Allis Chalmers D21 Series I vs Allis Chalmers HD19
Verdict: Allis Chalmers D21 Series I vs Allis Chalmers HD19
The Allis Chalmers D21 Series I and the Allis Chalmers HD19 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers HD19 leads on rated power with 111 hp against 103 hp. Allis Chalmers D21 Series I is the lighter machine (4,309 kg vs 18,323 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers HD19 holds more fuel (412.6 L vs 196.8 L) for longer stints between fills. Allis Chalmers D21 Series I is the newer design (1963 vs 1947). In short: choose the Allis Chalmers HD19 for outright pulling power, or the Allis Chalmers D21 Series I 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.