Allis Chalmers D-12 vs Allis Chalmers I400
Verdict: Allis Chalmers D-12 vs Allis Chalmers I400
The Allis Chalmers D-12 and the Allis Chalmers I400 are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers I400 leads on rated power with 41 hp against 39 hp. Allis Chalmers D-12 is the lighter machine (1,451 kg vs 3,980 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers I400 is the newer design (1966 vs 1959). In short: choose the Allis Chalmers I400 for outright pulling power, or the Allis Chalmers D-12 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.


