5.5mm Association

The Harold Minkwitz Archive

Locomotive Resources for 55n3

This page contains locomotive parts suitable for 55n3. It is not a complete listing.

Drivers, Gearboxes and Motors

Scale55 has the largest available quartered drivers in three foot gauge. Locomotives can't be built without drivers.

Motorbogies offers Romford self-quartering drivers as well as other drive chain components.

Click here to visit the Motorbogies website.

Scalelink offers Romford self-quartering drivers.

Click here to visit the Scalelink website.

The Alan Gibson Worshop offers a line of drivers that have steel tyres but need to be quartered.

Click here to visit the Alan Gibson Workshop website.

Bowser Trains offer parts, get this reference manual.

Click here to visit the Bowser Trains website.

Shapeways and Other 3D Printers

3d printing has opened up a new world of available resources.

Here is an S Scale cab for the Bachmann Mogul which makes variants of the mogul possible.

I constructed this Sn3.5 cab in 3d and had Shapeways print the cab. The sky is the limit.

The Mantua/Tyco Ten-Wheeler

The Mantua/Tyco Ten Wheeler is really a 64n3.5 locomotive and not HO. It matches a SP 3 footer in Scale64. They can be found at trains shows.
By utilizing the back two drive slots a small 4-4-0 can be developed. The chassis will except up to 19mm diameter drivers without boiler modifications. Shorten the frame and add a two wheel pilot and a mogul can be developed.
P-B-L offers brass Scale64 parts, the air compressors are useful for representing earlier units.

Click here to visit the P-B-L website.

Roundhouse HO Locomotives

Roundhouse HO locomotives lend themselves to conversion to small mining and logging locos.
Click here to visit the section on Roundhouse Locos.


Bowser's HO Pennsy I-10 Decopod Frame matches the wheel spacings for a 2-8-0 and 4-4-0.


Mount Blue Model Company offers this cab for the Bachmann small 0n30 4-4-0. It is a match for the C-16 2-8-0 drawings cab. They also offer a pilot for the 55n3 Bachmann 4-4-0.

Click here to visit the Mount Blue Model Company website.

0 Scale Parts

Precision Scale Co. offers and extensive line of Scale48 parts that can be used in Scale55. They also have Scale64.

Click here to visit the Precision Scale Co. website.


Keith Wiseman offers this small Scale55 tender.

Click here to visit the Wiseman Model Services website.

HO to 55n3 Ten Wheelers

Click here to go to the section on ten-wheelers.