THE MODEL, EXPLAINED CLEARLY
Know the class.
Find the right model.
Plain-English class guides linked to representative model releases, gauges and decoder information. Search by class, maker or product code.
This preview uses catalogue facts as an index, rewrites explanations in DecoderHub’s own words and links back to the original directory. It is not yet an exhaustive list of every release.
5 classes shown
BR Class 08
Britain’s familiar diesel shunter.The Class 08 is the small diesel most people picture moving wagons around yards and depots. It is a popular model, but the decoder connection changes between older and newer releases—always check the exact product number before buying a decoder.
5 model release groupsOpen clear guideBR Class 25
A versatile Type 2 diesel.Class 25s handled passenger and freight work across much of Britain. Model catalogues include several body and cab variations, so the running number and manufacturer’s product code matter when identifying a model or choosing parts.
3 model release groupsOpen clear guideClass 66
The modern heavy-freight workhorse.The Class 66 is a modern freight locomotive seen with many operators and liveries. OO and N models have appeared in standard, DCC-ready and sound-fitted forms; the product code is the safest way to distinguish them.
3 model release groupsOpen clear guideBR Class 90
A main-line overhead electric.Class 90 electrics worked passenger, mail and freight trains. A model needs overhead wires only for appearance—most take power from the rails—but pantograph and decoder features differ by release.
2 model release groupsOpen clear guideLNER Class A4
The streamlined express icon.The A4 is a streamlined steam locomotive class associated with fast East Coast expresses. Models exist in several scales and liveries. Tender connections, decoder position and socket type vary sharply with tooling age.
4 model release groupsOpen clear guide