Bavarian P 3/5 N

The 36 locomotives of Class P 3/5 N of the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn) were built between 1905 and 1907 by Maffei. The P 3/5 N evolved from the S 3/5 express train locomotive and had likewise a four-cylinder compound configuration. Compared with the S 3/5 the P 3/5 N had a smaller boiler but the same size cylinders. The P 3/5 N could haul a 350-ton train at 80 km/h on the level.

Bavarian P 3/5 N
DRG Class 38.0
Number(s)DRG 38 001–013
Quantity36
ManufacturerMaffei
Year(s) of manufacture1905–1907
Retired1938
Wheel arrangement4-6-0
Axle arrangement2'C n4v
Track gauge1,435 mm (4 ft 8 1⁄2 in)
Length over buffers18,524 mm
Service weight68.8 t
Adhesive weight45.2 t
Axle load15.3 t
Top speed90 km/h
Driving wheel diameter1,640 mm
Leading wheel diameter850 mm
No. of cylinders4
Cylinder bore2×340/570 mm
Piston stroke640 mm
Boiler Overpressure15 bar
Grate area2.60 m2
Evaporative heating area165.50 m2
Tenderbay 2'2' T 18,2
Water capacity18.2 m3

Six locomotives were destroyed in World War I; 17 more had to be handed over as reparations. The remaining 13 locomotives were taken over by the Deutsche Reichsbahn as Class 38.0.

The S 3/6 had already displaced these locomotives from the higher value passenger services.

Following positive experience with the Class P 3/5 H, the later DRG Class 38.4, in 1921, all P 3/5 N were converted from saturated to superheated steam operation between 1924 and 1925. The vehicles were nevertheless retired between 1932 and; the last locomotive in service was the 38 003.

The engines were equipped with Bavarian 2'2' T 18,2 tenders.

See also
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