The Kubota M90A tractor engine horsepower found is 90 hp. PTO horsepower found is 80 hp.
Engine HP90 hp
PTO HP80 hp
Power / weight8.2 hp per 1,000 lb
Kubota M90A Horsepower Specs
Engine horsepower
90 hp
PTO horsepower
80 hp
Rated engine RPM
2,600 rpm
Engine torque
209.8 lb-ft (284 Nm)
Engine displacement
231.9 cu in (3.8 L)
Engine cylinders
4 cylinders
Engine
Kubota 3.8L
Operating weight
11,023 lb (5,000 kg)
PTO-to-engine ratio
88.9% of engine horsepower
Power-to-weight
8.2 hp per 1,000 lb
Horsepower class
mid-size utility tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
90 hp
Average
85 hp
Low
45 hp
High
150 hp
PTO horsepower benchmark
This model
80 hp
Average
70 hp
Low
38 hp
High
125 hp
Operating weight benchmark
This model
11,023 lb
Average
8,000 lb
Low
4,500 lb
High
15,000 lb
Power-to-weight benchmark
This model
8.2 hp/1k lb
Average
11 hp/1k lb
Low
7 hp/1k lb
High
18 hp/1k lb
Benchmarks are general reference ranges for utility tractors.
Kubota M90A Horsepower FAQ
Engine horsepower
The Kubota M90A tractor engine horsepower found is 90 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota M90A is 80 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota M90A is listed as mid-size utility tractor horsepower based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota M90A is 2,600 rpm. This is the engine speed used for the listed power rating.
Engine torque
The engine torque found for the Kubota M90A is 209.8 lb-ft (284 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 M90A include Kubota 3.8L, 231.9 cu in (3.8 L) displacement, and 4 cylinders.
Operating weight
The operating weight found for the Kubota M90A is 11,023 lb (5,000 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 M90A is 88.9% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota M90A is 8.2 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
The practical split on the Kubota M90A is engine power at 90 hp and PTO power at 80 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.
