The Kubota KB19X tractor engine horsepower found is 18.8 hp. PTO horsepower found is 16.7 hp.
Engine HP18.8 hp
PTO HP16.7 hp
Power / weight11.8 hp per 1,000 lb
Kubota KB19X Horsepower Specs
Engine horsepower
18.8 hp
PTO horsepower
16.7 hp
Rated engine RPM
2,600 rpm
Engine torque
36.5 lb-ft (50 Nm)
Engine displacement
61 cu in (1 L)
Engine cylinders
3 cylinders
Engine
Kubota 1.0L
Operating weight
1,587 lb (720 kg)
PTO-to-engine ratio
88.8% of engine horsepower
Power-to-weight
11.8 hp per 1,000 lb
Horsepower class
subcompact / small compact tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
18.8 hp
Average
32 hp
Low
16 hp
High
60 hp
PTO horsepower benchmark
This model
16.7 hp
Average
25 hp
Low
12 hp
High
50 hp
Operating weight benchmark
This model
1,587 lb
Average
2,500 lb
Low
1,300 lb
High
4,500 lb
Power-to-weight benchmark
This model
11.8 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 KB19X Horsepower FAQ
Engine horsepower
The Kubota KB19X tractor engine horsepower found is 18.8 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota KB19X is 16.7 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota KB19X is listed as subcompact / small compact tractor horsepower based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota KB19X is 2,600 rpm. This is the engine speed used for the listed power rating.
Engine torque
The engine torque found for the Kubota KB19X is 36.5 lb-ft (50 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 KB19X include Kubota 1.0L, 61 cu in (1 L) displacement, and 3 cylinders.
Operating weight
The operating weight found for the Kubota KB19X is 1,587 lb (720 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 KB19X is 88.8% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota KB19X is 11.8 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
For the Kubota KB19X, use 18.8 hp as the engine comparison number and 16.7 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.
