McCormick-Deering 10-20 vs McCormick-Deering O-12

Verdict: McCormick-Deering 10-20 vs McCormick-Deering O-12

The McCormick-Deering 10-20 and the McCormick-Deering O-12 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering O-12 leads on rated power with 19 hp against 10 hp. McCormick-Deering O-12 is the lighter machine (1,451 kg vs 1,678 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering 10-20 holds more fuel (54.9 L vs 41.6 L) for longer stints between fills. McCormick-Deering O-12 is the newer design (1934 vs 1923). In short: choose the McCormick-Deering O-12 for outright pulling power, or the McCormick-Deering 10-20 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.