The Kubota GL321 tractor engine horsepower found is 32.6 hp. PTO horsepower found is 29.6 hp.
Engine HP32.6 hp
PTO HP29.6 hp
Power / weight10.2 hp per 1,000 lb
Kubota GL321 Horsepower Specs
Engine horsepower
32.6 hp
PTO horsepower
29.6 hp
Rated engine RPM
2,800 rpm
Engine torque
66.5 lb-ft (90 Nm)
Engine displacement
67.1 cu in (1.1 L)
Engine
Kubota 1.5L
Operating weight
3,186 lb (1,445 kg)
PTO-to-engine ratio
90.8% of engine horsepower
Power-to-weight
10.2 hp per 1,000 lb
Horsepower class
compact tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
32.6 hp
Average
32 hp
Low
16 hp
High
60 hp
PTO horsepower benchmark
This model
29.6 hp
Average
25 hp
Low
12 hp
High
50 hp
Operating weight benchmark
This model
3,186 lb
Average
2,500 lb
Low
1,300 lb
High
4,500 lb
Power-to-weight benchmark
This model
10.2 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 GL321 Horsepower FAQ
Engine horsepower
The Kubota GL321 tractor engine horsepower found is 32.6 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota GL321 is 29.6 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota GL321 is listed as compact tractor horsepower based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota GL321 is 2,800 rpm. This is the engine speed used for the listed power rating.
Engine torque
The engine torque found for the Kubota GL321 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 GL321 include Kubota 1.5L and 67.1 cu in (1.1 L) displacement.
Operating weight
The operating weight found for the Kubota GL321 is 3,186 lb (1,445 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 GL321 is 90.8% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota GL321 is 10.2 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
When comparing the Kubota GL321, 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.
