Sheppard Diesel SD-4 vs Sheppard Diesel SDO-3

Verdict: Sheppard Diesel SD-4 vs Sheppard Diesel SDO-3

The Sheppard Diesel SD-4 and the Sheppard Diesel SDO-3 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 32 hp. Sheppard Diesel SDO-3 is the lighter machine (2,426 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 1951). In short: choose the Sheppard Diesel SD-4 for outright pulling power, or the Sheppard Diesel SDO-3 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.