Mountain Subdivision Hobbies

10/10/2026

If you haven’t seen RMC in a while, you are truly missing the best magazine out there.

It’s super easy to subscribe.

Since 1933, Railroad Model Craftsman brings you the best in scale model railroading every month! In each issue you'll enjoy beautiful layout tours, detailed scratchbuilding and detailing features, the latest news and in-depth product reviews, exact scale drawings, construction tips and techniques, a...

10/04/2026

Arriving soon! NixTrainz N18 and N18+ Decoder Buddy's. These pair perfectly with in-stock ESU Next18 decoders and special order Soundtraxx TSU-N18's

Message us to preorder. Order links will be added in comments soon. Bundle a Decoder Buddy with a ESU or Soundtraxx decoder for even more savings.

10/04/2026

Thank you to everyone that stopped by to see us at the Rochester Trainfest by Genesee Society of Model Engineers.

Don't forget to use your discount code to do after show shopping

10/03/2026

These new speakers from ESU will be available and ready to ship next week.

Also, if you haven’t tried ESU’s passive radiator speakers, you’re missing out. Excellent sound reproduction. Test one and compare with your own ears. Perfect for HO and larger.

Our ALL NEW 50352 10mm x 12mm and 50353 13mm x 18mm speaker kits have arrived in our warehouse and are shipping to your ESU dealer of choice NOW! These speakers are great for N Scale and Smaller HO scale models!

09/27/2026

Nixtrainz Decoder Buddy V8’s are here!

09/27/2026

The new Decoder Buddy V8’s are in stock and ready for your installs. Three versions available.

Stop by our site and get yours today.

09/25/2026

Two more updated sound files are out and ready for download! Just another example of how we are constantly striving to have the best sound in model railroading.

09/24/2026

Great RPM meet last year, next year will be even better. New bigger space, new sponsor, and more model table space!

Hope to see you there!

09/24/2026

Two new additions to the store from AK Interactive:

https://www.modelrrsupply.com/products/ak8013-terrains-asphalt-black-gray-diorama-series-250ml

Almost every item from AK is available for us to order for you, message us.

Scale asphalt texture with a black/grey shade similar to that of roads, highways or any asphalt covered surface. This is a high quality acrylic product developed for extreme realism. Acrylic product for textures in dioramas. Perfect results in thin or thick layers. It can be diluted with water or an...

09/24/2026

What's new?

NixTrainz V8 Decoder Buddy! Due here in a few days and ready for orders on our site.

3 versions: Onboard Super Caps, Remote Super Caps, and no super caps. All use 1k resistor for led lighting.

Next18 Decoder Buddy's will be here very soon as well.

See the full line at:
https://www.modelrrsupply.com/collections/nixtrainz
https://www.modelrrsupply.com/collections/nixtrainz

NixTrainz, founded by Nick Santo, is the creator of the Decoder Buddy, a popular, NMRA-standard, 21-pin, motherboard designed to simplify Digital Command Control (DCC) installations in model locomotives. The board replaces stock motherboards to allow easy installation of 21-pin decoders from brands....