Allis Chalmers 18-30 vs Allis Chalmers U

Verdict: Allis Chalmers 18-30 vs Allis Chalmers U

The Allis Chalmers 18-30 and the Allis Chalmers U are both tractors — here is how they stack up on the figures that matter. Allis Chalmers U leads on rated power with 20 hp against 18 hp. Allis Chalmers U is the lighter machine (2,086 kg vs 2,789 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 18-30 holds more fuel (94.6 L vs 90.8 L) for longer stints between fills. Allis Chalmers U is the newer design (1929 vs 1918). In short: choose the Allis Chalmers U for outright pulling power, or the Allis Chalmers 18-30 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.