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
Emissions
U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.
Gross Power - Sae J1995
4000hp
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
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
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)
1375000lb
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
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)
