Deutz-Allis 1817 Sigma vs Deutz-Allis 1916 Ultima
Verdict: Deutz-Allis 1817 Sigma vs Deutz-Allis 1916 Ultima
The Deutz-Allis 1817 Sigma and the Deutz-Allis 1916 Ultima are both lawn tractors — here is how they stack up on the figures that matter. Deutz-Allis 1817 Sigma leads on rated power with 17 hp against 16 hp. Deutz-Allis 1817 Sigma is the lighter machine (232 kg vs 374 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Deutz-Allis 1916 Ultima holds more fuel (16.1 L vs 8.3 L) for longer stints between fills. Deutz-Allis 1817 Sigma is the newer design (1989 vs 1988). In short: choose the Deutz-Allis 1817 Sigma for outright pulling power, or the Deutz-Allis 1916 Ultima 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.