Retarder 3250 – a high-performance step-up gear retarder for Volvo, Renault, and UD

    The VR 3250 is a high-performance, energy-efficient step-up gear retarder with its own oil supply. It is used in Volvo trucks in the FH and FM series with Volvo gearboxes. In conjunction with the Renault Optidriver+ gearbox, the VR 3250 is used in Renault Range T, C and K trucks. The VR 3250 is also available in UD Quon trucks with Ascot 4 gearboxes.

    Voith Retarder 3250

    Features and benefits

    • Integrated step-up gear retarder
    • High braking moments
    • Autarchic oil supply system
    • Heat exchanger with integrated transmission oil cooling
    • Standard universal joint shaft length is not affected by the retarder

    Technical Data

    Voith Retarder VR 3250  
    Step-up ratio i=2,03
    Max. rated braking torque max. 3250 Nm
    Maximum speed at the propshaft 2 500 rpm
    Operation standard 6-stage hand-brake switch
    stage 1 = automatic mode (downhill cruise control)
    Operation medium oil (see fuel specification Renault)
    Fill rate (oil change 5,4 l
    Control medium compressed air
    Unit weight incl. flange, heat exchanger without operating medium approx. 59 kg
    NNominal voltage 24 V




        Service – where your truck is in good hands

          Whether it’s maintenance or repairs, troubleshooting, or the functional testing of individual components: our professionals will make sure you stay on the road. At the Voith retarder workshop in Crailsheim, and throughout the world.

          Judge us by our performance

          • Onboard troubleshooting and upgrade 
          • Replacement and repair 
          • Repair of supplied retarders (all model series) 
          • Troubleshooting and functional testing of individual components 
          • Worldwide delivery of Voith original spare parts, as well as 
          • replacements and basic retarders

          Retarder oil list

          Do you have any questions about Voith Retarder 3250? We’re here to help!

            Service contact

            Voith GmbH & Co. KGaA

            Mobility Service

            Hardtstraße 8 74564 Crailsheim, Germany


            t +49 7951 32-531

            Technical Support

            Technical Support


            t +49 7951 32-1555

            f +49 7951 32-1506

            Spare parts orders

            Spare parts orders


            t +49 7951 32-1644

            f +49 7951 32-756