Allis Chalmers D21 Series II vs Allis Chalmers HD11AG Series B
Verdict: Allis Chalmers D21 Series II vs Allis Chalmers HD11AG Series B
The Allis Chalmers D21 Series II and the Allis Chalmers HD11AG Series B are both tractors — here is how they stack up on the figures that matter. Allis Chalmers D21 Series II leads on rated power with 128 hp against 127 hp. Allis Chalmers D21 Series II is the lighter machine (4,309 kg vs 11,340 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers HD11AG Series B holds more fuel (367.1 L vs 196.8 L) for longer stints between fills. Allis Chalmers HD11AG Series B is the newer design (1972 vs 1963). In short: choose the Allis Chalmers D21 Series II for outright pulling power, or the Allis Chalmers HD11AG Series B 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.