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Retarder 120 E – a wide range of use in trucks

    The Voith Retarder 120 E is an inline oil retarder with its own transmission-independent oil supply. It is ideal for trucks belonging to the vehicle category of car transporters, tractors without trailers used in distribution, beverage vehicles, vehicles for the transportation of bulk goods, and mobile cranes.

    Voith Retarder 120 E

    Features and benefits

    • Higher average speed
    • Fewer visits to workshops
    • Reduction of vehicle operating costs
    • Less service brake overhauls and tires
    • Fast amortization
    • Fuel saving by rotor displacement
    • Hydrodynamic Retarders are more fuel-saving than electro-magnetic Retarders
    • Advantages for a vehicle resale

    Technical Data

    Voith Retarder 120 E  
    Max. braking torque at the retarder shaft 2 200 Nm
    Maximum speed at the propshaft 3 000 rpm
    Standard operation hand-brake switch with function v-constant (downhill cruise control)
    option: foot control
    Operating medium oil (see fuel specifiation)
    Fill rate (oil change) 4,0 l
    Control medium compressed air
    Unit weight incl. flange, heat exchanger, without operating medium approx. 66 kg
    Nominal voltage 24 V
    CAN-bus-specific electronic control system VERA


    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 120 E? 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