CAT 797F Haul Truck

Dimensions

Overall Length 49.5 ft in (15087.6 mm)
Centerline Of Rear Dual Tire Width 20.41 ft in (6.23 m)
Dump Clearance 6.58 ft in (2.01 m)
Engine Guard Clearance – Loaded 3.33 ft in (1.02 m)
Front Canopy Height – Empty 25.33 ft in (7.73 m)
Height – Top Of Rops – Empty 21.4 ft in (6.53 m)
Inside Body Depth – Maximum 11 ft in (3.36 m)
Inside Body Length 32.75 ft in (9.99 m)
Inside Body Width 27.91 ft in (8.51 m)
Loaded Ground Clearance 2.58 ft in (0.79 m)
Loading Height – Empty 23 ft in (7.02 m)
Outside Body Width 32 ft in (9.76 m)
Overall Body Length 48.6 ft in (14.82 m)
Overall Canopy Width 29.91 ft in (9.12 m)
Overall Height – Body Raised 51.5 ft in (15.7 m)
Overall Tire Width 31.25 ft in (9.53 m)
Rear Axle – Clearance – Loaded 3.08 ft in (0.94 m)
Rear Axle – Tail 12.9 ft in (3.94 m)
Centerline Front Tire Width 21.41 ft in (6.53 m)
Wheel Base 23.58 ft in (7.19 m)

Engine Details

Displacement 6469 cu in (106.1 L)
Bore 6.9 in (175.3 mm)
Stroke 8.7 in (221 mm)
Emissions U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.
Gross Power – Sae J1995 4000 hp (2982.8 kw)
Engine Model Cat C175-20
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 7 mph (11.3 km/h)
Forward – 2 9.5 mph (15.3 km/h)
Forward – 3 12.7 mph (20.5 km/h)
Forward – 4 17.2 mph (27.7 km/h)
Forward – 5 23.1 mph (37.2 km/h)
Forward – 6 31.2 mph (50.3 km/h)
Forward – 7 42 mph (67.6 km/h)

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 51243 in2 (33.1 m2)
Standards ISO 3450:2011
Outside Diameter 42 in (1066.8 mm)
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 42 mph (67.6 km/h)
Steer Angle 40 degrees
Nominal Payload Capacity 800000 lb (362873.6 kg)
Machine Clearance Turning Diameter 138 ft in (42.1 m)
Heaped Sae (2:1) Capacity 240-267 m3 (314-350 yd3)

Service Refill Capacities

Cooling System 306 gal (1158.4 L)
Steering Tank 67 gal (253.7 L)
Steering System – Including Tank 94 gal (355.9 L)
Fuel Tank Capacity 1000 gal (3785.5 L)
Brake Hoist System – Includes Tank 441 gal (1669.4 L)
Crankcase 84 gal (318 L)
Final Drive – Each 49 gal (185.5 L)
Differentials 311 gal (1177.3 L)
Torque Converter/Transmission System – Including Sump 166 gal (628.4 L)
Front Wheels – Each 16 gal (60.6 L)
Brake/Hoist Tank 203 gal (768.5 L)
Torque Converter Sump 80 gal (302.9 L)
Brake/Hoist Hydraulic Lines 219 gal (829.1 L)

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

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.
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) 1375000 lb (623689.6 kg)

Rops

Rops Standards ROPS (Rollover Protective Structure) for cab offered by CAT 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 CAT 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 12.3 in (312.5 mm)
Effective Cylinder Stroke – Rear 6.5 in (165.1 mm)

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

Note Consult your local Cat dealer for truck body recommendations.
Heaped (Sae 2:1) 240-267 m3 (314-350 yd3)
Struck 188-213 m3 (246-290 yd3)
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