The Kubota M105GX-IV tractor engine horsepower found is 111 hp. PTO horsepower found is 90 hp.
Engine HP111 hp
PTO HP90 hp
Power / weight11 hp per 1,000 lb
Kubota M105GX-IV Horsepower Specs
Engine horsepower
111 hp
PTO horsepower
90 hp
Rated engine RPM
2,400 rpm
Engine torque
280 lb-ft (380 Nm)
Engine displacement
231.9 cu in (3.8 L)
Engine cylinders
4 cylinders
Engine
Kubota 3.8L
Operating weight
10,053 lb (4,560 kg)
PTO-to-engine ratio
81.1% of engine horsepower
Power-to-weight
11 hp per 1,000 lb
Horsepower class
large utility tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
111 hp
Average
85 hp
Low
45 hp
High
150 hp
PTO horsepower benchmark
This model
90 hp
Average
70 hp
Low
38 hp
High
125 hp
Operating weight benchmark
This model
10,053 lb
Average
8,000 lb
Low
4,500 lb
High
15,000 lb
Power-to-weight benchmark
This model
11 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 M105GX-IV Horsepower FAQ
Engine horsepower
The Kubota M105GX-IV tractor engine horsepower found is 111 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota M105GX-IV is 90 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota M105GX-IV is listed as large utility tractor horsepower based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota M105GX-IV is 2,400 rpm. This is the engine speed used for the listed power rating.
Engine torque
The engine torque found for the Kubota M105GX-IV is 280 lb-ft (380 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 M105GX-IV include Kubota 3.8L, 231.9 cu in (3.8 L) displacement, and 4 cylinders.
Operating weight
The operating weight found for the Kubota M105GX-IV is 10,053 lb (4,560 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 M105GX-IV is 81.1% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota M105GX-IV is 11 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
For the Kubota M105GX-IV, use 111 hp as the engine comparison number and 90 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.
