SNCB Type 1

The NMBS/SNCB Type 1 was a class of 4-6-2 steam locomotives built in 1935 and 1938 for working heavy express passenger trains operated by the National Railway Company of Belgium (NMBS/SNCB).

NMBS/SNCB Type 1
NMBS/SNCB Type 1
Type and origin
Power typeSteam
BuilderSociété Anonyme la Métallurgique, Tubize
Build date1935 - 1938
Total produced35
Specifications
Configuration:
​
 • Whyte4-6-2
 • UIC2′C1′ h4
Gauge1,435 mm (4 ft 8 1⁄2 in)
Driver dia.1,980 mm (77.95 in)
Loco weight124 tonnes (122 long tons; 137 short tons)
Tender weight86 tonnes (85 long tons; 95 short tons)
Water cap48,000 litres (11,000 imp gal; 13,000 US gal)
Firebox:
 • Firegrate area		5.00 m2 (53.8 sq ft)
Boiler pressure18 atm (1.82 MPa; 265 psi)
Feedwater heaterACFI
Heating surface234.8 m2 (2,527 sq ft)
Superheater:
​
 • Heating area111.7 m2 (1,202 sq ft)
CylindersFour
Cylinder size420 mm × 720 mm (16.54 in × 28.35 in)
Performance figures
Tractive effort198.9 kN (44,710 lbf)
Career
OperatorsNMBS/SNCB
ClassType 1
Numbers101 - 135 1.001 – 1.035
Withdrawn1962
PreservedOne: 1.002
DispositionOne preserved, remainder scrapped

Design, construction and service history
No. 1.002 on display at Treignes

Thirty five type 1 locomotives were built by the Société Anonyme la Métallurgique at its Tubize factory. They had a high degree of superheat, and a firebox that was so wide, it had two firehole doors.

The members of the class were retired in 1962.

One locomotive, no. 1.002, has been preserved by the NMBS/SNCB. It is displayed at the Treignes railway museum of heritage railway CFV3V (Chemin de fer à vapeur des trois vallées) in the far south of Belgium.

See also

References
  • Dambly, Phil (1994). Vapeur en Belgique [Steam in Belgium]. Tome 2: De 1914 aux dernières fumées [Volume 2: From 1914 to last smoke]. Brussels: G. Blanchart & Cie. ISBN 2872020136. (in French)
  • Nock, O. S. (1970). Railways at the Zenith of Steam 1920–40. London: Blandford Press. pp. 175, 177. ISBN 0-7137-0515-9.
  • Smith, J. D. H. "EB/SNCB/NMBS steam locomotives". Standard steam locomotives. Retrieved 2012-09-26.
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