Sheppard Diesel

Sheppard Diesel SD-3

The Sheppard Diesel SD-3 is a row-crop tractor produced from 1949 to 1956 by Sheppard Diesel in Hanover, Pennsylvania, USA. It features a 32 hp diesel engine with options of 3.1L or 3.5L 3-cylinder liquid-cooled engines, an 8-speed gear transmission with 8 forward and 2 reverse gears, and two-wheel drive with spur gear final drives. The tractor has a rear PTO type of 540 rpm and is capable of pulling 3 plows. It has an open operator station with manual steering and mechanical drum brakes. Dimensions include a 92 inch wheelbase, 131 inch length, 70.25 inch height, and a weight of 4196 lbs. Tire options include front 6.00-16 or 5.50-16 and rear 11-38 or 12-38. The SD-3 was built in variants for row-crop, orchard, and grove applications.
Power32 hp
Founded1949 - 1956
ModelSD-3

Technical Specifications

Detailed specifications and technical data for Sheppard Diesel SD-3

Power
Plows3
Engine power32 hp (23.9 kW)
Engine
Power32 hp (23.9 kW)
OptionsSheppard Diesel 3.1L 3-cyl diesel, Sheppard Diesel 3.5L 3-cyl diesel
Rated RPM1650
Bore/Stroke4.00x5.00 inches (102 x 127 mm)
Compression22:1
Fuel systemindirect injection
Displacement188.5 ci (3.1 L)
Starter typeelectric
Bore/Stroke 6E4.25x5.00 inches (108 x 127 mm)
Fuel system 6Eindirect injection
Displacement 6E212.8 ci (3.5 L)
Sheppard Diesel 6Bdiesel, 3-cylinder, liquid-cooled
Sheppard Diesel 6Ediesel, 3-cylinder, liquid-cooled
Variants
SD-3row-crop
SDG-3grove
SDO-3orchard
Mechanical
DriveTwo-wheel drive
BrakesMechanical drum brakes
SteeringManual steering
Final drivesspur gear
Operator stationOpen operator station
Production
TypeRow-Crop tractor
Built inHanover, Pennsylvania, USA
Total built1441
ManufacturerSheppard Diesel
Years produced1949 - 1956
Belt Pulley
RPM1458
Speed3048 ft/min (929.03 meters/min)
Width7.5 inches (19 cm)
Diameter8.25 inches (20 cm)
Transmission
Typegear
Gears8 forward and 2 reverse
Clutchdry disc
Options8-speed gear, 8-speed
Dimensions & Tires
Height70.25 inches (178 cm)
Length131 inches (332 cm)
Weight4196 lbs (1903 kg)
Rear tire11-38, 12-38
Wheelbase92 inches (233 cm)
Front tire6.00-16, 5.50-16
Rear tread54 to 82 inches (137 to 208 cm)
Front tread56 to 80 inches (142 to 203 cm), 9.25/12.75 inches (23/32 cm) (tricycle)
Power Take-off (PTO)
Rear PTO Type540