Allis Chalmers 712 vs Kubota F3990

Verdict by the numbers

• The Kubota F3990 is more powerful than the Allis Chalmers 712: 39 HP versus 12 HP (+27 HP, +225%).
• The Kubota F3990 is the more recent model: production started in 2014, versus 1974 for the Allis Chalmers 712.
• The Kubota F3990 is heavier: 778 kg versus 356 kg for the Allis Chalmers 712.
• The Kubota F3990 has the wider mower deck: 60" versus 42".