SEK Class Λβ

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SEK Class Λβ (WD Austerity 2-10-0)
Type and origin
Power type Steam
Designer Riddles
Builder North British Locomotive Company
Build date 1943-1944
Total produced 16
 • Whyte 2-10-0
 • UIC 1′E h
Gauge 4 ft 8 12 in (1,435 mm)
Driver dia. 4 ft 8 12 in (1,435 mm)
Loco weight 78 long tons 6 cwt (175,400 lb or 79.6 t)
Fuel type Coal
Boiler pressure 225 lbf/in2 (1.55 MPa)
Cylinders Two
Cylinder size 19 in × 28 in (483 mm × 711 mm)
Performance figures
Tractive effort 34,215 lbf (152.20 kN)

SEK (Sidirodromoi Ellinikou Kratous, Hellenic State Railways) Class Λβ (or Class Lb; Lambda-beta) is a class of 16 2-10-0 steam locomotives, ex-WD Austerity 2-10-0s purchased after the Second World War. All of them were previously stabled in Egypt and were transported to Greece, as part of the UNRRA mission in Greece (arrived at Thessaloniki port in 16 January 1946). They were given the class letters "Λβ" and numbers 951-966.

They were mainly allocated to the Salonika division, but hauled both freight and passenger trains (including Athens to Istanbul Expresses) all across Greece, until they were slowly replaced by diesel locomotives until the mid-1970s, being one of the last classes of steam locomotives of SEK to be withdrawn from regular service.


A total of eight Greek Austerity 2-10-0s have survived the 1984-1985 steam locomotive scrappings, two of which were repatriated to Great Britain. All of these eight still exist, two of the ones in Greece are in working condition.

Numbers Name Location
(7)3652 Λβ951 90775* Sturdee* (name not currently carried)[1] Undergoing overhaul, North Norfolk Railway, Norfolk, England
(7)3656 Λβ955 Dumped, Thessaloniki, Greece.[2]
(7)3672 Λβ960 Dame Vera Lynn* Awaiting overhaul at Grosmont North Yorkshire Moors Railway, Yorkshire, England
(7)3674 Λβ961 Dumped at an unknown location in Greece.[3]
(7)3677 Λβ962 Operational on the Drama to Xanthi line in Greece.[4]
(7)3682 Λβ964 Operational on the Drama to Xanthi line in Greece.[5]
(7)3684 Λβ966 Dumped, Thessaloniki, Greece.[6]
(7)3699 Λβ958 Stored derelict at Tithorea, Greece.[7]