Bavarian Pts 3/4

The Bavarian Pts 3/4 steam locomotives of the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn) were employed on the steam 'tramway' between Altötting and Neuötting. A total of four machines were built, nos. 1101, 1102 and 1103 in 1906 and no. 1104 not until the retirement of no. 1102 in 1922. They had a covered driving gear, a high boiler with water tanks located beneath it, gangways and a railing for the running plate. The engines carried 2.5 m3 (88 cu ft) of water and 0.5 tonnes (0.49 long tons; 0.55 short tons) of coal on board.

Bavarian Pts 3/4
DRG Class 99.13
Number(s)K.Bay.Sts.E.: 1101–1104
DRG: 99 131 – 99 133
Quantity4
ManufacturerKrauss
Year(s) of manufacture1906, 1923
Retired1922–1931
Wheel arrangement2-6-0T
Axle arrangement1′C h2t
TypeK 34.8
Track gauge1,000 mm (3 ft 3 3⁄8 in)
Length over buffers6,650 mm (21 ft 9 3⁄4 in)
Service weight27.7 t (27.3 long tons; 30.5 short tons)
Top speed30 km/h (19 mph)
Driving wheel diameter800 mm (31 1⁄2 in)
Leading wheel diameter500 mm (19 5⁄8 in)
Valve gearWalschaerts (Heusinger)
No. of cylinders2
Cylinder bore380 mm (14 15⁄16 in)
Piston stroke340 mm (13 3⁄8 in)
Boiler Overpressure12 kgf/cm2 (1,180 kPa; 171 lbf/in2)
Grate area0.79 m2 (8.5 sq ft)
Superheater area9.20 m2 (99.0 sq ft)
Evaporative heating area36.65 m2 (394.5 sq ft)
Water capacity2.5 m3 (550 imp gal; 660 US gal)
Fuel500 kg (1,100 lb) coal

After the foundation of the Deutsche Reichsbahn the remaining three locomotives were taken over and grouped into DRG Class 99.13. They were given the numbers 99 131 - 99 133. The locos were only used as reserve engines after the closure of the route in 1930 and retired in 1931. Number 99 133 (ex no. 1104, factory no. 7986), however, found a new job on the Wallersdorf – Münchshöfen branch line where it worked from 1938 to the closure of the line in 1949. It was then scrapped.

See also

References
  • Obermayer, Horst J. (1971). Taschenbuch Deutsche Schmalspur-Dampflokomotiven (in German). Stuttgart: Franckh. ISBN 3-440-03818-1.
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