Württemberg B and B2

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.

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 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.

See also

• List of DRG locomotives and railbuses
• List of Württemberg locomotives and railbuses

References

• Lohr, Hermann; Thielmann, Georg (1988). Lokomotiven württembergischer Eisenbahnen (EFA 2.6) (in German). Düsseldorf: Alba. pp. 63–67, 158. ISBN 3-87094-117-0.