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Bavarian B IIIs were steam locomotives of the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn).

This article does not cite any sources. (December 2016)

Bavarian B III
Type and origin Builder Hartmann (10) Maffei (8) Build date 1852–1855 Total produced 18
Specifications Configuration: ​  • Whyte 2-4-0 Gauge 1,435 mm (4 ft 8+1⁄2 in) Leading dia. 915 mm (3 ft 0 in) Driver dia. 1,448–1,470 mm (4 ft 9 in – 4 ft 9+7⁄8 in) Length: ​  • Over beams 13,905–14,045 mm (45 ft 7+1⁄2 in – 46 ft 1 in) Axle load 10.4–11.6 t (10.2–11.4 long tons; 11.5–12.8 short tons) Adhesive weight 20.9–23.3 t (20.6–22.9 long tons; 23.0–25.7 short tons) Service weight 30.1–33.2 t (29.6–32.7 long tons; 33.2–36.6 short tons) Water cap. 5.0 m3 (1,100 imp gal; 1,300 US gal) Boiler Crampton Boiler pressure 7 kgf/cm2 (686 kPa; 99.6 lbf/in2) or 8 kgf/cm2 (785 kPa; 114 lbf/in2) or 10 kgf/cm2 (981 kPa; 142 lbf/in2) Heating surface:  • Firebox 1.24 m2 (13.3 sq ft)  • Evaporative 101.10 m2 (1,088.2 sq ft) Cylinders 2 Cylinder size 406 mm (16 in) Piston stroke 610 mm (24 in)
Performance figures Maximum speed 70 km/h (43 mph)
Career Retired 1897

Eight examples were delivered by Maffei in 1852; the remainder came from Hartmann. The machines by Hartmann had great similarity to those of the Class A IV, which were manufactured at the same time. Unlike the Hartmann engines, these locomotives also had a steam dome. This was later added to the Hartmann variants. All the engines had a Crampton boiler with smooth tubes and a Kirchweger condenser.

They were equipped with a 3 T 5 tender.

See also

• Royal Bavarian State Railways
• List of Bavarian locomotives and railbuses

External links

• Railways of Germany forum

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