Hesston 640 vs Hesston 666

Verdict: Hesston 640 vs Hesston 666

The Hesston 640 and the Hesston 666 are both tractors — here is how they stack up on the figures that matter. Hesston 640 leads on rated power with 63 hp against 62 hp. Hesston 640 is the lighter machine (2,145 kg vs 5,689 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Hesston 666 is the newer design (1983 vs 1981). In short: choose the Hesston 640 for outright pulling power, or the Hesston 666 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.