ft
Front Canopy Height
23.21 ft
Ground Clearance
3.42 ft
Height - Top of ROPS
18.75 ft
Inside Body Width
24.06 ft
Loading Height - Empty
20.28 ft
Note
Shown with 162 m3 (212 yd3) HP Body.
Outside Body Width
26.06 ft
Overall Canopy Width
28.09 ft
Overall Height - Body Raised
45 ft
Overall Length
43.83 ft
Overall Tire Width
24.95 ft
Rear Axle - Clearance
3.71 ft
Rear Axle - Tail
13.11 ft
Wheel Base
19.37 ft
Emissions
Meets Tier 4 Final emission standards.
Note (3)
No engine derating required up to 3200 m (10,500 ft) altitude.
Note
Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 for Operator and ISO 13459:2012 Level II FOPS for Trainer.
Sound Standards (2)
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.
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.
Note (3)
Automatic body lower modulation reduces impact on frame.
Note (1)
Contact your local Cat dealer for body recommendation.
Note (2)
*ISO 6483:1980