797F Mining Truck

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Product Description

Whether you’re hauling copper, coal, gold, iron ore or overburden the 797F 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 797F 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.

Specifications
Us
Metric
Operating Specifications
Nominal Payload Capacity
400 tons
363 tonnes
Top Speed – Loaded
42 mph
67.6 km/h
Steer Angle
40 Degrees
40 Degrees
Heaped SAE (2:1) Capacity
240-267 m3 (314-350 yd3)
Machine Clearance Turning Diameter
138 ft
42 m
Engine
Engine Model
Cat® C175-20
Gross Power - SAE J1995
4000 hp
2983 kW
Bore
6.9 in
175 mm
Stroke
8.7 in
220 mm
Displacement
6469 in3
106 L
Note
Power ratings apply at 1,750 rpm when tested under the specific conditions for the specified standard.
Note
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 gravity of 35 at 16° C (69° F) and an LHV of 42 780 kJ/kg (18,390 Btu/lb) when engine is used at 30° C (38° F).
Weights – Approximate
Target Gross Machine Operating Weight (GMW)
1375000 lb
623690 kg
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)
Transmission
Forward 1
7.0 mph
11.3 km/h
Forward 2
9.5 mph
15.2 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
42.0 mph
67.6 km/h
Reverse
7.4 mph
11.9 km/h
Final Drives
Differential Ratio
1.276:1
Planetary Ratio
16.67:1
Total Reduction Ratio
21.26:1
Suspension
Effective Cylinder Stroke – Front
12.3 in
313.6 mm
Effective Cylinder Stroke – Rear
6.5 in
165.1 mm
Rear Axle Oscillation
±4.0 degrees
Brakes
Number of Discs per Side – Front
10
Number of Discs per Side – Rear
15
Outside Diameter
42 in
1067 mm
Brake Surface
51243 in2
330517 cm2
Standards
ISO 3450:2011
Body Hoists
Pump Flow – High Idle
317.0 gal/min
1200.0 L/min
Relief Valve Setting – Raise
3510.0 psi
24200.0 kPa
Body Raise Time – High Idle
25.0 Seconds
25.0 Seconds
High Idle Body Lower Time – Float
19.0 Seconds
19.0 Seconds
Service Refill Capacities
Fuel Tank
1000 gal
3785 L
Cooling System
306.0 gal
1160.0 L
Crankcase
84.0 gal
319.0 L
Steering Tank
67.0 gal
254.0 L
Steering System (Includes Tank)
94.0 gal
355.0 L
Brake/Hoist Hydraulic Lines
219.0 gal
830.0 L
Brake/Hoist System (Includes Tank)
441.0 gal
1600.0 L
Brake/Hoist Tank
203.0 gal
770.0 L
Differentials
311.0 gal
1176.0 L
Final Drives, Each
49.0 gal
185.0 L
Front Wheels, Each
16.0 gal
61.0 L
Torque Converter Sump
80.0 gal
303.0 L
Torque Converter/Transmission System (Includes Sump)
166.0 gal
629.0 L
Dimensions
Front Canopy Height – Empty
25.33 ft
7709.0 mm
Loaded Ground Clearance
2.58 ft
786.0 mm
Height to Top of ROPS – Empty
21.4 ft
6526.0 mm
Overall Body Length
48.6 ft
14802.0 mm
Inside Body Length
32.75 ft
9976.0 mm
Overall Length
49.5 ft
15080.0 mm
Wheelbase
23.58 ft
7195.0 mm
Rear Axle to Tail
12.9 ft
3944.0 mm
Dump Clearance
6.58 ft
2017.0 mm
Loading Height – Empty
23.0 ft
6998.0 mm
Inside Body Depth – Maximum
11.0 ft
3363.0 mm
Overall Height – Body Raised
51.5 ft
15701.0 mm
Centerline Front Tire Width
21.41 ft
6534.0 mm
Engine Guard Clearance – Loaded
3.33 ft
1025.0 mm
Overall Canopy Width
29.91 ft
9116.0 mm
Outside Body Width
32.0 ft
9755.0 mm
Inside Body Width
27.91 ft
8513.0 mm
Rear Axle Clearance – Loaded
3.08 ft
947.0 mm
Centerline Rear Dual Tire Width
20.41 ft
6233.0 mm
Overall Tire Width
31.25 ft
9529.0 mm
Weight Distributions – Approximate
Front Axle – Empty
47.2%
Rear Axle – Empty
52.8%
Front Axle – Loaded
33.3%
Rear Axle – Loaded
66.7%
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
Struck
188-213 m3 (246-290 yd3)
Heaped (SAE 2:1)
240-267 m3 (314-350 yd3)
Tires
Tire
59/80R63 – Michelin or Bridgestone
Sound
Sound Standards
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.
Steering
Steering Standards
ISO 5010:2007
ROPS
ROPS Standards
ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
Engine
Note
No low altitude arrangement (LAA) engine derating required up to 2134 m (7,000 ft) altitude.
Note
No high altitude arrangement (HAA) engine derating required up to 4877 m (16,000 ft) altitude.
Emissions
U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.
Weights – Approximate
Note
Refer to the Cat Mining Truck 10/10/20 Payload Policy for maximum gross machine weight limitations.
Note
Body weight varies depending on body and liner configuration. Weight range for known applications.
Note
Chassis weight with 100 percent fuel, hoist, body mounting group, rims and tires.
Final Drives
Note
Double reduction, planetary with full floating axles.
Capacity – MSD II – 100% Fill Factor
Note
Consult your local Cat dealer for truck body recommendations.
Tires
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.
ROPS
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
Sound
Sound Standards
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.
Standard/Optional

Standard Equipment

ELECTRICAL
OPERATOR ENVIRONMENT
POWER TRAIN
OTHER STANDARD EQUIPMENT
ANTIFREEZE

Optional Equipment

OPTIONAL EQUIPMENT

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