Allis Chalmers 545B vs Allis Chalmers 840B
Verdict: Allis Chalmers 545B vs Allis Chalmers 840B
The Allis Chalmers 545B and the Allis Chalmers 840B are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers 545B leads on rated power with 102 hp against 85 hp. Allis Chalmers 840B is the lighter machine (7,555 kg vs 8,618 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 840B is the newer design (1975 vs 1972). In short: choose the Allis Chalmers 545B for outright pulling power, or the Allis Chalmers 840B 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.