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793F Mining Truck

793F Mining Truck

At a Glance

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

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Nominal Rated Payload 255ton (US)
Rated Gross Machine Weight 851000lb
Chassis Weight 274587lb
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.
Note (3) Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations.


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Engine Model Cat® C175-16
Gross Power - SAE J1995 2650HP
Torque Rise 20%
Bore 6.9in
Stroke 8.7in
Displacement 5187in³
Emissions Meets Tier 4 Final emission standards.
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).
Note (3) No engine derating required up to 3200 m (10,500 ft) altitude.


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Steer Angle 36°
Turning Diameter - Front 93ft
Steering Standards ISO 5010:2007

Weight Distributions - Approximate

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

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

Body Hoists

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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
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.

Service Refill Capacities

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Fuel Tank 750gal (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)
Diesel Exhaust Fluid Tank 62gal (US)


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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.

Dimensions (Approximate)

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Height - Top of ROPS 18.75ft
Overall Length 43.83ft
Wheel Base 19.37ft
Rear Axle - Tail 13.11ft
Ground Clearance 3.42ft
Dump Clearance 4.27ft
Loading Height - Empty 20.28ft
Overall Height - Body Raised 45ft
Centerline Front Tire Width 18.4ft
Engine Guard Clearance 4.35ft
Overall Canopy Width 28.09ft
Outside Body Width 26.06ft
Inside Body Width 24.06ft
Front Canopy Height 23.21ft
Rear Axle - Clearance 3.71ft
Centerline of Rear Dual Tire Width 16.28ft
Overall Tire Width 24.95ft


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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 28.8:1


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


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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.