A quick clarification here:
The Kato E5, E7, E8 and E9 all share the same frames and are all dcc friendly.
there are light board/light pipe differences between the E8/9, E5 and E7 so it's not always a dead swap without either swapping the light board over or modifying. The E7's use a SMLED that is set further back as opposed to a 3mm LED that the E8/9 uses. The E5 also uses a 3mm led, however it extends further forward.
So...depending on what way you go, you may need to swap out the light board, or if you're already installing dcc or dcc and sound, account for the differences in in light pipes.
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Hope this helps!
Kelley.
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