Bavarian C III (Ostbahn)

The Bavarian Class C, later C III, waw a German steam locomotive with the Bavarian Eastern Railway (Bayrischen Ostbahn) and Deutsche Reichsbahn.

Bavarian C III
DRG Class 53.78
Number(s)
  • BOB: C13 to C64
  • K.Bay.Sts.E: 1124–1189
  • DRG: 53 7835 – 53 7864
Quantity55
ManufacturerMaffei
Year(s) of manufacture1867–1875
Retiredup to 1925
Wheel arrangement0-6-0
Axle arrangementC n2
Track gauge1,435 mm (4 ft 8 1⁄2 in)
Length over buffers14,115 mm (46 ft 3 3⁄4 in)
Service weight24.0/27.5 m2
Adhesive weight24.0/27.5 m2
Top speed45 km/h (28 mph)
Driving wheel diameter1,220/1,255/1,274 mm
Valve gearAllan
No. of cylinders2
Cylinder bore349 or 356 mm (13 3⁄4 or 14 in)
Piston stroke508 mm (20 in)
Boiler Overpressure8–10 kgf/cm2 (785–981 kPa; 114–142 lbf/in2)
Grate area1.05 or 1.10 m2 (11.3 or 11.8 sq ft)
Evaporative heating area72.50 or 66.50 m2 (780.4 or 715.8 sq ft)
Tender3 T 9 or 3 T 9.5
Water capacity9.0 or 9.5 m3 (2,000 or 2,100 imp gal; 2,400 or 2,500 US gal)

From 1867 a total of 152 examples of this engine were built in Bavaria for the Ostbahn. The five series differed in their dimensions from one another. They had larger grate and heating areas than their predecessor engines, the Class C II. In addition the drive was to the middle axle, so that shorter connecting rods could be used. The locomotives had an Allan valve gear and injectors.

Retirement began after 1905. In 1920, 49 machines were still left. The Reichsbahn recorded 35 of the 38 remaining engines in 1923 and gave them the numbers 53 7835 to 53 7864. However, by 1925 they were no longer on active duty. Three engines went as reparations to the Belgian State Railways.

The locomotives were equipped with 3 T 9 and 3 T 9.5 tenders.

See also
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