Quick answer:
The Kubota M1-85 tractor engine horsepower found is 85 hp. PTO horsepower found is 79.9 hp.
Engine HP85 hp
PTO HP79.9 hp
Power / weight12.9 hp per 1,000 lb
Kubota M1-85 Horsepower Specs
| Engine horsepower | 85 hp |
|---|---|
| PTO horsepower | 79.9 hp |
| Rated engine RPM | 2,400 rpm |
| Engine torque | 235.1 lb-ft (319 Nm) |
| Engine displacement | 286.8 cu in (4.7 L) |
| Engine cylinders | 4 cylinders |
| Engine | Kubota 4.7L |
| Operating weight | 6,570 lb (2,980 kg) |
| PTO-to-engine ratio | 94% of engine horsepower |
| Power-to-weight | 12.9 hp per 1,000 lb |
| Horsepower class | mid-size 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 M1-85 Horsepower FAQ
| Engine horsepower | The Kubota M1-85 tractor engine horsepower found is 85 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO. |
|---|---|
| PTO horsepower | The PTO horsepower found for the Kubota M1-85 is 79.9 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements. |
| Horsepower class | The Kubota M1-85 is listed as mid-size utility tractor horsepower based on the engine horsepower found. |
| Rated engine RPM | The rated engine speed found for the Kubota M1-85 is 2,400 rpm. This is the engine speed used for the listed power rating. |
| Engine torque | The engine torque found for the Kubota M1-85 is 235.1 lb-ft (319 Nm). Torque helps describe low-speed pulling feel, while horsepower describes power output over engine speed. |
| Engine specs found | Engine specs found for the Kubota M1-85 include Kubota 4.7L, 286.8 cu in (4.7 L) displacement, and 4 cylinders. |
| Operating weight | The operating weight found for the Kubota M1-85 is 6,570 lb (2,980 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 M1-85 is 94% of engine horsepower based on the figures found. |
| Power-to-weight | The calculated power-to-weight figure for the Kubota M1-85 is 12.9 hp per 1,000 lb based on the engine horsepower and operating weight found. |
| Horsepower planning note | When comparing the Kubota M1-85, engine horsepower is the headline figure, while PTO horsepower is the better implement-sizing figure. |
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.

