The Kubota GL320 tractor engine horsepower found is 31 hp. PTO horsepower found is 28.8 hp.
Engine HP31 hp
PTO HP28.8 hp
Power / weight11.1 hp per 1,000 lb
Kubota GL320 Horsepower Specs
Engine horsepower
31 hp
PTO horsepower
28.8 hp
Rated engine RPM
2,800 rpm
Engine torque
66.5 lb-ft (90 Nm)
Engine displacement
91.5 cu in (1.5 L)
Engine cylinders
3 cylinders
Engine
Kubota 1.5L
Operating weight
2,800 lb (1,270 kg)
PTO-to-engine ratio
92.9% of engine horsepower
Power-to-weight
11.1 hp per 1,000 lb
Horsepower class
compact tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
31 hp
Average
32 hp
Low
16 hp
High
60 hp
PTO horsepower benchmark
This model
28.8 hp
Average
25 hp
Low
12 hp
High
50 hp
Operating weight benchmark
This model
2,800 lb
Average
2,500 lb
Low
1,300 lb
High
4,500 lb
Power-to-weight benchmark
This model
11.1 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 GL320 Horsepower FAQ
Engine horsepower
The Kubota GL320 tractor engine horsepower found is 31 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota GL320 is 28.8 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota GL320 is listed as compact tractor horsepower based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota GL320 is 2,800 rpm. This is the engine speed used for the listed power rating.
Engine torque
The engine torque found for the Kubota GL320 is 66.5 lb-ft (90 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 GL320 include Kubota 1.5L, 91.5 cu in (1.5 L) displacement, and 3 cylinders.
Operating weight
The operating weight found for the Kubota GL320 is 2,800 lb (1,270 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 GL320 is 92.9% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota GL320 is 11.1 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
The practical split on the Kubota GL320 is engine power at 31 hp and PTO power at 28.8 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.
