This guide shows how to install DCC sound into the later Dapol N Gauge Class 43 (HST) models that are fitted with a Next18 decoder socket.

• Dapol Class 43 'National Railway Museum' 43238 / 43302 in LNER Red (2D-019-203)
• Gaugemaster Class 43 New Measurement Train 'John Armitt' 43062 / 43014 in Network Rail Yellow (GM2210303)
• Gaugemaster Class 43 Castle Set 'John Armitt' 43041 / 430093 in GWR Green (GM2210301)

For the older version, check out our specific guide for installing DCC sound in Dapol Class 43 with 6-pin decoder socket. Both the motorized loco and the dummy loco can be converted in a similar way, and some sound providers (e.g. Legomanbiffo) have a customized 'matched pair' version so that certain sounds (e.g. horn) come from the correct loco end depending on the direction of travel.

Step 1 - Remove Body

Gently pop the body off by pushing upwards. Note the two solder pads on the Next18 socket PCB for the speaker wires at the bottom right-hand side.

Step 2 - Fit Speaker

Fit the speaker on its side at the back of the loco. Trim the wires down to length, then solder to the decoder socket PCB.

Step 3 - Fit Decoder

Plug your ESU LokSound 5 Micro decoder into the socket.

Step 4 - Refit Body

Refit the loco body and the conversion is complete.

Step 5 - Dummy Loco

The process for fitting a sound decoder and speaker into the dummy loco at the other end is basically the same. It is possible to fit a larger speaker in the space where the motor would be, however it's easier to get the sound levels balanced between the two locos if the speakers are both the same.