Caterpillar 773B Dump Truck

Dimensions

Dump Ground Clearance 2 ft (1 m)
Dump Height 29 ft (9 m)
Ground Clearance 2 ft (1 m)
Overall Height 14 ft (4 m)
Overall Length 31 ft (9 m)
Overall Width 16 ft (5 m)
Wheelbase 14 ft (4 m)

Dump

Dump Angle 54.5 degrees
Load Capacity – heaped 45 cu yd (34 cu m)
Load Capacity – Struck 34 cu yd (26 cu m)
Lower Time 14.2 seconds
Raise Time 11.4 seconds

Engine

Aspiration turbocharged and aftercooled
Displacement 1,648 cu in (27,001 cu cm)
Engine Model 3412
Gross Power 683 hp (509 kw)
Net Power 650 hp (485 kw)
Power Measured @ 2000 rpm
Torque Measured @ turbocharged and aftercooled rpm

Operating Specifications

Cooling System Fluid Capacity 40 gal (151 l)
Diff and Final Drive Fluid Capacity 41 gal (155 l)
Engine Oil Capacity 18 gal (68 l)
Fuel Capacity 185 gal (700 l)
Operating Voltage 24 volts
Steering System Fluid Capacity 21 gal (81 l)
Tire Size 21.00-35 32PR (E-3)

Service Refill Capacities

Brake/Hoist Hydraulic Tank 119,000 gal (450,415 l)

Transmission

Max Speed 36 mph (57 kph)
Number of Gears – Forward 7
Number of Gears – Reverse 1

Weights

Empty Weight 86,853 lbs (39,396 kg)
Front Axle – Empty 68900
Loaded Weight 204,003 lbs (92,534 kg)
Weight Distribution Front – empty 47.3%
Weight Distribution Front – loaded 33.3%
Weight Distribution Rear – empty 52.7%
Weight Distribution Rear – loaded 66.7%
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