The John Deere X739 is a large, powerful machine that bridges the gap between lawn tractors and subcompact tractors. It boasts a liquid-cooled 25.5 horsepower electronic fuel-injected engine ...

How the power is used also matters a lot. A 15-20 horsepower lawn tractor is perfect for mowing or light tasks, while a 21-35 horsepower subcompact can handle small jobs and front-end loaders.