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Voith Aquatarder SWR – the first secondary water retarder

Safe, cost-effective, and sustainable – the Voith Aquatarder SWR is the first secondary retarder that brakes with water. The SWR uses the engine coolant as its operating medium. This means no additional oil changes, and no adjustment work. With its compact design, it requires 50% less installation space and is 35 kg lighter than a comparable oil retarder. The Aquatarder SWR was developed especially for the heavy-duty Mercedes-Benz series Actros and Arocs.

Features and benefits

  • Higher safety
  • Maintenance-free
  • Low service costs
  • Fewer visits to workshops
  • Less fuel consumption
  • Less emissions

Technical Data

Voith Aquatarder SWR  
Step-up ratio i = 1,68 / 1,97 / 2,13
Max. braking torque at the propshaft 3 500 Nm
Standard operation Multifunction lever 5-stage
+ function v-const
option: foot control
Operation medium Engine coolant in compliance with Mercedes-Benz operating instructions
Control medium compressed air
Unit weight approx. 42 kg
Nominal voltage 24 V

 

CAN-Bus-specific RCM (Retarder Control Module)

Functional principle

Downloads

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 Aquatarder SWR? 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

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