Palatine R 4/4

Bavarian, Palatine R 4/4
DRG Class 92.20
Number(s) DRG 90 2001–2049
Quantity 51
Manufacturer Krauss
Year(s) of manufacture 1913–1915 (Palatinate)
1918–1925 (Bavaria)
Retired 1962
Wheel arrangement 0-8-0
Axle arrangement D n2t
Type Gt 44.16 (2001–2040)
Gt 44.17 (2041–2049)
Gauge 1,435 mm (4 ft 8 1⁄2 in)
Length over buffers 10,840 mm (2001–2027)
11,042 mm (2028–2049)
Service weight 66.9 t
Adhesive weight 66.9 t
Axle load 16.9 t
Top speed 45 km/h
Indicated Power 419 kW
Driving wheel diameter 1,216 mm
No. of cylinders 2
Cylinder bore 530 mm
Piston stroke 650 mm
Boiler Overpressure 12 bar
Grate area 2.00 m²
Evaporative heating area 123.64 m²
Brakes Hand brakes on the front three axles (originally), Westinghouse compressed-air brakes

The physically identical Palatine and Bavarian Class R 4/4 engines of the Royal Bavarian State Railways (Königlich Bayerische Staats-Eisenbahnen) were goods train tank locomotives with four coupled axles and no carrying axles. The first nine machines were built for the Palatinate Railway (Pfalzbahn) in 1913 and 1915 as the Palatine Class R 4, the remainder from 1918 to 1925 as Bavarian R 4/4 engines.

In 1925 seven Palatine R 4/4 with operating numbers 92 2001 to 92 2007 and all the Bavarian R 4/4 with operating numbers 92 2008 to 92 2049 were incorporated by the Deutsche Reichsbahn into their numbering plan as Class 92.20.

Retirement started in 1945 and was completed in 1962 with the last one, which was stabled in Nuremberg.

See also

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