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Cletrac BD

Cletrac BD tractor
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The Cletrac BD is an agricultural crawler tractor produced by Cletrac from 1936 to 1956. It was built in Cleveland, Ohio, USA. The BD variant is a diesel-powered model equipped with a Hercules 4.9L 6-cylinder liquid-cooled diesel engine. It features a 4-speed gear transmission with 2 reverse gears and a dry disc clutch. The tractor has an open operator station and uses crawler drive. It delivers a claimed drawbar power of 38.1 hp and belt power of 48.1 hp, with tested drawbar and belt powers slightly lower. The BD model supports 4 plows and offers track widths ranging from 14 to 20 inches. Dimensions include a length of 116.5 inches, width of 60.125 inches, height of 59 inches, and weight of 9400 lbs. The tractor includes a belt pulley with a diameter of 12 inches and width of 8.5 inches, running at 1045 RPM with a speed of 3300 ft/min.
Cletrac BDCletrac tractorcrawler tractordiesel tractorHercules engineagricultural tractortractor specifications
Power53 hp[B]
Founded1936 - 1956
ModelBD

Technical Specifications

Detailed specifications and technical data for Cletrac BD

Power

Plows:4
Belt (tested):45.37 hp (33.8 kW)
Belt (claimed):48.1 hp (35.9 kW)
Drawbar (tested):36.07 hp (26.9 kW)
Drawbar (claimed):38.1 hp (28.4 kW)

Engine

Make:Hercules
Type:diesel
Cooling:liquid-cooled
Cylinders:6-cylinder
Rated RPM:1400
Bore/Stroke:3.75x4.50 inches (95 x 114 mm)
Displacement:298 ci (4.9 L)
Starter type:electric

Tracks

Width options:14 inches (35 cm), 16 inches (40 cm), 18 inches (45 cm), 20 inches (50 cm)

Variants

BD:diesel
BG:gasoline
BDH:hillside

Dimensions

Width:60.125 inches (152 cm)
Height:59 inches (149 cm)
Length:116.5 inches (295 cm)
Weight:9400 lbs (4263 kg)
BD Gauge:44 inches (111 cm)
BDH Gauge:52 inches (132 cm)

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Cleveland, Ohio, USA
Years produced:1936 - 1956

Belt Pulley

RPM:1045
Speed:3300 ft/min (1005.84 meters/min)
Width:8.5 inches (21 cm)
Diameter:12 inches (30 cm)

Transmission

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

Serial Numbers

1936:2D000
1937:2D094
1938:2D894
1939:3D708
1940:4D206
1941:5D422
1942:6D032
1943:6D286
1944:6D782
1945:7D714
1946:8D474
1947:9D680
1948:11D224
1949:13D818
1950:15D658
1951:16D514
1952:17D684
1953:3500000
1954:4500000
1955:19D700
1956:20D220