Masthead image

Sprung Diesel Bogies

We offer a range of etched brass kits for adding sprung suspensions to proprietary 4mm scale diesel locomotives as part of a conversion to EM or P4 gauges. Prices and details here.

Take our site tour and step beyond the simple "Drop-in" conversion…

Bogie Detail Bits

Cosmetic details from our sprung bogie kits, available separately. Details here.

Updates to Instructions

Most recent updates to instructions: 25th Mar, 2016.

Revision details here.

Instructions main index here.


Come and see us on our trade stand, for demonstrations, sample builds and kits for sale.

  • Expo EM North
    George H Carnall Leisure Centre,
    Kingsway Park, Urmston,
    Manchester M41 7FJ.
    17th - 18th September, 2016

  • Scaleforum
    Stoke Mandeville Stadium
    24th - 25th September, 2016

Latest News

16th July, 2016

Added photos to Gallery page:

  • our sprung Kestrel at Cornwallis Yard (ExpoEM) and Wibdenshaw (RailEX),
  • our Class 25 at Rolvenden (RailEX).

News Archive.

Running Notices

There is an in-depth review of our Class 25 suspension kit in the Model Railway Journal, issue No. 231.

Currently working on new kits for Bachmann 1Co-Co1 locos.

World Wide Web Consortium Valid XHTML 1.0! Valid CSS 2!

Website design and content by, and ©, PenBits Model Railways, Nov 2012 - Feb 2015. All Rights Reserved.