The Kubota L3770 tractor engine horsepower found is 37 hp. PTO horsepower found is 28 hp.
Engine HP37 hp
PTO HP28 hp
Power / weight9.9 hp per 1,000 lb
Kubota L3770 Horsepower Specs
Engine horsepower
37 hp
PTO horsepower
28 hp
Rated engine RPM
2,600 rpm
Engine torque
84.2 lb-ft (114 Nm)
Engine displacement
109.8 cu in (1.8 L)
Engine cylinders
3 cylinders
Operating weight
3,726 lb (1,690 kg)
PTO-to-engine ratio
75.7% of engine horsepower
Power-to-weight
9.9 hp per 1,000 lb
Horsepower class
mid-size compact tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
37 hp
Average
32 hp
Low
16 hp
High
60 hp
PTO horsepower benchmark
This model
28 hp
Average
25 hp
Low
12 hp
High
50 hp
Operating weight benchmark
This model
3,726 lb
Average
2,500 lb
Low
1,300 lb
High
4,500 lb
Power-to-weight benchmark
This model
9.9 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 L3770 Horsepower FAQ
Engine horsepower
The Kubota L3770 tractor engine horsepower found is 37 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota L3770 is 28 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota L3770 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 L3770 is 2,600 rpm. This is the engine speed used for the listed power rating.
Engine torque
The engine torque found for the Kubota L3770 is 84.2 lb-ft (114 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 L3770 include 109.8 cu in (1.8 L) displacement and 3 cylinders.
Operating weight
The operating weight found for the Kubota L3770 is 3,726 lb (1,690 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 L3770 is 75.7% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota L3770 is 9.9 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
When comparing the Kubota L3770, 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.
