Sheppard Diesel SD-4

The Sheppard Diesel SD-4 is a tractor produced by Sheppard Diesel. It is equipped with a 319 ci 5.2 L engine. The listed engine power is Diesel (listed): 51 hp / 38.0 kW. Transmission: 10 forward and 2 reverse. Operating weight: 6250 lbs 2835 kg.

Engine Power

Diesel (listed): 51 hp / 38.0 kW

Fuel & Capacities

Diesel

Transmission

10 forward and 2 reverse

Operating Weight

6250 lbs 2835 kg

Overview

	1954 - 1956 Row-Crop tractor

Production
Manufacturer	Sheppard Diesel
Row-Crop tractor
Built in Hanover, Pennsylvania, USA
Total built	231

Sheppard Diesel SD-4 Engine
Sheppard Diesel 5.2L 4-cyl diesel
Engine details ...

Sheppard Diesel SD-4 Transmission
10-speed gear
Transmission details ...

Sheppard Diesel SD-4 Power
Engine	51 hp 38.0 kW
Plows	4

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

Power Take-off (PTO)
Rear PTO Type	540

Dimensions & Tires
Wheelbase	91.5 inches 232 cm
Weight	6250 lbs 2835 kg
Front tire	6.00-16
Rear tire	13x38
Full dimensions and tires ...

Belt Pulley
Diameter	10 inches 25 cm
Width	7.5 inches 19 cm
RPM	1150
Speed	3010 ft/min 917.45 meters/min

Engine

Engine Detail — 319 ci / 5.2 L Diesel

Manufacturer	Sheppard Diesel 4-319
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	319 ci 5.2 L
Bore/Stroke	4.50x5.00 inches 114 x 127 mm
Power	51 hp 38.0 kW
Fuel system	indirect injection
Compression	22:1
Rated RPM	1650
Starter type	electric

Transmission

Transmission — 10 forward and 2 reverse gear

Type	gear
Gears	10 forward and 2 reverse
Clutch	dry disc
In the final year of production, a torque converter was an option on the SD-4 transmission.

Dimensions

Sheppard Diesel SD-4 Tires
Ag front	6.00-16
Ag rear	13x38

Dimensions
Wheelbase	91.5 inches 232 cm
Length	140.7 inches 357 cm
Height	83.5 inches 212 cm
Weight	6250 lbs 2835 kg
Front tread	56 to 80 inches 142 to 203 cm
Front tread	9.25/12.75 inches 23/32 cm (tricycle)
Rear tread	56 to 84 inches 142 to 213 cm

Photos

Sheppard Diesel SD-4

Recommended Implements & Sizing Guide

Engineering recommendations for Sheppard Diesel SD-4 based on its 51 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	6 ft (72 in)1.8 m	Medium Duty	Medium pasture clearing; rear slip-clutch recommended.
Rotary TillerSeedbed Prep	66 to 72 in165 - 180 cm	Medium Duty	Standard utility tiller; slip clutch protection required.
Disc HarrowSecondary Tillage	7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙	Medium Duty	Field leveling and clod breaking behind plows.
Hay BalerHay & Forage	Small Square Baler (14x18")小方捆打捆机 (36x46 cm)	Medium Duty	Classic 2-string baler for horse and small livestock hay.

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-4.

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