John Deere 9400 vs John Deere 9420

Verdict: John Deere 9400 vs John Deere 9420

The John Deere 9400 and the John Deere 9420 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 312 hp. John Deere 9400 is the lighter machine (33,770 kg vs 34,870 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 9420 is the newer design (2002 vs 1997). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.