John Deere 8400 vs John Deere 8640

Verdict: John Deere 8400 vs John Deere 8640

The John Deere 8400 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 228 hp. John Deere 8640 is the lighter machine (12,823 kg vs 18,709 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 8400 is the newer design (1995 vs 1979). In short: choose the John Deere 8640 for outright pulling power, or the John Deere 8400 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.