Allis Chalmers D21 Series II vs Allis Chalmers HD11AG
Verdict: Allis Chalmers D21 Series II vs Allis Chalmers HD11AG
The Allis Chalmers D21 Series II and the Allis Chalmers HD11AG are both tractors — here is how they stack up on the figures that matter. Allis Chalmers HD11AG leads on rated power with 130 hp against 128 hp. Allis Chalmers D21 Series II is the lighter machine (4,309 kg vs 10,432 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers HD11AG holds more fuel (340.7 L vs 196.8 L) for longer stints between fills. Allis Chalmers HD11AG is the newer design (1967 vs 1963). In short: choose the Allis Chalmers HD11AG for outright pulling power, or the Allis Chalmers D21 Series II 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.