The Lyd2 Page

The most powerful 2' gauge Diesel Locomotives in Britain

This is the home page for the exPKP (Polish State Railways) Lyd2 Class locomotives now resident on the Welsh Highland Railway at Porthmadog.

Lyd2-60

Lyd2 Class Locomotives.

The Lyd2 class locomotives were built at the '23rd August Locomotive Works' (now Faur), Bucharest, Romania.

Class type L30H
Engine 6 cylinder, 29.6 Litre 350hp maybach engine, (build under license in Romania)
Transmission Voith Hydraulic torque converter.
Wheel arrangement 0-6-0
Wheel diameter 800mm
Wheel gauge 600mm (21 " back to back)
Weight 24 tonnes
Max axle load 7 tonnes

What does Lyd2 stand for?

Lyd2 is one of PKP's Post war locomotive classifications, the letters translate as follows:

L L - motor locomotives
y Wheel arrangement

y - 3 axle (0-6-0)

x - 4 axle (Bo-Bo or B'-B' or D' or 0-8-0)

d d - diesel engine

c - Petrol (gasoline) engine

2 1 = Mechanical Transmission

2 = Hydraulic Transmission

 

Click here to see Jeffrey Dobek explanation of PKP's classifications


What's inside an Lyd2 ?

Back end of the engine showing the Starter Motor & Alternator Another view through left hand side doors 5 & 6 A view through the right hand doors 5 & 6
Back end of the engine showing the Starter Motor & Alternator
Another view through left hand side doors 5 & 6 A view through the right hand doors 5 & 6

Maybach engine (from Lxd2) Final Transmission
This is a Maybach engine of the type used in the Lyd2's, however this one is from its sister class, Lxd2, at Oplenica This is a shot of the main transmission, taken on a flat wagon at Znin. Lyd2 wheele sets at Cisna
Inside of cab
Inside the cab of Lyd2-58 Inside the cab of Lyd2-05, notice the differences between the 1977 & 1980 versions This is one the Cylinder Liners from Lyd2-60. This is the old one, replaced in 1997

Return to the Lyd2 Home page
Andrew Goodwin, Stephen Goodwin & Dave Meller 1996-2003
Last Updated 14 October 2003