Prussian T 37

The Prussian T 37s were German steam locomotives operated by the Prussian state railways. They replaced the smaller 0-6-0T locomotives on the railway line between Beuthen and Kattowitz. In all 20 engines were supplied to Prussia, of which eight were taken over by the Reichsbahn and given numbers 99 401 to 99 408. They were all withdrawn by 1939 and scrapped.

This article is about the locomotive. For other uses, see T37.
Prussian T 37
DRG Class 99.40
Number(s)
  • Oberschlesische Schmalspurbahnen: 9–24
  • KPEV: Kattowitz 111–130
  • DRG: 99 401 – 99 408
Quantity20
Manufacturer
Year(s) of manufacture1904–1912
Retired1939
Wheel arrangement0-8-0T
Axle arrangementD n2t
TypeK 44.7
Track gauge785 mm (2 ft 6 29⁄32 in)
Length over buffers8,520 mm (27 ft 11 1⁄2 in)
Service weight27.9 tonnes (27.5 long tons; 30.8 short tons)
Adhesive weight27.9 t
Top speed25 km/h (16 mph)
Driving wheel diameter810 millimetres (2 ft 7 7⁄8 in)
Valve gearWalschaerts (Heusinger)
No. of cylinders2
Cylinder bore340 mm (13 3⁄8 in)
Piston stroke400 mm (15 3⁄4 in)
Boiler Overpressure13 bar (1.30 MPa; 189 psi)
Grate area1.00 m2 (10.8 sq ft)
Evaporative heating area49.21 m2 (529.7 sq ft)
Water capacity2,500 litres (550 imp gal; 660 US gal)
FuelCoal: 1.3 tonnes (1.28 long tons; 1.43 short tons)

These locomotives were equipped with Klien-Lindner axles at each end. They had an outside frame and the third wheelset was driven. They also had an outside Walschaerts valve gear. The engines could carry 1.3 tonnes of coal and 2.5 m2 of water. The coal tank was located behind the driver's cab.

See also
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