Prussian T 6

Prussian T 6
PKP OKl1

Type and origin
Builder	Berliner Maschinenbau
Build date	1902
Total produced	12

Specifications
Configuration:
• Whyte	2-6-2T
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1,000 mm (3 ft 3+3⁄8 in)
Driver dia.	1,500 mm (4 ft 11 in)
Trailing dia.	1,000 mm (3 ft 3+3⁄8 in)
Length:
• Over beams	13,400 mm (43 ft 11+1⁄2 in)
Axle load	16.6 t (16.3 long tons; 18.3 short tons)
Adhesive weight	48.8 t (48.0 long tons; 53.8 short tons)
Service weight	79.0 t (77.8 long tons; 87.1 short tons)
Fuel capacity	2.5 t (5,500 lb) of coal
Water cap.	6.7 m³ (1,500 imp gal; 1,800 US gal)
Boiler pressure	14 kgf/cm² (1.37 MPa; 199 lbf/in²)
Heating surface: • Firebox	2.30 m² (24.8 sq ft)
• Evaporative	154.50 m² (1,663.0 sq ft)
Cylinders	3
Cylinder size	500 mm (19+11⁄16 in)
Piston stroke	630 mm (24+13⁄16 in)

Performance figures
Maximum speed	75 km/h (47 mph)

Career
Retired	Early 1920s

The T 6 of the Prussian State Railways were a class of twelve passenger tank locomotives. They were intended as an alternative to the Prussian T 11 and T 12 classes on the routes of the Berlin Stadt (city), Ring and suburban network. A total of twelve locomotives were built in 1902 by Berliner Maschinenbau AG. Two went to the Altona Division, the other ten to the Berlin Division. The design was unusual – being a three-cylinder design. In comparison to the T 11 and T 12, they were the least economical of the three classes. They were also other technical reasons why no more T 6 locomotives were built.^[1]^[2]

The locomotives were later dispersed to other railway divisions. After World War I, five went to the Polish State Railways (PKP), who classified them as OKl1. The locomotives that remained in Germany were retired by the early 1920s^[2]

References

^ Spielhoff, Lothar (1995). Länderbahn-Dampflokomotiven. Band 1: Preußen, Mecklenburg, Oldenburg, Sachsen und Elsaß-Lothringen. Weltbild Verlag. p. 81. ISBN 3-89350-819-8.
^ ^a ^b "Neue Berliner Stadtbahn-Lokomotive". Die Locomotive (in German). Vienna: Oskar Schilff. June 1904. pp. 43–44.

v t e Classes of Prussian locomotive and railcars
Express train locomotives	S 1 S 2 S 3 S 4 S 5.1 S 5.2 S 6 S 7 S 8 S 9 (Exp.) S 9 S 10 S 10.1 S 10.2 S 11
Passenger and express train locomotives	P 1 P 2 P 3 P 3.1 P 3.2 P 4 P 4.1 P 4.2 P 6 P 7 P 8 P 10
Goods train locomotives	G 1 G 2 G 3 G 4.1 G 4.2 G 4.3 G 5.1 G 5.2 G 5.3 G 5.4 G 5.5 G 7.1 G 7.2 G 7.3 G 8 G 8.1 G 8.2 G 8.3 G 9 (Mallet) G 9 G 10 G 12 (CFOA type) G 12 G 12.1
Tank locomotives	T 0 T 1 T 2 T 2/T 4 T 2.1 T 2/T 3/T 4 T 3 T 4 T 4.1 T 4.2 T 4.3 T 5.1 T 5.2 T 6 T 7 T 8 T 9 Elberfeld T 9 Langenschwalbach T 9.1 T 9.2 T 9.3 T 10 T 11 T 12 T 13 Hagans T 13.1 T 14 T 14.1 T 14 (Exp.) T 15 T 16 (Exp.) T 16 T 16.1 T 18 T 20 T 26 T 28
Narrow gauge locomotives	T 31 T 32 T 33 T 34 T 35 T 36 T 37 T 38 T 39 T 40
Electric locomotives	to follow
Railbuses	to follow
Prussian state railways

This page was last edited on 2 February 2022, at 14:18

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References