Kubota F3680 vs Kubota F3990
Verdict: Kubota F3680 vs Kubota F3990
The Kubota F3680 and the Kubota F3990 are both lawn tractors — here is how they stack up on the figures that matter. Kubota F3990 leads on rated power with 39 hp against 36 hp. Kubota F3680 is the lighter machine (717 kg vs 778 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota F3990 is the newer design (2014 vs 2006). In short: choose the Kubota F3990 for outright pulling power, or the Kubota F3680 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.