Cletrac
Cletrac DD
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.
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 |