Allis Chalmers 645 vs Allis Chalmers HD-16G
Verdict: Allis Chalmers 645 vs Allis Chalmers HD-16G
The Allis Chalmers 645 and the Allis Chalmers HD-16G are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers 645 leads on rated power with 165 hp against 150 hp. Allis Chalmers 645 is the lighter machine (10,401 kg vs 22,044 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 645 is the newer design (1965 vs 1956). In short: choose the Allis Chalmers 645 for outright pulling power, or the Allis Chalmers HD-16G 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.


