Cletrac
Cletrac BD
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.
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 |