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Caterpillar 785D Rock Truck Dimensions & Specs

Picture of a Caterpillar 785D Rock Truck
Picture of a Caterpillar 785D Rock Truck
Picture of a Caterpillar 785D Rock Truck

Transport a Caterpillar 785D Rock Truck

Transporting a Caterpillar 785D Rock Truck is a process that involves multiple steps, each requiring careful attention and expertise. First, the Caterpillar 785D Rock Truck is prepared for transport, which may involve disassembling larger components and securing fragile parts.During the loading phase, special equipment like forklifts or cranes may be used

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Dimensions

Dimensions
AOverall Length
37.89 ft in
BOverall Width
21.79 ft in
COverall Height
16.81 ft in
DWheelbase
17 ft in
EGround Clearance
3.24 ft in
FDump Height
38.75 ft in
GDump Ground Clearance
3.94 ft in
Dump
Lower Time
15.9 sec
Load Capacity - Heaped
102 yd3
Rated Payload
300000 lb
Raise Time
15.2 sec

Specifications

Engine
Engine Make
2236
Engine Model
3512C HD
Net Power
1348 hp
Gross Power
1450 hp
Power Measured @
1750 rpm
Displacement
3573.6 cu in
Torque Rise
23 %
Bore
6.7 in
Stroke
8.4 in
Rated Power
1450 hp
Net Power - Cat
1348 hp
Net Power - Iso 9249
1348 hp
Net Power - Sae J1349
1348 hp
Net Power - 80/1269/Eec
1348 hp
Gross Power - Sae J1995
1450 hp
Engine Model
Cat 3512C HD
Operational
Fuel Capacity
500.1 gal
Cooling System Fluid Capacity
100.2 gal
Engine Oil Capacity
53.9 gal
Diff And Final Drive Fluid Capacity
115.2 gal
Steering System Fluid Capacity
31 gal
Brake/Hoist System Fluid Capacity
169.4 gal
Hydraulic System Fluid Capacity
89.1 gal
Tire Size
33.00-51 50PR (E3 & E4)
Transmission
Number Of Gears - Forward
6
Number Of Gears - Reverse
1
Max Speed
34 mph
Reverse
6.8 mile/h
Forward - 1
7.5 mph
Forward - 2
10.2 mph
Forward - 3
13.8 mph
Forward - 4
18.6 mph
Forward - 5
25.2 mph
Forward - 6
34 mph
Steering
Steering Standards
SAE J1511 OCT90 ISO 5010:1992
Weights
Empty Weight
259257 lb
Loaded Weight
550000.4 lb
Weight Distribution Front - Empty
46 %
Weight Distribution Rear - Empty
55 %
Weight Distribution Front - Loaded
33 %
Weight Distribution Rear - Loaded
67 %
Tires
Standard Tires
33.00-R51 (E3 & E4)
Brakes
Brake Surface - Front
9497 in2
Brake Surface - Rear
13908 in2
Standards
SAE J1473 OCT90 ISO 3450-1985
Body Hoists
Pump Flow - High Idle
198 gal/min
Relief Valve Setting - Raise
2500 psi
Body Raise Time - High Idle
15.2 s
Body Lower Time - Float
16.2 s
Body Power Down - High Idle
15.9 s
Body Lower Time - High Idle
15.9 s
Final Drives
Planetary Ratio
10.83:1
Differential Ratio
2.10:1
Total Reduction Ratio
22.75:1
Operating Specifications
Top Speed - Loaded
34 mph
Steer Angle
36 degrees
Turning Diameter - Front
97.7 ft in
Machine Clearance Turning Diameter
108.9 ft in
Minimum Target Payload
288000 lb
Maximum Target Payload
314000 lb
Target Payload - Dual Slope*
292000 lb
Service Refill Capacities
Cooling System
100 gal
Differential - Final Drives
115 gal
Steering Tank
24 gal
Steering System - Including Tank
31 gal
Brake Hoist System - Includes Tank
169 gal
Crankcase
54 gal
Brake/Hoist Hydraulic Tank
89 gal
Torque Converter/Transmission System - Including Sump
65.6 gal
Fuel Tank - Standard
500 gal
Weight Distributions - Approximate
Front Axle - Loaded - Target
33 %
Rear Axle - Loaded - Target
67 %
Front Axle - Empty*
45-46%
Rear Axle - Empty*
54-55%
Weights - Approximate
Body Weight Range
20 831 - 30 623 kg 45,924 - 67,512 lb
Gross Machine Operating Weight (Gmw)
550000 lb
Minimum/Maximum Operating Chassis Weight Range (Ocw)
83 304 - 84 668 kg 183,654 - 186,661 lb
Minimum/Maximum Operating Chassis Weight Range Empty (Eomw)
106 218 - 117 597 kg 234,170 - 259,257 lb
Rops
Rops Standards
SAE J1040 APR88 ISO 3471:1994
Sound
Sound Standards
ANSI/SAE J1166 MAY90 SAE J88 APR95
Suspension
Effective Cylinder Stroke - Front
12.1 in
Effective Cylinder Stroke - Rear
6.5 in
Body - Dual Slope
Body Weight
49150 lb
Heaped (Sae 2:1)
102 yd3
Body - X
Body Weight
55468 lb
Heaped (Sae 2:1)
111 yd3

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