Car class Dsd is two-axle service car (caboose) designed for passenger and fast trains.
Characteristics and technical data of the car |
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| Gauge | 1 435 | mm |
| Length over buffers | 15 730 | mm |
| Car body length | 14 450 | mm |
| Car body width (without side panorama windows) | 2 700 | mm |
| Width including side panorama windows | 3 100 | mm |
| Height above rail | 3 835 | mm |
| Wheels base | 9 400 | mm |
| Wheels diameter | 1 000 | mm |
| Maximum speed | 100 | km/h |
| Empty car weight | 19 000 | kg |
| Loading weight | 7 500 | kg |
| Air brake | Knorr | |
| Lighting | electric, bulb, 24 V | |
| Heating | steam - low pressure, stove | |
| Wagon group | 10 | |
Car history |
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| 1950 | - produced by Královopolská strojírna in Brno (Moravia) as the serial number 28 104 and as class Dsd, number 6-6599, handovered to Czechoslovak State Railways |
| 1957 | - renumbered to Dsd 7-2837, according to new numbering system |
| 1967 | - renumbered to Dsd 50 54 93-21 210-2, according to international numbering system UIC |
| 1983 | - re-classed to Daad |
| end of 80s | - rebuilt to service car for freight trains, equipped with stove, renumbered to Daad-k 30 54 93 21 210-7 |
| 1998 | - last great overhaul, done by KOS Krnov |
| after 2000 | - withdrawn from operation and deposited in Rakovník, next moved to Railway museum of Czech Railways in Lužná u Rakovníka |
| 2002 | - acquired by IMC Plzeň, transported to Plzeň, deposited in area of Depot Plzeň |
| 2003 – 2004 | - repair of outside look, done by IMC Plzeň members; the car is equipped by labels corresponding to state after manufacturing |
| 8. 5. 2004 | - first use in museum operation |
| 20. 5. 2013 | - renumbered to Dsd 55 54 93-20 001-1, according to numbering system EU |
| April 2015 | - overhauling undercarriage in KOS Krnov |