Parallel shafts gearboxes
The CMR Group range of parallel shaft gearboxes has been designed to meet the requirements of agricultural machines and particularly on high-performance versions.
All CMR Group parallel shafts gearboxes have cast iron housing and helical gears. The reducer dimensions and the structural design grant high performances with the best possible performance / price ratio.
This range includes reducers and increasers, reversers, parallel offsets and speed changes.
P series, technical features
- Cast iron housing
- Power from 18 to 70HP
- Input revs max 540rpm
- Maximum ratio 1:7
- Maximum tooth module 3.5
Models:

P20
G25 cast iron housing, power up to 18HP (540rpm), ratio 2.9:1, input revs up to 1000rpm, SAE B motor attachment
Applications: bale wrappers, brush cleaners

P30
G25 cast iron housing, power up to 40HP (540rpm), ratio 1:5, input revs up to 1000rpm, two speed selector with manual control.
Applications: sprayers
P35
G25 cast iron housing, power up to 35HP (540rpm), ratio 1:7, input revs up to 1000rpm, connection flanges for alternator with shaft up to 42 mm.
Applications: power generators
P45
G25 cast iron housing, power up to 68HP (540rpm), ratio 1:7, input revs up to 1000rpm, connection flanges for alternator with shaft up to 55mm.
Applications: power generators
P50
G25 cast iron housing, power up to 48HP (540rpm), ratio 1:6, input revs up to 1000rpm, two speed selector with manual control.
Applications: sprayers

P60
G25 cast iron housing, power up to 70HP (540rpm), ratio 1:5 ratio, input revs up to 1000rpm, two speed changes with manual control.
Applications: sprayers
All P series standard versions are designed with:
- Two positions for oil level pug
- Vent plug