Allis Chalmers 640 vs Allis Chalmers 650
Verdict: Allis Chalmers 640 vs Allis Chalmers 650
The Allis Chalmers 640 and the Allis Chalmers 650 are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers 640 leads on rated power with 63 hp against 59 hp. Allis Chalmers 640 is the lighter machine (3,687 kg vs 8,900 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 640 is the newer design (1980 vs 1970). In short: choose the Allis Chalmers 640 for outright pulling power, or the Allis Chalmers 650 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.


