Sheppard Diesel
Sheppard Diesel SD-4
The Sheppard Diesel SD-4 is a row-crop tractor produced from 1954 to 1956 by Sheppard Diesel in Hanover, Pennsylvania, USA. It features a 5.2L 4-cylinder liquid-cooled diesel engine producing 51 hp (38.0 kW), a 10-speed gear transmission with 2 reverse gears, and two-wheel drive with spur gear final drives. The tractor has an open operator station, manual steering, and disc brakes. It weighs 6250 lbs (2835 kg) and has a wheelbase of 91.5 inches (232 cm). The SD-4 was built in a total of 231 units and is capable of pulling 4 plows. A torque converter option was available in the final production year. The rear PTO operates at 540 rpm. Tire sizes are 6.00-16 front and 13x38 rear.
Power51 hp
Founded1954 - 1956
ModelSD-4
Technical Specifications
Detailed specifications and technical data for Sheppard Diesel SD-4
Power
| Plows | 4 |
|---|---|
| Engine power | 51 hp (38.0 kW) |
Tires
| Ag rear | 13x38 |
|---|---|
| Ag front | 6.00-16 |
Engine
| Type | diesel |
|---|---|
| Model | Sheppard Diesel 4-319 |
| Power | 51 hp (38.0 kW) |
| Cooling | liquid-cooled |
| Cylinders | 4-cylinder |
| Rated RPM | 1650 |
| Bore/Stroke | 4.50x5.00 inches (114 x 127 mm) |
| Compression | 22:1 |
| Fuel system | indirect injection |
| Displacement | 319 ci (5.2 L) |
| Starter type | electric |
Dimensions
| Height | 83.5 inches (212 cm) |
|---|---|
| Length | 140.7 inches (357 cm) |
| Weight | 6250 lbs (2835 kg) |
| Wheelbase | 91.5 inches (232 cm) |
| Rear tread | 56 to 84 inches (142 to 213 cm) |
| Front tread | 56 to 80 inches (142 to 203 cm) |
| Front tread (tricycle) | 9.25/12.75 inches (23/32 cm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Disc brakes |
| Steering | Manual steering |
| Final drives | spur gear |
| Operator station | Open operator station |
Production
| Type | Row-Crop tractor |
|---|---|
| Built in | Hanover, Pennsylvania, USA |
| Years made | 1954 - 1956 |
| Total built | 231 |
| Manufacturer | Sheppard Diesel |
Belt Pulley
| RPM | 1150 |
|---|---|
| Speed | 3010 ft/min (917.45 meters/min) |
| Width | 7.5 inches (19 cm) |
| Diameter | 10 inches (25 cm) |
Transmission
| Type | gear |
|---|---|
| Gears | 10 forward and 2 reverse |
| Notes | In the final year of production, a torque converter was an option on the SD-4 transmission. |
| Clutch | dry disc |
Power Take-off (PTO)
| Rear PTO Type | 540 |
|---|