The Cub Cadet Z42 tractor engine horsepower found is 21.5 hp. PTO horsepower found is also 22 hp.
Engine HP21.5 hp
PTO HP22 hp
Power / weight30.5 hp per 1,000 lb
Cub Cadet Z42 Horsepower Specs
Engine horsepower
21.5 hp
PTO horsepower
22 hp
Rated engine RPM
3,600 rpm
Engine displacement
33.4 cu in (0.55 L)
Operating weight
706 lb (320 kg)
Power-to-weight
30.5 hp per 1,000 lb
Horsepower class
mid-power mower / garden tractor
Horsepower Benchmarks
Engine horsepower benchmark
This model
21.5 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
706 lb
Average
1,200 lb
Low
500 lb
High
2,600 lb
Power-to-weight benchmark
This model
30.5 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.
Cub Cadet Z42 Horsepower FAQ
Engine horsepower
The Cub Cadet Z42 tractor engine horsepower found is 21.5 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Cub Cadet Z42 is 22 hp. Confirm this against the operator manual because PTO output is often lower than engine horsepower.
Horsepower class
The Cub Cadet Z42 is listed as mid-power mower / garden tractor based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Cub Cadet Z42 is 3,600 rpm. This is the engine speed used for the listed power rating.
Engine specs found
Engine specs found for the Cub Cadet Z42 include 33.4 cu in (0.55 L) displacement.
Operating weight
The operating weight found for the Cub Cadet Z42 is 706 lb (320 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 Cub Cadet Z42 is 30.5 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
When comparing the Cub Cadet Z42, use 21.5 hp as the headline engine figure and double-check the PTO rating before sizing implements.
Official information note
Mistakes do happen. Check the operator manual, service manual and official cubcadet.com website for official horsepower, PTO horsepower, engine RPM, torque and operating-weight specifications before buying implements or servicing the machine.
