Caterpillar 773B Off-Highway Truck Specs

Category: Off-Highway Trucks ➔
Manufacturer: Caterpillar ➔
Model: 773B ➔

The Caterpillar 773B is an off-highway haul truck designed for heavy-duty material transport in mining, quarry, and large earthmoving applications. Built by Caterpillar, the 773B is part of the company's rigid-frame truck lineup and is used to move overburden, aggregate, and other bulk materials across rough terrain. It features a high-capacity dump body, diesel powertrain, and heavy-duty suspension components suited to demanding site conditions. The 773B is commonly associated with large-scale construction and mining fleets where durability, payload capacity, and serviceability are important operating requirements.

Dimensions

Caterpillar 773B Off-Highway Truck Dimensions specifications
Dump Ground Clearance	1.86 ft (0.57 m)
Dump Height	28.42 ft (8.66 m)
Ground Clearance	1.94 ft (0.59 m)
Overall Height	13.88 ft (4.23 m)
Overall Length	30.42 ft (9.27 m)
Overall Width	15.42 ft (4.70 m)
Wheelbase	13.75 ft (4.19 m)

Dump

Caterpillar 773B Off-Highway Truck Dump specifications
Dump Angle	54.5 degrees
Load Capacity - Heaped	44.61 cu yd
Load Capacity - Struck	34.01 cu yd
Lower Time	14.2 sec
Raise Time	11.4 sec
Rated Payload	119,000.00 lbs (53,977.56 kg)

Engine

Caterpillar 773B Off-Highway Truck Engine specifications
Aspiration	turbocharged and aftercooled
Displacement	1,647.70 cu in (27,001.03 cu cm)
Engine Make	2236
Engine Model	3412
Gross Power	682.60 hp (509.02 kw)
Net Power	650.40 hp (485.01 kw)
Power Measured @	2000 rpm

Operational

Caterpillar 773B Off-Highway Truck Operational specifications
Cooling System Fluid Capacity	39.90 gal (151.02 l)
Diff And Final Drive Fluid Capacity	41.00 gal (155.19 l)
Engine Oil Capacity	18.00 gal (68.13 l)
Fuel Capacity	185.00 gal (700.23 l)
Operating Voltage	24 V
Steering System Fluid Capacity	21.40 gal (81.00 l)
Tire Size	21.00-35 32PR (E-3)

Transmission

Caterpillar 773B Off-Highway Truck Transmission specifications
Max Speed	35.70 mph (57.45 kph)
Number Of Gears - Forward	7
Number Of Gears - Reverse	1

Weights

Caterpillar 773B Off-Highway Truck Weights specifications
Empty Weight	86,853.40 lbs (39,396.09 kg)
Loaded Weight	204,002.60 lbs (92,534.14 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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