Acremaster 404 vs Acremaster 421

Verdict: Acremaster 404 vs Acremaster 421

The Acremaster 404 and the Acremaster 421 are both tractors — here is how they stack up on the figures that matter. Acremaster 404 leads on rated power with 390 hp against 210 hp. Acremaster 421 is the lighter machine (9,399 kg vs 15,000 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Acremaster 421 is the newer design (1982 vs 1980). In short: choose the Acremaster 404 for outright pulling power, or the Acremaster 421 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.