Bavarian B III

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Bavarian B III
Quantity 18
Manufacturer Hartmann, Maffei
Year(s) of manufacture 1852–1855
Retired 1897
Wheel arrangement 2-4-0
Axle arrangement 1B n2
Track gauge 1,435 mm (4 ft 8 12 in)
Length over buffers 13,905–14,045 mm
Service weight 30.1–33.2 t
Adhesive weight 20.9–23.3 t
Axle load 10.4–11.6 t
Top speed 70 km/h
Driving wheel diameter 1,448–1,470 mm
Leading wheel diameter 915 mm
No. of cylinders 2
Cylinder bore 406 mm
Piston stroke 610 mm
Boiler Crampton
Boiler Overpressure 7+8+10 bar
Grate area 1.24 m2
Evaporative heating area 101.10 m2
Tender 3 T 5
Water capacity 5.0 m3

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

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.

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