Cat ®

797F
MINING TRUCK

Specifications
Engine Transmission
Engine Model Cat C175-20 Forward 1 11.3 km/h 7 mph
Gross Power – SAE J1995 2983 kW 4,000 hp Forward 2 15.2 km/h 9.5 mph
Net Power – SAE J1349 2828 kW 3,793 hp Forward 3 20.5 km/h 12.7 mph
Bore 175 mm 6.9 in Forward 4 27.7 km/h 17.2 mph
Stroke 220 mm 8.7 in Forward 5 37.2 km/h 23.1 mph
Displacement 106 L 6,469 in3 Forward 6 50.3 km/h 31.2 mph
Power ratings apply at 1,750 rpm when tested under the specific Forward 7 67.6 km/h 42 mph
conditions for the specified standard. Reverse 11.9 km/h 7.4 mph
Ratings based on SAE J1995 standard air conditions of 25° C (77° F)
and 99 kPa (29.32 Hg) barometer. Power based on fuel having API Suspension
gravity of 35 at 16° C (69° F) and an LHV of 42 780 kJ/kg (18,390 Btu/lb) Effective Cylinder Stroke – Front 313.6 mm 12.3 in
when engine is used at 30° C (38° F).
Effective Cylinder Stroke – Rear 165.1 mm 6.5 in
No low altitude arrangement (LAA) engine derating required up to
Rear Axle Oscillation ±4.0 degrees
2134 m (7,000 ft) altitude.
No high altitude arrangement (HAA) engine derating required up to
4877 m (16,000 ft) altitude. Body Hoists
EPA Compliant. Where applicable, the Cat C175-20 engine is compliant Pump Flow – High Idle 1200 L/min 317 gal/min
with U.S. Environmental Protection Agency emission requirements. Relief Valve Setting – Raise 24 200 kPa 3,510 psi
Body Raise Time – High Idle 25 Seconds
Weights – Approximate High Idle Body Lower Time – Float 19 Seconds
Gross Machine Operating Weight (GMW) 623 690 kg 1,375,000 lb
Body Weight Range 41 368- 91,200- Brakes
61 235 kg 135,000 lb Number of Discs per Side – Front 10
Chassis Weight Range 210 630- 464,359- Number of Discs per Side – Rear 15
219 146 kg 483,134 lb Outside Diameter 1067 mm 42 in
Refer to the Cat Mining Truck 10/10/20 Payload Policy for maximum Brake Surface 330 517 cm2 51,243 in2
gross machine weight limitations. Standards J-ISO 3450 JAN88,
Body weight varies depending on body and liner configuration. ISO 3450-1996
Weight range for known applications.
Chassis weight with 100 percent fuel, hoist, body mounting group, Approximate Weights – MSD II
rims and tires.
Front Axle – Empty 47.2%
Front Axle – Loaded 33.3%
Operating Specifications Rear Axle – Empty 52.8%
Nominal Payload Capacity 363 tonnes 400 tons Rear Axle – Loaded 66.7%
Heaped SAE (2:1) Capacity 240-267 m3 314-350 yd3
Top Speed – Loaded 67.6 km/h 42 mph Weight Distributions – Approximate
Steer Angle 40 Degrees
Front Axle – Empty 47.2%
Machine Clearance Turning Diameter 42 m 138 ft
Rear Axle – Empty 52.8%
Front Axle – Loaded 33.3%
Final Drives Rear Axle – Loaded 66.7%
Differential Ratio 1.276:1
Planetary Ratio 16.67:1
Total Reduction Ratio 21.26:1
Double reduction, planetary with full floating axles.
797F Mining Truck
Capacity – MSD II – 100% Fill Factor
Struck 188-213 m3 246-290 yd3
Heaped (SAE 2:1) 240-267 m3 314-350 yd3
Consult your local Cat dealer for truck body recommendations.
2

3
Service Refill Capacities 13

12
Fuel Tank 3785 L 1,000 gal 14
11
Cooling System 1160 L 306 gal 15
16
Crankcase 319 L 84 gal 10
45°
Front Wheels, Each 61 L 16 gal 9
1
Final Drives, Each 185 L 49 gal
Differentials 1176 L 311 gal 8 17
Steering Tank 254 L 67 gal 7

5 6
Steering System (Includes Tank) 355 L 94 gal 4
Brake/Hoist Hydraulic Lines 830 L 219 gal 18

Brake/Hoist System (Includes Tank) 1600 L 441 gal 19

20
Brake/Hoist Tank 770 L 203 gal
Torque Converter Sump 303 L 80 gal
Torque Converter/Transmission System Dimensions (All dimensions are approximate)
(Includes Sump) 629 L 166 gal Dimensions are with standard body 290-6420.
1 Height to Top of ROPS – Empty 6526 mm 21 ft 5 in
Tires 2 Overall Body Length 14 802 mm 48 ft 7 in
Tire 59/80R63 – Michelin 3 Inside Body Length 9976 mm 32 ft 9 in
or Bridgestone 4 Overall Length 15 080 mm 49 ft 6 in
Productive capabilities of the 797F are such that, under certain job 5 Wheelbase 7195 mm 23 ft 7 in
conditions, TKPH (TMPH) capabilities of standard tires could be 6 Rear Axle to Tail 3944 mm 12 ft 11 in
exceeded and, therefore, limit production. 7 Loaded Ground Clearance 786 mm 2 ft 7 in
8 Dump Clearance 2017 mm 6 ft 7 in
ROPS 9 Loading Height – Empty 6998 mm 23 ft 0 in
ROPS Standards 10 Inside Body Depth – Maximum 3363 mm 11 ft 0 in
ROPS (Rollover Protective Structure) for cab offered by Caterpillar 11 Overall Height – Body Raised 15 701 mm 51 ft 6 in
meets ISO 3471:2008 ROPS criteria. 12 Centerline Front Tire Width 6534 mm 21 ft 5 in
FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 13 Engine Guard Clearance – Loaded 1025 mm 3 ft 4 in
Level II FOPS criteria. 14 Outside Body Width 9755 mm 32 ft 0 in
15 Overall Canopy Width 9116 mm 29 ft 11 in
Sound 16 Inside Body Width 8513 mm 27 ft 11 in
Sound Standards 17 Front Canopy Height – Empty 7709 mm 25 ft 4 in
The operator sound pressure level measured according to work cycle 18 Rear Axle Clearance – Loaded 947 mm 3 ft 1 in
procedures specified in ISO 6394 and 6396 is 76 dB(A) for cab offered 19 Centerline Rear Dual Tire Width 6233 mm 20 ft 5 in
by Caterpillar when properly installed and maintained and tested with 20 Overall Tire Width 9529 mm 31 ft 3 in
doors and windows closed.
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 SAE J15111 OCT90,
ISO 5010:1992

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