The Kubota GR2120 tractor engine horsepower found is 21 hp. PTO horsepower found is 17 hp.
Engine HP21 hp
PTO HP17 hp
Power / weight21.6 hp per 1,000 lb
Kubota GR2120 Horsepower Specs
Engine horsepower
21 hp
PTO horsepower
17 hp
Engine displacement
47.5 cu in (0.78 L)
Engine cylinders
3 cylinders
Operating weight
970 lb (440 kg)
PTO-to-engine ratio
81% of engine horsepower
Power-to-weight
21.6 hp per 1,000 lb
Horsepower class
mid-power mower / garden tractor
Horsepower Benchmarks
Engine horsepower benchmark
This model
21 hp
Average
23 hp
Low
12 hp
High
40 hp
PTO horsepower benchmark
This model
17 hp
Average
18 hp
Low
8 hp
High
35 hp
Operating weight benchmark
This model
970 lb
Average
1,200 lb
Low
500 lb
High
2,600 lb
Power-to-weight benchmark
This model
21.6 hp/1k lb
Average
20 hp/1k lb
Low
12 hp/1k lb
High
35 hp/1k lb
Benchmarks are general reference ranges for lawn and garden tractors and mowers.
Kubota GR2120 Horsepower FAQ
Engine horsepower
The Kubota GR2120 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 GR2120 is 17 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota GR2120 is listed as mid-power mower / garden tractor based on the engine horsepower found.
Engine specs found
Engine specs found for the Kubota GR2120 include 47.5 cu in (0.78 L) displacement and 3 cylinders.
Operating weight
The operating weight found for the Kubota GR2120 is 970 lb (440 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 GR2120 is 81% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota GR2120 is 21.6 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
When comparing the Kubota GR2120, 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.
