Quick answer:
The Kubota M105S tractor engine horsepower found is 105 hp. PTO horsepower found is 93 hp.
Engine HP105 hp
PTO HP93 hp
Power / weight12.1 hp per 1,000 lb
Kubota M105S Horsepower Specs
| Engine horsepower | 105 hp |
|---|---|
| PTO horsepower | 93 hp |
| Rated engine RPM | 2,600 rpm |
| Engine displacement | 231.9 cu in (3.8 L) |
| Engine | Kubota 3.8L |
| Operating weight | 8,642 lb (3,920 kg) |
| PTO-to-engine ratio | 88.6% of engine horsepower |
| Power-to-weight | 12.1 hp per 1,000 lb |
| Horsepower class | large utility tractor horsepower |
Horsepower Benchmarks
Engine horsepower benchmark
PTO horsepower benchmark
Operating weight benchmark
Power-to-weight benchmark
Benchmarks are general reference ranges for utility tractors.
Kubota M105S Horsepower FAQ
| Engine horsepower | The Kubota M105S tractor engine horsepower found is 105 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO. |
|---|---|
| PTO horsepower | The PTO horsepower found for the Kubota M105S is 93 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements. |
| Horsepower class | The Kubota M105S is listed as large utility tractor horsepower based on the engine horsepower found. |
| Rated engine RPM | The rated engine speed found for the Kubota M105S is 2,600 rpm. This is the engine speed used for the listed power rating. |
| Engine specs found | Engine specs found for the Kubota M105S include Kubota 3.8L and 231.9 cu in (3.8 L) displacement. |
| Operating weight | The operating weight found for the Kubota M105S is 8,642 lb (3,920 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 M105S is 88.6% of engine horsepower based on the figures found. |
| Power-to-weight | The calculated power-to-weight figure for the Kubota M105S is 12.1 hp per 1,000 lb based on the engine horsepower and operating weight found. |
| Horsepower planning note | For the Kubota M105S, use 105 hp as the engine comparison number and 93 hp as the implement-power number. |
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.



