
FMW 503 catenary installation wagon
Mainline contact lines - Contact line installation
The FMW 503 catenary installation wagon is used for the installation of new build and renewal of mainline and regional overhead line systems. A mechanized overhead electrification assembly train consisting of FMW 503 catenary assembly wagons, drum wagons with 6 drum stands and a locomotive. Alternatively, the Zeck unit is used instead of the drum wagons.
Funktionsmerkmale
- Complex installation of contact line systems
- Installation of railway power systems
- Laying of cables and conductors
- Dismantling the old installations
- The platform and the side work platform can be extended hydraulically
- Integrated workshop in the vehicle


Technical specifications
- Drive
- diesel locomotive (requires traction vehicle driver and work train driver)
- Maximum speed (on transfer)
- 100 km/h
- Height above top of rail
- 4,600 mm (transport position)
- Electric power supply unit
- 20 kVA
- Operation
- from platform or externally
- Hydraulic guide rollers
- Yes
- Interior
- machine room, workshop, store, recreation room
Main platform
- Floor area
- 16 m x 1,7 m
- Height
- 4.29 m – 6.79 m, above top of rail
Traverse platform
- Serviceable floor area
- 3,1 m x 1,3m
- Height
- 3,97 m – 6,47 m above top of rail
Drum wagon
- Speed (self-propelled)
- 100 km/h
- Carrying cable traction
- max. traction force 10 kN
- Contact wire traction
- max. traction force 2.5 kN
- Six drums, mechanically braked, crane for loading and unloading drums, auxiliary unit for the crane
- Yes

