Allis Chalmers 18-30 vs Allis Chalmers 20-35

Verdict: Allis Chalmers 18-30 vs Allis Chalmers 20-35

The Allis Chalmers 18-30 and the Allis Chalmers 20-35 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 20-35 leads on rated power with 20 hp against 18 hp. Allis Chalmers 18-30 is the lighter machine (2,789 kg vs 3,011 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 20-35 is the newer design (1922 vs 1918). In short: choose the Allis Chalmers 20-35 for outright pulling power, or the Allis Chalmers 18-30 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.