Allis Chalmers 615 vs Allis Chalmers 640
Verdict: Allis Chalmers 615 vs Allis Chalmers 640
The Allis Chalmers 615 and the Allis Chalmers 640 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 57 hp. Allis Chalmers 640 is the lighter machine (3,687 kg vs 4,400 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 1966). In short: choose the Allis Chalmers 640 for outright pulling power, or the Allis Chalmers 615 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.