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Sheppard Diesel SD-4

Sheppard Diesel SD-4 tractor
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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.
Sheppard Diesel SD-4tractorspecificationsenginetransmissiondimensionspowerrow-crop tractor
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

Related Models

Sheppard Diesel SD-3

Model:SD-3