John Deere 8RX 310 vs John Deere 9400
Verdict: John Deere 8RX 310 vs John Deere 9400
The John Deere 8RX 310 and the John Deere 9400 are both tractors — here is how they stack up on the figures that matter. John Deere 9400 leads on rated power with 312 hp against 310 hp. John Deere 8RX 310 is the lighter machine (19,504 kg vs 33,770 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 8RX 310 is the newer design (2019 vs 1997). In short: choose the John Deere 9400 for outright pulling power, or the John Deere 8RX 310 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.


