Escort wagon of special rolling stock, model 61-4484

A convoy wagon for transporting switches (convoy wagon SSP) or track machines (convoy wagon PM), model 61-4484, TU 3183-055-05744544-2011.
Designed for:
escorting:
- trains for transporting switches,
- track machines;
providing living conditions for service personnel during the train movement and for supplying compressed air to hopper-dispenser wagons during their adjustment and loading.
Wagon tare weight is not more than 48.5 tonnes. Body external width without corrugations is 3105 (+3; -7) mm. Wagon length along the coupling axes of couplers - (17286 ± 20) mm.
The design speed is 120 km/h. The warranty service life of the wagon is 24 months from the date of commissioning, but not more than 30 months from the date of shipment to the customer. Assigned service life before the car body is written off is 28 years.