Quick answer:
The Kubota B7500 tractor engine horsepower found is 21 hp. PTO horsepower found is 16 hp.
Engine HP21 hp
PTO HP16 hp
Power / weight11.7 hp per 1,000 lb
Kubota B7500 Horsepower Specs
| Engine horsepower | 21 hp |
|---|---|
| PTO horsepower | 16 hp |
| Rated engine RPM | 2,600 rpm |
| Engine torque | 44 lb-ft (60 Nm) |
| Engine displacement | 45.7 cu in (0.75 L) |
| Operating weight | 1,800 lb (816 kg) |
| PTO-to-engine ratio | 76.2% of engine horsepower |
| Power-to-weight | 11.7 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 B7500 Horsepower FAQ
| Engine horsepower | The Kubota B7500 tractor engine horsepower found is 21 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO. |
|---|---|
| PTO horsepower | The PTO horsepower found for the Kubota B7500 is 16 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements. |
| Horsepower class | The Kubota B7500 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 B7500 is 2,600 rpm. This is the engine speed used for the listed power rating. |
| Engine torque | The engine torque found for the Kubota B7500 is 44 lb-ft (60 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 B7500 include 45.7 cu in (0.75 L) displacement. |
| Operating weight | The operating weight found for the Kubota B7500 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 B7500 is 76.2% of engine horsepower based on the figures found. |
| Power-to-weight | The calculated power-to-weight figure for the Kubota B7500 is 11.7 hp per 1,000 lb based on the engine horsepower and operating weight found. |
| Horsepower planning note | When comparing the Kubota B7500, 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.

