Quick answer:
The Kubota L3540 tractor engine horsepower found is 37 hp. PTO horsepower found is 28 hp.
Engine HP37 hp
PTO HP28 hp
Power / weight10.9 hp per 1,000 lb
Kubota L3540 Horsepower Specs
| Engine horsepower | 37 hp |
|---|---|
| PTO horsepower | 28 hp |
| Rated engine RPM | 2,700 rpm |
| Engine displacement | 109.8 cu in (1.8 L) |
| Engine cylinders | 3 cylinders |
| Engine | Kubota diesel 3-cylinder |
| Operating weight | 3,395 lb (1,540 kg) |
| PTO-to-engine ratio | 75.7% of engine horsepower |
| Power-to-weight | 10.9 hp per 1,000 lb |
| Horsepower class | mid-size 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 L3540 Horsepower FAQ
| Engine horsepower | The Kubota L3540 tractor engine horsepower found is 37 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO. |
|---|---|
| PTO horsepower | The PTO horsepower found for the Kubota L3540 is 28 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements. |
| Horsepower class | The Kubota L3540 is listed as mid-size compact tractor horsepower based on the engine horsepower found. |
| Rated engine RPM | The rated engine speed found for the Kubota L3540 is 2,700 rpm. This is the engine speed used for the listed power rating. |
| Engine specs found | Engine specs found for the Kubota L3540 include Kubota diesel 3-cylinder, 109.8 cu in (1.8 L) displacement, and 3 cylinders. |
| Operating weight | The operating weight found for the Kubota L3540 is 3,395 lb (1,540 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 L3540 is 75.7% of engine horsepower based on the figures found. |
| Power-to-weight | The calculated power-to-weight figure for the Kubota L3540 is 10.9 hp per 1,000 lb based on the engine horsepower and operating weight found. |
| Horsepower planning note | The practical split on the Kubota L3540 is engine power at 37 hp and PTO power at 28 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.

