Caterpillar 797 Rock Truck
Dimensions
Dimensions
Overall Length
47.67ft in
Overall Width
30.02ft in
Overall Height
23.76ft in
Wheelbase
23.63ft in
Dump Height
49.22ft in
Height - Top Of Rops
21.39ft in
Inside Body Depth - Maximum
10.98ft in
Inside Body Length
32.29ft in
Inside Body Width
26.25ft in
Operating Width
30.03ft in
Outside Body Width
27.97ft in
Overall Body Length
47.67ft in
Overall Height - Body Raised
49.18ft in
Loading Height - Empty
23.12ft in
Centerline Front Tire Width
21.65ft in
Centerline Of Rear Dual Tire Width
19.91ft in
Dump Clearance
6.13ft in
Engine Guard Clearance
3.75ft in
Rear Axle - Clearance
2.58ft in
Rear Axle - Tail
13.18ft in
Wheel Base
23.62ft in
Overall Tire Width
30.03ft in
Dump
Rated Payload
760000lb
Load Capacity - Heaped
287.75yd3
Load Capacity - Struck
226.28yd3
Specifications
Engine
Engine Make
2236
Engine Model
3524A
Gross Power
3400hp
Net Power
3211hp
Displacement
7139.8cu in
Net Power - Cat
3211hp
Net Power - Iso 9249
3211hp
Net Power - Sae J1349
3178hp
Net Power - 80/1269/Eec
3211hp
Gross Power - Sae J1995
3400hp
Engine Model
Cat 3524B
Operational
Fuel Capacity
1799.9gal
Tire Size
55/80R63
Transmission
Max Speed
39.8mph
Reverse
7.6 mile/h
Forward - 1
6.7mph
Forward - 2
9mph
Forward - 3
12.1mph
Forward - 4
16.3mph
Forward - 5
22mph
Forward - 6
29.7mph
Forward - 7
39.9mph
Steering
Steering Standards
Meets SAE J1511 OCT90 and ISO 5010-1984 standards
Weights
Empty Weight
1225748.3lb
Loaded Weight
719875.5lb
Weight Distribution Front - Empty
43.5%
Weight Distribution Rear - Empty
46.5%
Weight Distribution Front - Loaded
33%
Weight Distribution Rear - Loaded
67%
Tires
Standard Tires
55/80R63 tires
Brakes
Standards
Meet J-ISO 3450 JAN88 and ISO 3450-1996 standards
Body Hoists
Pump Flow - High Idle
323 gal/min
Relief Valve Setting - Raise
3450.01 psi
Body Raise Time - High Idle
25 s
Body Lower Time - Float
18.5 s
Body Power Down - High Idle
17.3 s
Final Drives
Planetary Ratio
16.67:1
Differential Ratio
1.265:1
Total Reduction Ratio
21.09:1
Operating Specifications
Top Speed - Loaded
40mph
Raise Time
24 s
Lower Time
17.3 s
Minimum Payload Capacity
642680lb
Maximum Payload Capacity
720000lb
Maximum Capacity Struck (Sae)
228yd3
Service Refill Capacities
Cooling System
315gal
Steering Tank
62gal
Steering System - Including Tank
114gal
Crankcase
110gal
Brake/Hoist Hydraulic Tank
263gal
Torque Converter/Transmission System - Including Sump
166gal
Fuel Tank - Standard
1000gal
Weight Distributions - Approximate
Front Axle - Empty
43.5 %
Rear Axle - Empty
56.5 %
Weights - Approximate
Operating Weight - Empty
510000lb
Operating Weight - Loaded
1230000lb
Chassis Weight
459462.7lb
Gross Machine Operating Weight (Gmw)
1314000lb
Rops
Rops Standards
Meets SAE J1040 APR88, SAE J231 JAN81, ISO 3471-1994 and ISO 3449-1992 LEVEL II
Sound
Sound Standards
Meets OSHA and MSHA occupational noise exposure criteria
Approximate Weights - Flat Floor
Chassis
458500lb
Front Axle - Empty
43.5 %
Front Axle - Loaded
33.3 %
Rear Axle - Empty
56.5 %
Rear Axle - Loaded
66.7 %
