Quick answer:
The Kubota B4200 tractor engine horsepower found is 12.5 hp. PTO horsepower found is 10 hp.
Engine HP12.5 hp
PTO HP10 hp
Power / weight6.9 hp per 1,000 lb
Kubota B4200 Horsepower Specs
| Engine horsepower | 12.5 hp |
|---|---|
| PTO horsepower | 10 hp |
| Rated engine RPM | 2,600 rpm |
| Engine displacement | 36.6 cu in (0.6 L) |
| Operating weight | 1,800 lb (816 kg) |
| PTO-to-engine ratio | 80% of engine horsepower |
| Power-to-weight | 6.9 hp per 1,000 lb |
| Horsepower class | subcompact / small compact tractor horsepower |
Horsepower Benchmarks
Engine horsepower benchmark
PTO horsepower benchmark
Operating weight benchmark
Power-to-weight benchmark
Benchmarks are general reference ranges for compact tractors.
Kubota B4200 Horsepower FAQ
| Engine horsepower | The Kubota B4200 tractor engine horsepower found is 12.5 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO. |
|---|---|
| PTO horsepower | The PTO horsepower found for the Kubota B4200 is 10 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements. |
| Horsepower class | The Kubota B4200 is listed as subcompact / small compact tractor horsepower based on the engine horsepower found. |
| Rated engine RPM | The rated engine speed found for the Kubota B4200 is 2,600 rpm. This is the engine speed used for the listed power rating. |
| Engine specs found | Engine specs found for the Kubota B4200 include 36.6 cu in (0.6 L) displacement. |
| Operating weight | The operating weight found for the Kubota B4200 is 1,800 lb (816 kg). Weight matters because the same horsepower feels different in a light mower than in a heavy tractor. |
| PTO-to-engine horsepower ratio | The PTO-to-engine horsepower ratio for the Kubota B4200 is 80% of engine horsepower based on the figures found. |
| Power-to-weight | The calculated power-to-weight figure for the Kubota B4200 is 6.9 hp per 1,000 lb based on the engine horsepower and operating weight found. |
| Horsepower planning note | The practical split on the Kubota B4200 is engine power at 12.5 hp and PTO power at 10 hp. |
Official information note
Mistakes do happen. Check the operator manual, service manual and official kubotausa.com website for official horsepower, PTO horsepower, engine RPM, torque and operating-weight specifications before buying implements or servicing the machine.

