Sheppard Diesel SD-3

The Sheppard Diesel SD-3 is a tractor produced by Sheppard Diesel. It is equipped with a 212.8 ci 3.5 L engine. The listed engine power is Diesel (listed): 32 hp / 23.9 kW. Transmission: 8 forward and 2 reverse. Operating weight: 4196 lbs 1903 kg.

Engine Power

Diesel (listed): 32 hp / 23.9 kW

Fuel & Capacities

Diesel

Transmission

8 forward and 2 reverse

Operating Weight

4196 lbs 1903 kg

Overview

	1949 - 1956 Row-Crop tractor

Production
Manufacturer	Sheppard Diesel
Row-Crop tractor
Built in Hanover, Pennsylvania, USA
Total built	1441

Variants
SD-3	row-crop
SDO-3	orchard
SDG-3	grove

Sheppard Diesel SD-3 Power
Engine	32 hp 23.9 kW
Plows	3

Mechanical
Two-wheel drive
Final drives	spur gear
Manual steering
Mechanical drum brakes
Open operator station.

Power Take-off (PTO)
Rear PTO Type	540

Dimensions & Tires
Wheelbase	92 inches 233 cm
Weight	4196 lbs 1903 kg
Front tire	6.00-16
Rear tire	11-38
Full dimensions and tires ...

Belt Pulley
Diameter	8.25 inches 20 cm
Width	7.5 inches 19 cm
RPM	1458
Speed	3048 ft/min 929.03 meters/min

References

Plow 4 hours for the cost of 1 published by Sheppard Diesel

Engine

Engine options
Sheppard Diesel 3.1L 3-cyl diesel
Sheppard Diesel 3.5L 3-cyl diesel

Engine Detail — 188.5 ci / 3.1 L Diesel

Manufacturer	Sheppard Diesel 6B
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	188.5 ci 3.1 L
Bore/Stroke	4.00x5.00 inches 102 x 127 mm
Power	32 hp 23.9 kW
Fuel system	indirect injection
Compression	22:1
Rated RPM	1650
Starter type	electric

Engine Detail — 212.8 ci / 3.5 L Diesel

Manufacturer	Sheppard Diesel 6E
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	212.8 ci 3.5 L
Bore/Stroke	4.25x5.00 inches 108 x 127 mm
Fuel system	indirect injection

Transmission

Transmission options
8-speed gear
8-speed

Transmission — 8 forward and 2 reverse gear

Type	gear
Gears	8 forward and 2 reverse
Clutch	dry disc
With 11-38 rear tires.

Transmission — 8 forward and 2 reverse

Gears

8 forward and 2 reverse

Dimensions

Sheppard Diesel SD-3 Tires
Ag front	6.00-16
Ag rear	11-38
Ag front	5.50-16
Ag rear	12-38

Dimensions
Wheelbase	92 inches 233 cm
Length	131 inches 332 cm
Height	70.25 inches 178 cm
Weight	4196 lbs 1903 kg
Front tread	56 to 80 inches 142 to 203 cm
Front tread	9.25/12.75 inches 23/32 cm (tricycle)
Rear tread	54 to 82 inches 137 to 208 cm

Photos

Sheppard Diesel SD-3

Recommended Implements & Sizing Guide

Engineering recommendations for Sheppard Diesel SD-3 based on its 32 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	5 ft (60 in)1.5 m	Medium Duty	Pasture maintenance and weeds up to 1.5" diameter.
Rotary TillerSeedbed Prep	54 to 60 in135 - 150 cm	Medium Duty	Thorough seedbed preparation in orchards and vegetable plots.
Disc HarrowSecondary Tillage	5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)	Light Duty	Small acreage soil break-up and secondary aeration.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Sheppard Diesel SD-3.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours