SNCF Class X 3800 explained

SNCF X 3800
Manufacturer:Renault / ANF / De Dietrich Ferroviaire / SACM
Yearconstruction:1950–1961
Numberbuilt:251
Fleetnumbers:X 3801 – X 4051
Carlength:21.851m (71.69feet) over buffers
Width:3.09m (10.14feet)
Height:3.952m (12.966feet)
Wheeldiameter:8602NaN2
Maxspeed:1200NaN0
Engine:Saurer BZDSe or Renault
Enginetype:Diesel
Poweroutput:2500NaN0
Transmission:mechanical
Uicclass:B′2′

The SNCF X 3800 class are diesel railcars with an elevated off-center control cabin.[1] It is often said that they were nicknamed “Picassos” because the off-center cabin was reminiscent of paintings by Pablo Picasso featuring faces where the eyes and nose were completely offset.[2] The nickname may though have come from the number of early paint schemes applied to the class.

The X3800 served on secondary lines all over the French rail network. The elevated control cabin allowed the railcars to operate in forward and reverse modes, allowing for ease of operation. One example is preserved at the Cité du Train.[3]

Technical Details

The X 3800 featured a mechanical transmission with a truck-type clutch and gearbox. The units had a long carbody that rested on two bogies, and weighed 34 tonnes. They ran at speeds of up to 1100NaN0 (with 1200NaN0 possible). They could haul unpowered trailers and could be operated singly or twinned with other units. The direct mechanical engine controls required each powered unit to have its own driver so they could not be operated as true multiple units. Units were built with two types of diesel engines: Renault 517 diesel-powered units 3801 to 3835 and a Saurer BZDS diesel units 3836 to 3856.

The units were designed to be robust and simple (but were noisy), often parked outside in the winter. The driver sat facing sideways in a raised cabin above the engine compartment, accessed from the baggage compartment. The main mechanical controls were directly connected by levers to the diesel engine, clutch and gearbox. The units were widely used from the 1950s to the 1980s, particularly on secondary lines with often poorer quality track than the main lines,[4] at a lower cost than comparable steam trains of the era. The units were reliable and, from the end opposite the engine compartment, offered passengers a wide-open view of the track.[5] The diesel engines produced 300 hp and were water-cooled. The X 3800 burned 50–55 litres of diesel fuel per 100 km (55L/100 km55L/100 km), giving the unit a range of about 700km (400miles). The car bodies were of welded construction.[6]

The X 3800 were built from 1950 to 1961. 251 units were built, given unit numbers X 3801 to X 4051 by the SNCF. Each X 3800 could hold 62 passengers,[7] with smoking and non-smoking compartments, a toilet, and a baggage area located behind the engine compartment [6]

Routes Served

The X 3800 units were used on the majority of non-electrified lines across the entirety of France. Some of the routes served include:

Base Depots

Notable Units

Preserved Units

Operating

Non-operable, preserved for parts, or scrapped

Model Renditions

This unit has been represented in HO scale by the Jouef, LS Models, Mistral Trains Models groups and the Editions Atlas (static), as well as N scale by Transmondia. In O scale, AMJL offered Picasso kits or assembled.

Anecdotes

X 4046 preserved by l'association Autorail Lorraine Champagne-Ardenne, served as the setting for the song by Laurent Voulzy, "Paradoxal Système" in 1992.[14]

Notes and References

  1. Book: Caron . François . Bachet . Olivier . 1999 . Le patrimoine de la SNCF et des chemins de fer français, Volume 2 . Heritage of the SNCF and of French Railways, Volume 2 . fr. Flohic . 2842340698 .
  2. Book: Papazian, André . Encyclopédie du train, volume 1, locomotives & automotrices . Encyclopedia of the train, Volume 1, locomotives and railcars . fr . éditions E.T.A.I. .
  3. . Quai No. 4 . Les quais de l'histoire. La Cite du Train . March 10, 2019 .
  4. Web site: fr . Michelines et Autorails, L'autorail X-3800 dit Picasso. . 2015 . Editions Atlas . March 4, 2016 .
  5. Web site: fr . Les autorails- L'X3890 : autorail "Picasso" baptisé "Ville de Loudéac" . Michel Joindot . CFCB - Chemins de Fer du Centre-Bretagne (Central Brittany Railroads) . March 4, 2016 .
  6. Web site: fr . Autorail X3800, dit "Picasso" . vendee-vapeur.fr . Association Chemin de Fer de la Vendée . March 4, 2016 .
  7. Web site: fr . X 3800 "Picasso" . 2015 . Autorails.com . March 4, 2016 .
  8. Site CFTSA, Matériel Autorails, avec le détail de leurs parcours depuis la mise en service lire (consulté le 25/08/2009)
  9. Site CFCB, la restauration de l'X3890 : le déroulement du projet de restauration (1991-2005) lire en ligne (consulté le 30 septembre 2010).
  10. http://www.tfbco.fr/ Site
  11. Source site du TPCF, menu : onglet photos, lien Du Picasso aux Caravelles lire, (consulté le 24/08/2009)
  12. « L'X 4039 remis à neuf », Rail Passion n°253, novembre 2018, page 3.
  13. http://www.lunion.presse.fr/index.php/cms/13/article/317926/
  14. live . https://ghostarchive.org/varchive/youtube/20211211/1ftrhUBG9dg . 2021-12-11. Laurent Voulzy-Paradoxal systeme (1992) . YouTube.

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