Allis Chalmers U vs Allis Chalmers WF

Verdict: Allis Chalmers U vs Allis Chalmers WF

The Allis Chalmers U and the Allis Chalmers WF are both tractors — here is how they stack up on the figures that matter. Allis Chalmers WF leads on rated power with 22 hp against 20 hp. Allis Chalmers WF is the lighter machine (1,440 kg vs 2,086 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers U holds more fuel (90.8 L vs 56.8 L) for longer stints between fills. Allis Chalmers WF is the newer design (1938 vs 1929). In short: choose the Allis Chalmers WF for outright pulling power, or the Allis Chalmers U if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.