Tp14

EPPK No. 56 (WLF 218/1876), probably a factory photo. After the war this locomotive was taken over by ČSD and withdrawn in June 1925. Source: www.commons.wikimedia.org.

Side view of ČSD class 401.1 with class 409.0 (kkStB class 19) three-axle tender. Source: EZ vol. 2.

Austro-Hungarian Eisenbahn Pilsen-Priesen-Komotau (EPPK, today in Czech Republic, known as Plzeňsko-březenská dráha) was a private railway founded in 1870. Due to poor financial condition in was nationalized on January 1, 1884, and became a part of the state railways kkStB. In all, EPPK took delivery of 38 locomotives, built between 1871 and 1881 by Sigl, WLF and Wiener Neustadt. Last batch included eight 0-4-0 engines, numbered 51 through 58. After nationalization they were initially classed BK III and given kkStB numbers 7101 through 7108 (after 1905, 71.01 through 08). First six were built by WLF and featured Gooch valve gear and boiler pressure of 9 bar. Last two, built by Wiener Neustadt, were fitted with Allan valve gear and boiler pressure was increased to 10 bar; they were slightly heavier. Later all these engines were modernized and re-boilered. Eight similar locomotives were built for Lemberg-Czernowitz-Jassy Eisenbahn (LCJE) in Eastern Galicia. Initially numbered 7121 through 7128, they differed in many details and in 1905 were classed 171.

After the war seven class 71 locomotives were taken over by Czechoslovakian state railways ČSD. 71.06 (former EPPK 56, WLF 218/1876) was withdrawn in June 1925; the rest were later classed 401.1. Last of them, 401.105 (former EPPK 55, kkStB 71.05, WLF 217/1876) remained in use until 1950 and then for six more years served as a stationary boiler. Eighth engine, 71.08 (former EPPK 58, kkStB 71.08, Wiener Neustadt 2566/1881) was impressed into PKP. Little is known about its service. Most probably class designation Tp14 was intended for this single locomotive, but never actually assigned, as it was withdrawn before the new system came into use.

Main technical data

No.	Parameter	Unit	Value
1.	Years of manufacture	-	1876 – 1881
2.	Total built / used in Poland	-	8 / 1
3.	Tender class	-
4.	Axle arrangement	-	0-4-0
5.	Design maximum speed	km/h	35
6.	Cylinder number x bore	mm	2 x 510
7.	Piston stroke	mm	550
8.	Engine rating	kW/hp	320 / 435
9.	Tractive effort	kG	7 800
10.	Boiler pressure	MPa	1.01
11.	Grate dimensions	m X m	2.12 m^2
12.	Firebox heating surface	m^2	9.20
13.	Distance between tube plates	mm	4 770
14.	Number of flue tubes	-	186
15.	Heating surface of flue tubes	m^2	142.10
16.	Number of smoke tubes	-	-
17.	Heating surface of smoke tubes	m^2	-
18.	Evaporating surface, total	m^2	151.30
19.	Superheater heating surface	m^2	-
20.	Diameter of drivers	mm	1 175
21.	Diameter of idlers front/rear	mm	- / -
22.	Total weight, empty	kg	41 000
23.	Total weight, working order	kg	47 000
24.	Weight on drivers, working order	kg	41 000
25.	Weight with tender, empty	kg
26.	Weight with tender, working order	kg
27.	Maximum axle load	T	12.0
28.	Axle base (with tender)	mm	11 349
29.	Overall length (with tender)	mm	15 717
30.	Brake type	-	Hardy^1)

Note: data for final re-boilered version.

1) Initially some examples were fitted with Lechatelier steam brake.

References and acknowledgments

- www.pospichal.net/lokstatistik (website by Josef Pospichal);

- LP, EZ vol. 2, KT vol. 3.