Wallis 12-20 vs Wallis OK 15-27

Verdict: Wallis 12-20 vs Wallis OK 15-27

The Wallis 12-20 and the Wallis OK 15-27 are both tractors — here is how they stack up on the figures that matter. Wallis OK 15-27 leads on rated power with 15 hp against 12 hp. Wallis 12-20 is the lighter machine (1,567 kg vs 1,646 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Wallis 12-20 is the newer design (1929 vs 1923). In short: choose the Wallis OK 15-27 for outright pulling power, or the Wallis 12-20 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.