Rotavator is an agricultural equipment used in landforming , variety of gears are used in rotavators

Gearboxes have found use in a wide variety of different—often stationary—applications, such as wind turbines.

Bevel Based Gearboxes : bevel ratio is most important factor to decide transmission of mechanical transmission power

Transmissions are also used in agricultural,Rotavator gearboxes  industrial, construction, mining and automotive equipment. In addition to ordinary transmission equipped with gears, such equipment makes extensive use of the hydrostatic drive and electrical adjustable-speed drives. 

Rotavator Gear manufacturers has to take care of sound produced and centre to centre alingment of gear sets in running position

Rotavator are used with gears and sprockets as per land  position and hardness of soil , though it is a roumer that rotavator is harmful for land as it harm water level