Cletrac
Cletrac AD
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.
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) |