What is a Retarder?


The Advantages of Kloft-Retarders

      12 weight/torque classifications to choose from.

      35% Lighter than other Retarders with the same braking torque.

      SKF Double ball bearings, which are sealed for life & maintenance free.

      No friction parts to ware out or replace.

      Economic – saves on brake shoes, drums, tires, and maintenance.

      Smoother braking affects which Reduces driver stress.

      Most efficient air-cooling effect prevents overheating.

      Shorter mounting dimensions.

      2 years unlimited mileage warranty.

      20 years experience and safety record.

      All major Truck manufactures retro fitment approved.

      Can be coupled with most common transmissions, drive lines or rear axles.

      Magnetic Coils approved by the American Underwriters Laborites.

      Officially accepted for Hazardous Goods transport vehicles.

      Optimum price/performance ratio.

      Built to ISO 9001 Quality assurance standards.

Recommendations for usage

The Kloft/Pentar Retarder can be used for all types of braking processes regardless of the speed of the vehicle. In emergency situations in which speed must be reduced suddenly and when the vehicle stops at zero speed (for example at traffic lights) the vehicle service brakes must be used.

With the manual control do not forget to place the lever in the “zero” position as soon as the vehicle has come to a halt, to avoid unnecessary waste of battery power.

On mountain roads we recommend combining the use of the engine brake, gear reduction and retarder in such a way as to adapt the vehicle speed to the type of road. On very tight bends it may be necessary to use the service brakes as well.

If the vehicle is stopped immediately after a prolonged decent when the retarder is hot the flow of cooling air is reduced to zero. Although the Kloft/Pentar retarder is able to withstand the considerable Material stress produced in these circumstances it is advisable to gradually reduce the retarder power over the last 3-4 miles before bringing the vehicle to a complete halt so that it has time to cool down before stopping.


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