Voith Retarder R120 - 3
for Buses and medium - size Trucks
Technical Data

Max . retarder braking torque
at the propshaft
2000 Nm

Maximum speed at the propshaft
3000 rpm

Standard operation
5 - stage hand - brake switch
stage 1 v = const .
( downhill cruise control )
option : foot control

Operating medium
oil ( see fuel specification )

Fill rate
( see instruction manual )

Control medium
compressed air

Reservoir pressure
7 - 10 bar

Unit weight incl . flange ,
heat exchanger ,
without operating medium
approx . 65 kg

Nominal voltage
24 V

Current consumption
max. 1 . 0 A

CAN-bus-specific electronic
Digiprop control system

Flange connection
to DIN or SAE standard


1
propshaft connection
2
rotor
3
stator
4
gearbox - independent
retarder oil supply system
5
oil drain - retarder
6
heat exchanger
( with stainless steel inserts )


The Retarder 120 - 3 is suitable for
gearbox mounting and free - mount
installation in the propshaft line .

Gearbox mounting

Free-mount installation





A , B , C , D :
dependent on the gearbox mounting variant

E :
dependent on the design of heat exchanger and the gearbox mounting variant


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