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.
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 |
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