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Cletrac DD

Cletrac DD tractor
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The Cletrac DD is an agricultural crawler tractor produced from 1937 to 1958 by Cletrac, a part of Oliver, built in Cleveland, Ohio, USA. It features a Hercules 7.8L 6-cylinder diesel engine, a 4-speed gear transmission with 2 reverse gears, and an open operator station. The tractor has a drawbar power of 45 hp claimed and 58.81 hp tested, and a belt power of 63 hp claimed and 73.3 hp tested. It weighs 13,300 lbs and measures 128 inches in length and 67 inches in height.
Cletrac DDtractorcrawler tractorHercules enginediesel tractoragricultural tractortractor specifications
Power70 hp[B]
Founded1937 - 1958
ModelDD

Technical Specifications

Detailed specifications and technical data for Cletrac DD

Power

Belt (tested):73.3 hp (54.7 kW)
Belt (claimed):63 hp (47.0 kW)
Drawbar (tested):58.81 hp (43.9 kW)
Drawbar (claimed):45 hp (33.6 kW)

Engine

Type:diesel
Cooling:liquid-cooled vertical I-head
Cylinders:6-cylinder
Fuel tank:30 gal (113.6 L)
Rated RPM:1300
Air cleaner:Vortox oil bath
Bore/Stroke:4.375x5.25 inches (111 x 133 mm)
Displacement:474 ci (7.8 L)
Engine model:Hercules DRXB
Starter volts:24
Coolant capacity:41 qts (38.8 L)
Compression ratio:15:1

Variants

DD:diesel
DG:gasoline

Dimensions

Height:67 inches (170 cm)
Length:128 inches (325 cm)
Weight:13300 lbs (6032 kg)

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Cleveland, Ohio, USA
Total built:5,624
Years produced:1937 - 1958

Transmission

Type:gear
Gears:4 forward and 2 reverse
Clutch:dry disc