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793F Mining Truck

793F Mining Truck

At a Glance

Nominal Rated Payload
256 ton (US)
Rated Gross Machine Weight
851000 lb
Gross Power - SAE J1995
2650 HP
Engine Model
Cat® C175-16
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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.

Weights - Approximate

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Nominal Rated Payload 256ton (US)
Rated Gross Machine Weight 851000lb
Chassis Weight 265639lb
Body Weight 67682lb
Note (1) Consult your tire manufacturer for maximum tire load
Note (2) Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Note (3) Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations.


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Gross Power - SAE J1995 2650HP
Engine Model Cat® C175-16
Net Power - SAE J1349 2478HP
Emissions Fuel Optimized
Bore 6.9in
Stroke 8.7in
Displacement 5187in³
Note (1) Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2) EPA Tier 4 Final / EU Stage V available for applicable markets.

Service Refill Capacities

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Fuel Tank 750gal (US)
Fuel Tank - Optional 1300gal (US)
Cooling System 284gal (US)
Crankcase 82gal (US)
Rear Axle - Housing 260gal (US)
Steering System - Including Tank 77gal (US)
Brake Hoist System - Includes Tank 347gal (US)
Torque Converter - Transmission Sump 27gal (US)
Torque Converter/Transmission System - Including Sump 55gal (US)
Note (1) DEF Tank only available for EPA Tier 4 engine option.


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Standard Tires 40.00 R57
Rims 29" or 32"
Note Quick Change Rims optional.
Note (1) Extended life wheel stations optional.
Note (2) Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.

Capacity - HP Body - 100% Fill Factor

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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


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Type Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front 5.1in
Effective Cylinder Stroke - Rear 4.2in
Rear axle - Oscillation ±4.9 degrees

Braking System

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Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area 13921in³
Rear - Wet Disc Brake Surface Area 20847in³
Standards (Service and Secondary): ISO 3450:1996
Parking Brakes Four-corner, Multi-disc, Spring Applied, Hydraulically Released
Load Brake Rear service brakes
Note Anti-Lock Brake System (ABS) optional with CMD package

Body Hoists

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Type Twin, two-stage hydraulic cylinders with snubbing valve
Pump Flow - High Idle 224gal/min
Relief Valve Setting - Raise 2955psi
Body Raise Time - High Idle 19s
Body Lower Time - Float 20s
Body Power Down - High Idle 17.5s


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Air Conditioning Air Conditioning (HFC - 134A refrigerant): 24,300 Btu/hr
Heater / Defroster 38900Btu/h
Note Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.
ROPS Standards (1) The operator sound pressure level, 76 dB(A), complies with ISO 6394 and ISO 6396.
ROPS Standards (2) ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria.
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria.

Weight Distributions - Approximate

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


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

Final Drives

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Differential Ratio 1.8:1
Planetary Ratio 16:1
Total Reduction Ratio 26.8:1


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Brake Surface - Front 13921in²
Brake Surface - Rear 20847in²
Standards J-ISO 3450 JAN88, ISO 3450:1996

Capacity - MSD II - 100% Fill Factor

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


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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.


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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.


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Steer Angle 36°
Turning Diameter - Front 93.2ft
Steering Standards SAE J15111 OCT90, ISO 5010:1992