Caterpillar 797F Rock Truck
Dimensions
Dimensions
Overall Length 49.5ft in
Centerline Of Rear Dual Tire Width 20.41ft in
Dump Clearance 6.58ft in
Engine Guard Clearance - Loaded 3.33ft in
Front Canopy Height - Empty 25.33ft in
Height - Top Of Rops - Empty 21.4ft in
Inside Body Depth - Maximum 11ft in
Inside Body Length 32.75ft in
Inside Body Width 27.91ft in
Loaded Ground Clearance 2.58ft in
Loading Height - Empty 23ft in
Outside Body Width 32ft in
Overall Body Length 48.6ft in
Overall Canopy Width 29.91ft in
Overall Height - Body Raised 51.5ft in
Overall Tire Width 31.25ft in
Rear Axle - Clearance - Loaded 3.08ft in
Rear Axle - Tail 12.9ft in
Centerline Front Tire Width 21.41ft in
Wheel Base 23.58ft in
Specifications
Engine
Displacement 6469cu in
Bore 6.9in
Stroke 8.7in
Gross Power - Sae J1995 4000hp
Engine Model Cat C175-20
Emissions: U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.
Note (1): Power ratings apply at 1,750 rpm when tested under the specific conditions for the specified standard.
Note (2): Ratings based on SAE J1995 standard air conditions of 25 degrees C (77 degrees F) and 99 kPa (29.32 Hg) barometer. Power based on fuel having API gravity of 35 at 16 degrees C (69 degrees F) and an LHV of 42 780 kJ/kg (18,390 Btu/lb) when engine is used at 30 degrees C (38 degrees F).
Note (3): No low altitude arrangement (LAA) engine derating required up to 2134 m (7,000 ft) altitude.
Note (4): No high altitude arrangement (HAA) engine derating required up to 4877 m (16,000 ft) altitude.
Transmission
Reverse 7.4 mile/h
Forward - 1 7mph
Forward - 2 9.5mph
Forward - 3 12.7mph
Forward - 4 17.2mph
Forward - 5 23.1mph
Forward - 6 31.2mph
Forward - 7 42mph
Steering
Steering Standards ISO 5010:2007
Tires
Tires 59/80R63 Michelin or Bridgestone
Note: Productive capabilities of the 797F are such that, under certain job conditions, TKPH (TMPH) capabilities of standard tires could be exceeded and, therefore, limit production.
Brakes
Brake Surface 51243in2
Standards ISO 3450:2011
Outside Diameter 42in
Number Of Discs Per Side - Front 10
Number Of Discs Per Side - Rear 15
Body Hoists
Pump Flow - High Idle 317 gal/min
Relief Valve Setting - Raise 3510 psi
Body Raise Time - High Idle 25 s
High Idle Body Lower Time - Float 19 s
Final Drives
Planetary Ratio 16.67:1
Differential Ratio 1.276:1
Total Reduction Ratio 21.26:1
Note: Double reduction, planetary with full floating axles.
Operating Specifications
Top Speed - Loaded 42mph
Steer Angle 40degrees
Nominal Payload Capacity 800000lb
Machine Clearance Turning Diameter 138ft in
Heaped Sae (2:1) Capacity 240-267 m3 (314-350 yd3)
Service Refill Capacities
Cooling System 306gal
Steering Tank 67gal
Steering System - Including Tank 94gal
Fuel Tank 1000gal
Brake Hoist System - Includes Tank 441gal
Crankcase 84gal
Final Drive - Each 49gal
Differentials 311gal
Torque Converter/Transmission System - Including Sump 166gal
Front Wheels - Each 16gal
Brake/Hoist Tank 203gal
Torque Converter Sump 80gal
Brake/Hoist Hydraulic Lines 219gal
Weight Distributions - Approximate
Front Axle - Empty 47.2%
Front Axle - Loaded 33.3%
Rear Axle - Empty 52.8%
Rear Axle - Loaded 66.7%
Weights - Approximate
Body Weight Range 41 368-61 235 kg (91,200-135,000 lb)
Chassis Weight Range 210 630-219 146 kg (464,359-483,134 lb)
Target Gross Machine Operating Weight (Gmw) 1375000lb
Note (1): Refer to the Cat Mining Truck 10/10/20 Payload Policy for maximum gross machine weight limitations.
Note (2): Body weight varies depending on body and liner configuration. Weight range for known applications.
Note (3): Chassis weight with 100 percent fuel, hoist, body mounting group, rims and tires.
Rops
Rops Standards: ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
Fops Standards: FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
Sound
Sound Standards (1): The operator sound pressure level measured according to work cycle procedures specified in ISO 6394:2008 and 6396:2008 is 76 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.
Suspension
Effective Cylinder Stroke - Front 12.3in
Effective Cylinder Stroke - Rear 6.5in
Approximate Weights - Msd Ii
Front Axle - Empty 47.2%
Front Axle - Loaded 33.3%
Rear Axle - Empty 52.8%
Rear Axle - Loaded 66.7%
Capacity - Msd Ii - 100% Fill Factor
Heaped (Sae 2:1) 240-267 m3 (314-350 yd3)
Struck 188-213 m3 (246-290 yd3)
Note: Consult your local Cat dealer for truck body recommendations.
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