Caterpillar 773D Dump Truck

Body Hoists

Body Lower Time – Float 12.5 seconds
Body Raise Time – High Idle 9.5 seconds
Pump Flow – High Idle 148 gpm (562 lpm)
Relief Valve Setting – Raise 2498.27 psi

Dimensions

Centerline Front Tire Width 11 ft (3 m)
Dump Ground Clearance 2 ft (1 m)
Dump Height 29 ft (9 m)
Front Canopy Height 15 ft (4 m)
Ground Clearance 2 ft (1 m)
Inside Body Length 21 ft (6 m)
Loading Height – Empty 13 ft (4 m)
Operating Width 13 ft (4 m)
Overall Height 13 ft (4 m)
Overall Height – Body Raised 29 ft (9 m)
Overall Length 32 ft (10 m)
Overall Width 15 ft (4 m)
Wheel Base 14 ft (4 m)
Wheelbase 14 ft (4 m)

Dump

Load Capacity – heaped 46 cu yd (35 cu m)
Load Capacity – Struck 35 cu yd (27 cu m)
Lower Time 12.5 seconds
Raise Time 9.5 seconds

Engine

Bore 5 in (14 cm)
Displacement 1,648 cu in (27,001 cu cm)
Engine Model Cat 3412E TA-HEUI
Flywheel Power 650 hp (485 kw)
Gross Power 683 hp (509 kw)
Gross Power – SAE J1995 650 hp (485 kw)
Max Torque 1,707 lbs ft (2,314 nm)
Net Power 644 hp (480 kw)
Net Power – 80/1269/EEC 34 hp (25 kw)
Net Power – Cat 650 hp (485 kw)
Net Power – ISO 9249 41 hp (31 kw)
Net Power – SAE J1349 54 hp (40 kw)
Number of Cylinders 12
Power Measured @ 2000 rpm
Stroke 6 in (15 cm)

Final Drives

Planetary Ratio Planetary

Operating Specifications

Body Capacity – SAE 2:1 45 cu yd (34 cu m)
Body Capacity – Struck 34 cu yd (26 cu m)
Brake/Hoist System Fluid Capacity 35 gal (133 l)
Circle Clearance Diameter 79 ft (24 m)
Cooling System Fluid Capacity 36 gal (137 l)
Diff and Final Drive Fluid Capacity 37 gal (140 l)
Engine Oil Capacity 20 gal (76 l)
Fuel Capacity 185 gal (700 l)
Lower Time 12.5 seconds
Maximum Capacity 96,260 lbs (43,663 kg)
Nominal Payload Class (100%) 96,260 lbs (43,663 kg)
Operating Voltage 24 volts
Raise Time 9.5 seconds
Steering System Fluid Capacity 9 gal (34 l)
Tire Size 24.00R35
Top Speed – Loaded 41 mph (66 kph)

Service Refill Capacities

Brake Hoist System – Includes Tank 104 gal (393 l)
Cooling System 40 gal (151 l)
Fuel Tank 185 gal (700 l)
Steering System – Including Tank 21 gal (81 l)
Steering Tank 15 gal (55 l)
Torque Converter – Brake – Hoist Hydraulic Tank 58 gal (220 l)
Torque Converter – Transmission System – Including Sump 27 gal (100 l)

Tires

Standard Tire 24.00R35 (E-4)

Transmission

Forward – 1 6 mph (10 kph)
Forward – 2 9 mph (14 kph)
Forward – 3 12 mph (19 kph)
Forward – 4 16 mph (25 kph)
Forward – 5 21 mph (34 kph)
Forward – 6 29 mph (46 kph)
Forward – 7 41 mph (66 kph)
Max Speed 39 mph (62 kph)
Number of Gears – Forward 7
Number of Gears – Reverse 1
Reverse 7 mph (12 kph)

Weights

Empty Weight 87,083 lbs (39,500 kg)
Front Axle – Empty 47.3%
Front Axle – Loaded 33.3%
Loaded Weight 219,007 lbs (99,340 kg)
Operating Weight – Loaded 204,000 lbs (92,533 kg)
Rear Axle – Empty 52.7%
Rear Axle – Loaded 66.7%
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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