Bavarian D IV (Ostbahn)

Bavarian D IV
DRG Class 88.70
Number(s) DRG 88 7021–7026
Quantity 12
Year(s) of manufacture 1867ff.
Retired mid-1920s
Wheel arrangement 0-4-0
Axle arrangement B n2t
Track gauge 1,435 mm (4 ft 8 1⁄2 in)
Length over buffers 7,680 mm
Service weight 24.0/27.5 t
Adhesive weight 24.0/27.5 t
Axle load 12.0/13.8 t
Top speed 45/50 km/h
No. of cylinders 2
Cylinder bore 349/356 mm
Piston stroke 508 mm
Boiler Overpressure 7/8 bar
Grate area 1.05/1.10 m2
Evaporative heating area 72.5/65.5 m2

The Bavarian Class D IV was a German steam locomotive with the Bavarian Eastern Railway (Bayrische Ostbahn).

These engines had inside frames and Allan valve gear and were delivered in three series, that differed from one another in their dimensions. The original classification D was adopted by the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn) and amended to D IV. Initially all the engines were taken over by the Deutsche Reichsbahn. However, only six vehicles were given running numbers (88 7021–7026). By the late 1920s they were all either retired or sold.

See also

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