Quick answer:
The Kubota FZ2100 tractor engine horsepower found is 20 hp. PTO horsepower found is 16.7 hp.
Engine HP20 hp
PTO HP16.7 hp
Power / weight12.6 hp per 1,000 lb
Kubota FZ2100 Horsepower Specs
| Engine horsepower | 20 hp |
|---|---|
| PTO horsepower | 16.7 hp |
| Rated engine RPM | 2,700 rpm |
| Engine displacement | 54.8 cu in (0.9 L) |
| Engine cylinders | 3 cylinders |
| Engine model | Kubota D905-FZ |
| Operating weight | 1,587 lb (720 kg) |
| PTO-to-engine ratio | 83.5% of engine horsepower |
| Power-to-weight | 12.6 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 FZ2100 Horsepower FAQ
| Engine horsepower | The Kubota FZ2100 tractor engine horsepower found is 20 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO. |
|---|---|
| PTO horsepower | The PTO horsepower found for the Kubota FZ2100 is 16.7 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements. |
| Horsepower class | The Kubota FZ2100 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 FZ2100 is 2,700 rpm. This is the engine speed used for the listed power rating. |
| Engine specs found | Engine specs found for the Kubota FZ2100 include Kubota D905-FZ, 54.8 cu in (0.9 L) displacement, and 3 cylinders. |
| Operating weight | The operating weight found for the Kubota FZ2100 is 1,587 lb (720 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 FZ2100 is 83.5% of engine horsepower based on the figures found. |
| Power-to-weight | The calculated power-to-weight figure for the Kubota FZ2100 is 12.6 hp per 1,000 lb based on the engine horsepower and operating weight found. |
| Horsepower planning note | The practical split on the Kubota FZ2100 is engine power at 20 hp and PTO power at 16.7 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.

