Compare/Sheppard Diesel SD-1 vs Sheppard Diesel SD-4

Sheppard Diesel SD-1 vs Sheppard Diesel SD-4

Verdict: Sheppard Diesel SD-1 vs Sheppard Diesel SD-4

The Sheppard Diesel SD-1 and the Sheppard Diesel SD-4 are both tractors — here is how they stack up on the figures that matter. Sheppard Diesel SD-4 leads on rated power with 51 hp against 4 hp. Sheppard Diesel SD-1 is the lighter machine (498 kg vs 2,835 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Sheppard Diesel SD-4 is the newer design (1954 vs 1949). In short: choose the Sheppard Diesel SD-4 for outright pulling power, or the Sheppard Diesel SD-1 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Sheppard Diesel

Fit score

Best match

Clear

Sheppard Diesel

Fit score

Best match

Clear

Rated power

4 hp

51 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Sheppard DieselReference

air-cooledReference

In the final year of production, a torque converter was an option on the SD-4 transmission.Reference

Total built

14Reference

231Reference

Final drives

—

spur gearReference

Engine

3.0 kWReference

38.0 kWReference

Plows

1Reference

4Reference

Displacement

0.5 LReference

5.2 LReference

Bore/Stroke

76 x 102 mmReference

114 x 127 mmReference

Power

3.0 kWReference

38.0 kWReference

Fuel system

indirect injectionReference

Rated RPM

2000Reference

1650Reference

Starter type

electricReference

Compression

—

22:1Reference

Transmission

Type

gearReference

Gears

3 forward and 1 reverseReference

10 forward and 2 reverseReference

Clutch

—

dry discReference

Dimensions

Weight

498 kgReference

2835 kgReference

Wheelbase

—

232 cmReference

Front tire

—

6.00-16Reference

Rear tire

—

13x38Reference

Ag front

—

6.00-16Reference

Ag rear

—

13x38Reference

Length

—

357 cmReference

Height

—

212 cmReference

Front tread

—

23/32 cmReference

Rear tread

—

142 to 213 cmReference

PTO & Hydraulics

Rear PTO Type

—

540Reference

Capacities

Diameter

—

25 cmReference

Width

—

19 cmReference

RPM

—

1150Reference

Speed

—

917.45 meters/minReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.