The Kubota KL43 tractor engine horsepower found is 42.4 hp. PTO horsepower found is also 42.4 hp.
Engine HP42.4 hp
PTO HP42.4 hp
Power / weight11.4 hp per 1,000 lb
Kubota KL43 Horsepower Specs
Engine horsepower
42.4 hp
PTO horsepower
42.4 hp
Rated engine RPM
2,800 rpm
Engine torque
43.5 lb-ft (59 Nm)
Engine displacement
91.5 cu in (1.5 L)
Engine cylinders
3 cylinders
Engine
Kubota 1.5L
Operating weight
3,715 lb (1,685 kg)
Power-to-weight
11.4 hp per 1,000 lb
Horsepower class
mid-size compact tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
42.4 hp
Average
32 hp
Low
16 hp
High
60 hp
PTO horsepower benchmark
This model
42.4 hp
Average
25 hp
Low
12 hp
High
50 hp
Operating weight benchmark
This model
3,715 lb
Average
2,500 lb
Low
1,300 lb
High
4,500 lb
Power-to-weight benchmark
This model
11.4 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 KL43 Horsepower FAQ
Engine horsepower
The Kubota KL43 tractor engine horsepower found is 42.4 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota KL43 is 42.4 hp. Confirm this against the operator manual because PTO output is often lower than engine horsepower.
Horsepower class
The Kubota KL43 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 KL43 is 2,800 rpm. This is the engine speed used for the listed power rating.
Engine torque
The engine torque found for the Kubota KL43 is 43.5 lb-ft (59 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 KL43 include Kubota 1.5L, 91.5 cu in (1.5 L) displacement, and 3 cylinders.
Operating weight
The operating weight found for the Kubota KL43 is 3,715 lb (1,685 kg). Weight matters because the same horsepower feels different in a light mower than in a heavy tractor.
Power-to-weight
The calculated power-to-weight figure for the Kubota KL43 is 11.4 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
For the Kubota KL43, engine horsepower and PTO horsepower are both listed as 42.4 hp; confirm the PTO rating in the manual before buying PTO-driven implements.
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.
