The Kubota Z231BR machine engine horsepower found is 22 hp. PTO horsepower found is also 22 hp.
Engine HP22 hp
PTO HP22 hp
Power / weight29.9 hp per 1,000 lb
Kubota Z231BR Horsepower Specs
Engine horsepower
22 hp
PTO horsepower
22 hp
Rated engine RPM
3,200 rpm
Engine displacement
44.2 cu in (0.72 L)
Engine model
Briggs & Stratton 44S6
Operating weight
737 lb (334 kg)
Power-to-weight
29.9 hp per 1,000 lb
Horsepower class
mid-power mower / garden tractor
Horsepower Benchmarks
Engine horsepower benchmark
This model
22 hp
Average
23 hp
Low
12 hp
High
40 hp
PTO horsepower benchmark
This model
22 hp
Average
18 hp
Low
8 hp
High
35 hp
Operating weight benchmark
This model
737 lb
Average
1,200 lb
Low
500 lb
High
2,600 lb
Power-to-weight benchmark
This model
29.9 hp/1k lb
Average
20 hp/1k lb
Low
12 hp/1k lb
High
35 hp/1k lb
Benchmarks are general reference ranges for lawn and garden tractors and mowers.
Kubota Z231BR Horsepower FAQ
Engine horsepower
The Kubota Z231BR machine engine horsepower found is 22 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota Z231BR is 22 hp. Confirm this against the operator manual because PTO output is often lower than engine horsepower.
Horsepower class
The Kubota Z231BR is listed as mid-power mower / garden tractor based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota Z231BR is 3,200 rpm. This is the engine speed used for the listed power rating.
Engine specs found
Engine specs found for the Kubota Z231BR include Briggs & Stratton 44S6 and 44.2 cu in (0.72 L) displacement.
Operating weight
The operating weight found for the Kubota Z231BR is 737 lb (334 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 Z231BR is 29.9 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
For the Kubota Z231BR, engine horsepower and PTO horsepower are both listed as 22 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.
