The Kubota L3940 tractor engine horsepower found is 40.5 hp. PTO horsepower found is 33 hp.
Engine HP40.5 hp
PTO HP33 hp
Power / weight10.2 hp per 1,000 lb
Kubota L3940 Horsepower Specs
Engine horsepower
40.5 hp
PTO horsepower
33 hp
Rated engine RPM
3,200 rpm
Engine displacement
122 cu in (2 L)
Engine cylinders
4 cylinders
Engine
Kubota diesel 4-cylinder
Operating weight
3,968 lb (1,800 kg)
PTO-to-engine ratio
81.5% of engine horsepower
Power-to-weight
10.2 hp per 1,000 lb
Horsepower class
mid-size compact tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
40.5 hp
Average
32 hp
Low
16 hp
High
60 hp
PTO horsepower benchmark
This model
33 hp
Average
25 hp
Low
12 hp
High
50 hp
Operating weight benchmark
This model
3,968 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 L3940 Horsepower FAQ
Engine horsepower
The Kubota L3940 tractor engine horsepower found is 40.5 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota L3940 is 33 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota L3940 is listed as mid-size compact tractor horsepower based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota L3940 is 3,200 rpm. This is the engine speed used for the listed power rating.
Engine specs found
Engine specs found for the Kubota L3940 include Kubota diesel 4-cylinder, 122 cu in (2 L) displacement, and 4 cylinders.
Operating weight
The operating weight found for the Kubota L3940 is 3,968 lb (1,800 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 L3940 is 81.5% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota L3940 is 10.2 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
For the Kubota L3940, use 40.5 hp as the engine comparison number and 33 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.
