The Kubota GB150 tractor engine horsepower found is 15 hp. PTO horsepower found is also 14.8 hp.
Engine HP15 hp
PTO HP14.8 hp
Power / weight8.3 hp per 1,000 lb
Kubota GB150 Horsepower Specs
Engine horsepower
15 hp
PTO horsepower
14.8 hp
Rated engine RPM
2,500 rpm
Engine torque
24.5 lb-ft (33 Nm)
Engine displacement
54.9 cu in (0.9 L)
Engine cylinders
3 cylinders
Engine
0.9L
Operating weight
1,800 lb (816 kg)
Power-to-weight
8.3 hp per 1,000 lb
Horsepower class
subcompact / small compact tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
15 hp
Average
32 hp
Low
16 hp
High
60 hp
PTO horsepower benchmark
This model
14.8 hp
Average
25 hp
Low
12 hp
High
50 hp
Operating weight benchmark
This model
1,800 lb
Average
2,500 lb
Low
1,300 lb
High
4,500 lb
Power-to-weight benchmark
This model
8.3 hp/1k lb
Average
14 hp/1k lb
Low
8 hp/1k lb
High
25 hp/1k lb
Benchmarks are general reference ranges for compact tractors.
Kubota GB150 Horsepower FAQ
Engine horsepower
The Kubota GB150 tractor engine horsepower found is 15 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota GB150 is 14.8 hp. Confirm this against the operator manual because PTO output is often lower than engine horsepower.
Horsepower class
The Kubota GB150 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 GB150 is 2,500 rpm. This is the engine speed used for the listed power rating.
Engine torque
The engine torque found for the Kubota GB150 is 24.5 lb-ft (33 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 GB150 include 0.9L, 54.9 cu in (0.9 L) displacement, and 3 cylinders.
Operating weight
The operating weight found for the Kubota GB150 is 1,800 lb (816 kg). Weight matters because the same horsepower feels different in a light mower than in a heavy tractor.
Power-to-weight
The calculated power-to-weight figure for the Kubota GB150 is 8.3 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
When comparing the Kubota GB150, use 15 hp as the headline engine figure and double-check the PTO rating before sizing implements.
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.
