The Kubota M8580 tractor engine horsepower found is 85 hp. PTO horsepower found is 80 hp.
Engine HP85 hp
PTO HP80 hp
Power / weight10.1 hp per 1,000 lb
Kubota M8580 Horsepower Specs
Engine horsepower
85 hp
PTO horsepower
80 hp
Rated engine RPM
2,400 rpm
Engine displacement
286.8 cu in (4.7 L)
Engine cylinders
4 cylinders
Engine
4.7L
Operating weight
8,377 lb (3,800 kg)
PTO-to-engine ratio
94.1% of engine horsepower
Power-to-weight
10.1 hp per 1,000 lb
Horsepower class
lower field-tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
85 hp
Average
180 hp
Low
110 hp
High
300 hp
PTO horsepower benchmark
This model
80 hp
Average
150 hp
Low
90 hp
High
260 hp
Operating weight benchmark
This model
8,377 lb
Average
19,000 lb
Low
11,000 lb
High
33,000 lb
Power-to-weight benchmark
This model
10.1 hp/1k lb
Average
10 hp/1k lb
Low
6 hp/1k lb
High
16 hp/1k lb
Benchmarks are general reference ranges for larger field tractors.
Kubota M8580 Horsepower FAQ
Engine horsepower
The Kubota M8580 tractor engine horsepower found is 85 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota M8580 is 80 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota M8580 is listed as lower field-tractor horsepower based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota M8580 is 2,400 rpm. This is the engine speed used for the listed power rating.
Engine specs found
Engine specs found for the Kubota M8580 include 4.7L, 286.8 cu in (4.7 L) displacement, and 4 cylinders.
Operating weight
The operating weight found for the Kubota M8580 is 8,377 lb (3,800 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 M8580 is 94.1% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota M8580 is 10.1 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
For the Kubota M8580, use 85 hp as the engine comparison number and 80 hp as the implement-power number.
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.
