Caterpillar 773D Rock Truck
Dimensions
Dimensions
Overall Length 31.79ft in
Overall Width 14.63ft in
Overall Height 13.13ft in
Wheelbase 13.75ft in
Ground Clearance 1.94ft in
Dump Height 28.83ft in
Dump Ground Clearance 2.22ft in
Centerline Front Tire Width 10.74ft in
Front Canopy Height 14.51ft in
Inside Body Length 21.3ft in
Loading Height - Empty 12.42ft in
Operating Width 12.83ft in
Overall Height - Body Raised 28.92ft in
Wheel Base 13.75ft in
Dump
Load Capacity - Struck 34.8yd3
Raise Time 9.5sec
Load Capacity - Heaped 46.04yd3
Lower Time 12.5sec
Specifications
Number Of Cylinders 12
Engine Model 3412E
Net Power 643.7hp
Gross Power 682.6hp
Power Measured @ 2000rpm
Max Torque 1706.8lb ft
Displacement 1647.7cu in
Bore 5.4in
Stroke 6in
Net Power - Cat 650hp
Net Power - Iso 9249 41hp
Net Power - Sae J1349 53.6hp
Net Power - 80/1269/Eec 34hp
Gross Power - Sae J1995 650hp
Engine Model Cat 3412E TA-HEUI
Flywheel Power 650hp
Operational
Operational Weight 87082.6lb
Fuel Capacity 185gal
Cooling System Fluid Capacity 36.2gal
Engine Oil Capacity 20.1gal
Diff And Final Drive Fluid Capacity 37gal
Steering System Fluid Capacity 9gal
Brake/Hoist System Fluid Capacity 35.2gal
Operating Voltage 24V
Tire Size 24.00R35
Transmission
Number Of Gears - Forward 7
Number Of Gears - Reverse 1
Max Speed 38.7mph
Reverse 7.46 mile/h
Forward - 1 6.3mph
Forward - 2 8.6mph
Forward - 3 11.7mph
Forward - 4 15.6mph
Forward - 5 21.2mph
Forward - 6 28.6mph
Forward - 7 40.9mph
Weights
Empty Weight 87082.6lb
Loaded Weight 219007.2lb
Weight Distribution Front - Empty 47.3%
Weight Distribution Rear - Empty 52.7%
Weight Distribution Front - Loaded 33.3%
Weight Distribution Rear - Loaded 66.7%
Tires
Standard Tire 24.00R35 (E-4)
Body Hoists
Pump Flow - High Idle 148.46 gal/min
Relief Valve Setting - Raise 2498.27 psi
Body Raise Time - High Idle 9.5 s
Body Lower Time - Float 12.5 s
Final Drives
Planetary Ratio Planetary
Operating Specifications
Circle Clearance Diameter 78.8ft in
Nominal Payload Class (100%) 96260lb
Top Speed - Loaded 41mph
Body Capacity - Struck 34yd3
Maximum Capacity 96260lb
Raise Time 9.5 s
Lower Time 12.5 s
Body Capacity - Sae 2:1 44.6yd3
Service Refill Capacities
Cooling System 39.9gal
Steering Tank 14.6gal
Steering System - Including Tank 21.4gal
Fuel Tank 185gal
Torque Converter - Transmission System - Including Sump 26.5gal
Torque Converter - Brake - Hoist Hydraulic Tank 58.2gal
Brake Hoist System - Includes Tank 103.9gal
Weight Distributions - Approximate
Front Axle - Empty 47.3 %
Front Axle - Loaded 33.3 %
Rear Axle - Empty 52.7 %
Rear Axle - Loaded 66.7 %
Weights - Approximate
Operating Weight - Empty 88600lb
Operating Weight - Loaded 204000lb
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