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Cletrac AD

Cletrac AD tractor
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The Cletrac AD is an agricultural crawler tractor produced by Cletrac from 1937 to 1959. It features a 3.7L 4-cylinder liquid-cooled diesel engine, a 3-speed gear transmission with 3 forward and 1 reverse gears, and an open operator station. The tractor weighs 7950 lbs (3606 kg) and has track width options of 12, 14, or 16 inches. It was built in Cleveland, Ohio, USA and was available in diesel, gasoline, and hillside variants.
Cletrac ADCletrac tractoragricultural crawler tractor3.7L diesel engine3-speed transmissiontractor specifications
Power42 hp[B]
Founded1937 - 1959
ModelAD

Technical Specifications

Detailed specifications and technical data for Cletrac AD

Power

Belt (claimed):38 hp (28.3 kW)
Drawbar (claimed):30.5 hp (22.7 kW)

Engine

Type:diesel
Cooling:liquid-cooled
Cylinders:4-cylinder
Fuel tank:18 gal (68.1 L)
Rated RPM:1530
Air cleaner:oil bath
Bore/Stroke:4.00x4.50 inches (102 x 114 mm)
Displacement:226 ci (3.7 L)
Starter type:electric

Variants

AD:diesel
AG:gasoline
ADH:hillside

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Cleveland, Ohio, USA
Manufacturer:Cletrac
Years produced:1937 - 1959

Transmission

Type:gear
Gears:3 forward and 1 reverse
Speeds:3-speed gear

AD Serial Numbers

1937:1Z00
1938:1Z52
1939:5Z36
1940:9Z32
1941:1Z106
1942:1Z690
1943:-----
1944:1Z836
1945:2Z172
1946:2Z672
1947:3Z700
1948:4Z912
1949:6Z214
1950:7Z390
1951:7Z422
1952:8Z135

Dimensions & Tracks

Length:109.5 inches (278 cm)
Weight:7950 lbs (3606 kg)
AD Gauge:42 inches (106 cm)
ADH Gauge:50 inches (127 cm)
Track widths:12 inches (30 cm), 14 inches (35 cm), 16 inches (40 cm)
Ground clearance:13.5 inches (34 cm)
Height (steering wheel):54 inches (137 cm)