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Württemberg B/B2 Type and origin Builder
Esslingen Build date 1868–1878 Total produced 86
Specifications Configuration: •
Whyte
2-4-0 •
UIC 1B n2
Gauge 1,435 mm (4 ft 8+ 1 ⁄2 in )
Leading dia. 930 mm (3 ft 5 ⁄8 in)
Driver dia. 1,530 mm (5 ft 1 ⁄4 in)Length: • Over beams ~ 13,120 mm (43 ft 1 ⁄2 in)
Axle load 11.0 tonnes (10.8 long tons; 12.1 short tons)
Adhesive weight 20.0 tonnes (19.7 long tons; 22.0 short tons) Service weight 29.2 tonnes (28.7 long tons; 32.2 short tons) Water cap. 6.5 m3 (1,400 imp gal; 1,700 US gal) Boiler pressure 9 kgf/cm2 (883 kPa; 128 lbf/in2 ) Heating surface: • Firebox 0.98 m2 (10.5 sq ft) • Evaporative 102.58 m2 (1,104.2 sq ft)
Cylinder size 408 mm (16+ 1 ⁄16 in)
Piston stroke 561 mm (22+ 1 ⁄16 in)
The Württemberg Class B and Class B2 engines were
steam locomotives with the
Royal Württemberg State Railways (Königlich Württembergische Staats-Eisenbahnen ) first built in 1868 by the
Maschinenfabrik Esslingen ('Esslingen engineering works') in
Esslingen in the former
Kingdom of Württemberg in southern
Germany .
The engines had a
Crampton boiler , an inside
Allan valve gear and, for the first time in Württemberg, a Prüsmann chimney. They were equipped with 2 T 6.5
tenders .
Lohr, Hermann; Thielmann, Georg (1988). Lokomotiven württembergischer Eisenbahnen (EFA 2.6) (in German). Düsseldorf: Alba. pp. 63–67, 158.
ISBN
3-87094-117-0 .