Focal ® retarders are designed to be installed at the gearbox output or the drive axle input. All adaptations offered by Telma have been carefully reviewed and validated by the component manufacturer.

Mounting to the gearbox or to the drive axle

Specifically designed for short wheelbase tractors and rear engine buses, Focal ® retarders are attached to the flange of the gearbox output shaft or the input flange of the axle.

1. Rotating part of the adaptation:
    The Rotor Spacer secures rotors to the axle or gearbox flange.

2. Stationary part of the adaptation:
    The Stator Carrier is used to attach the retarder Stator (coils) to the gearbox or differential.



Mounting on vehicle gearbox

Mounting on vehicle axle