PKP series scheme

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The PKP series scheme is a system of letters and numbers for classifying and subdividing the various series of locomotives of the Polish State Railways PKP.

Electric and diesel locomotives and railcars

Example for an electric locomotive :
E stands for electric locomotive
T stands for freight locomotive
22 stands for six axles, Co'Co ', 3 kV direct current
the next three numbers form the serial number
First letter
Second letter
Locomotives
    • P - passenger locomotive ( pasażerska )
    • T - freight locomotive ( towarowa )
    • U - universal locomotive ( uniwersalna )
    • M - shunting locomotive ( manewrowa )
Railcar
    • W - high-floor ( węzłowy )
    • N - high and low floor ( normalny )
    • D - for long-distance connections ( dalekobieżny )
    • A - rail bus ( autobus szynowy )
First and second digits
Electric locomotives
Electric railcars
Diesel locomotives
    • 01 - 09 - mechanical power transmission
    • 10 - 14 - mechanical power transmission with multiple control
    • 15 - 24 - hydraulic power transmission
    • 25 - 29 - hydraulic power transmission, with multiple control
    • 30 - 39 - Electric power transmission
    • 40 - 49 - electrical power transmission, with multiple control

Steam locomotives

an example on a steam locomotive :
P stands for express train locomotive
m stands for the wheel arrangement 2'C1
'36 identifies a Polish locomotive designed in 1936
First letter
  • P - express train locomotive ( pospieszna )
  • O - passenger locomotive ( osobowy )
  • T - freight locomotive ( towarowa )
Second letter
  • a - one driving axle , one or more running axles
  • b - B
  • c - 1'B or B1 '
  • d - 2'B or B2 '
  • e - 2'B2 'or 1'B1'
  • f - 2'B1 'or 1'B2'
  • g - two driving axles, more than three running axles
  • h - C
  • i - 1'C or C1 '
  • k - 2'C or C2 '
  • l - 1'C1 '
  • m - 2'C1 '
  • n - 1'C2 '
  • o - three driving axles, more than three running axles
  • p - D
  • r - 1'D or D1 '
  • s - 2'D or D2 '
  • t - 1'D1 '
  • u - four driving axles, more than two running axles
  • w - E
  • y - 1'E
  • z - five driving axes, more than one running axis
  • x - six driving axles including any running axles
  • bb - BB
  • ii - 1CC1
Digits
  • 1–9 - formerly German locomotives ( Prussian State Railways , DRG / DR etc.)
  • 10-19 - formerly Austrian locomotives ( kkStB etc.)
  • 20–99 - locomotives procured by PKP (digits correspond to the year of construction)
  • 100–199 - other foreign locomotives that came to PKP between 1918 and 1939
  • 200–299 - other foreign locomotives that came to PKP after 1945
Additional letter "K"

The additional letter "K" (Kusy) denotes tank locomotives . Locomotives with tenders are not marked separately.

serial number

After the series designation, the serial number is given as one to four digits. Two-part electric and diesel locomotives are also given the letters A or B in front.

tender

First number pad
  • The number in front of the letter indicates the water content in cubic meters.
Letter
  • The letter indicates the number of axes:
    • C - triaxial
    • D - four-axis
Second number pad
  • The number after the letter indicates the year the tender was built.

For example, a tender with the number 22D23 has a water capacity of 22 cubic meters, has four axles and was built in 1923 .

Narrow gauge vehicles

The designation scheme for narrow-gauge vehicles does not actually use any model series designations, but only encodes characteristics. This means that very different vehicles can have the same feature encryption. The vehicles are numbered separately for steam locomotives, diesel locomotives and railcars. The differentiation according to gauges is based solely on the number count.

Identification of the type of vehicle
  • L - diesel locomotive
  • Lf - diesel locomotive with luggage compartment
  • M - railcar
  • P - Steam locomotive with a tender
  • Pt - tender
  • T - tender steam locomotives
  • Zt - additional tender
Water volume (tender only)

In the case of tenders, the water content is given in cubic meters immediately after the vehicle type has been labeled.

Car class (only for railcars)
  • A - first class
  • B - second class
  • AB - First and Second Class
Number of axles
  • w - 5 axes
  • x - 4 axes
  • y - 3 axes
  • z - 6 axes

There is no marking for two-axle vehicles.

Position of a running axle (only for locomotives)
  • a - front axle
  • b - rear axle
  • n - running axis front and rear

The marking does not apply to locomotives without a running axle.

Type of engine (only for diesel locomotives and railcars)
  • a - electric motor
  • c - low pressure combustion engine (gasoline engine)
  • d - high pressure internal combustion engine (diesel engine)
Type of power transmission (only for diesel locomotives and railcars)
  • 1 - mechanical
  • 2 - hydraulic
  • 3 - hydromechanical
  • 4 - electric
Performance (only for steam locomotives taken over from other railways)
  • 1 - up to 42 kW
  • 2 - over 42 to 59 kW
  • 3 - over 59 to 74 kW
  • 4 - over 74 to 88 kW
  • 5 - over 88 to 110 kW
  • 6 - over 110 to 132 kW
  • 7 - over 132 to 162 kW
  • 8 - over 162 to 221 kW
  • 9 - over 221 kW

Locomotives taken over from UNRRA are also marked with a "u".

Year of construction (only for steam locomotives and tenders procured by PKP)

For steam locomotives purchased by PKP, the last two digits of the year of construction are given.

literature

  • Ingo Hütter, Reimar Holzinger: The PKP Locomotives 1918–1939 . DGEG, Hövelhof 2007, ISBN 978-3-937189-27-7 .
  • Paweł Terczyński: Atlas lokomotyw . Poznański Klub Modelarzy Kolejowych, Poznań 2004, ISBN 83-920757-1-4 .
  • Paweł Terczyński: Atlas parowozów . Poznański Klub Modelarzy Kolejowych, Poznań 2003, ISBN 83-901902-8-1 .
  • Paweł Korcz: Atlas wąskotorówek . Poznański Klub Modelarzy Kolejowych, Poznań 2006, ISBN 83-920757-3-0 .

Web links