SFV 403 vs SFV 551

Verdict: SFV 403 vs SFV 551

The SFV 403 and the SFV 551 are both tractors — here is how they stack up on the figures that matter. SFV 551 leads on rated power with 52 hp against 42 hp. SFV 403 is the lighter machine (2,600 kg vs 3,299 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. SFV 403 is the newer design (1958 vs 1951). In short: choose the SFV 551 for outright pulling power, or the SFV 403 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.