John Deere 3520 vs John Deere 40A

Verdict: John Deere 3520 vs John Deere 40A

The John Deere 3520 and the John Deere 40A are both tractors — here is how they stack up on the figures that matter. John Deere 3520 leads on rated power with 30 hp against 29 hp. John Deere 40A is the lighter machine (1,099 kg vs 2,900 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 3520 holds more fuel (51.1 L vs 29.9 L) for longer stints between fills. In short: choose the John Deere 3520 for outright pulling power, or the John Deere 40A if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.