John Deere 8400T vs John Deere 8640

Verdict: John Deere 8400T vs John Deere 8640

The John Deere 8400T and the John Deere 8640 are both tractors — here is how they stack up on the figures that matter. John Deere 8640 leads on rated power with 229 hp against 227 hp. John Deere 8400T is the lighter machine (11,340 kg vs 12,823 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 8400T is the newer design (1997 vs 1979). In short: choose the John Deere 8640 for outright pulling power, or the John Deere 8400T if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.