The Kubota GM73 tractor engine horsepower found is 71.9 hp. PTO horsepower found is 68.4 hp.
Engine HP71.9 hp
PTO HP68.4 hp
Power / weight13.3 hp per 1,000 lb
Kubota GM73 Horsepower Specs
Engine horsepower
71.9 hp
PTO horsepower
68.4 hp
Rated engine RPM
2,500 rpm
Engine displacement
201.4 cu in (3.3 L)
Engine
3.3L
Operating weight
5,390 lb (2,445 kg)
PTO-to-engine ratio
95.1% of engine horsepower
Power-to-weight
13.3 hp per 1,000 lb
Horsepower class
large compact tractor horsepower
Horsepower Benchmarks
Engine horsepower benchmark
This model
71.9 hp
Average
32 hp
Low
16 hp
High
60 hp
PTO horsepower benchmark
This model
68.4 hp
Average
25 hp
Low
12 hp
High
50 hp
Operating weight benchmark
This model
5,390 lb
Average
2,500 lb
Low
1,300 lb
High
4,500 lb
Power-to-weight benchmark
This model
13.3 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 GM73 Horsepower FAQ
Engine horsepower
The Kubota GM73 tractor engine horsepower found is 71.9 hp. Use engine horsepower for comparing engine output, not necessarily implement power at the PTO.
PTO horsepower
The PTO horsepower found for the Kubota GM73 is 68.4 hp. PTO horsepower is the more useful figure when sizing PTO-driven implements.
Horsepower class
The Kubota GM73 is listed as large compact tractor horsepower based on the engine horsepower found.
Rated engine RPM
The rated engine speed found for the Kubota GM73 is 2,500 rpm. This is the engine speed used for the listed power rating.
Engine specs found
Engine specs found for the Kubota GM73 include 3.3L and 201.4 cu in (3.3 L) displacement.
Operating weight
The operating weight found for the Kubota GM73 is 5,390 lb (2,445 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 GM73 is 95.1% of engine horsepower based on the figures found.
Power-to-weight
The calculated power-to-weight figure for the Kubota GM73 is 13.3 hp per 1,000 lb based on the engine horsepower and operating weight found.
Horsepower planning note
For the Kubota GM73, use 71.9 hp as the engine comparison number and 68.4 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.
