QUOTE: Originally posted by cacole Yes, the frame halves on the NW2 had to be separated to get to the motor. As it comes from the factory, the Kato motor has bronze wipers that make contact with the frame halves for electrical pickup. These wipers have to be insulated from the frame and have the decoder's wires connected to them, and the only way you can get to them is total disassembly.
QUOTE: Originally posted by cacole I don't know why Kato has been so reluctant to incorporate a DCC socket or even a decoder into their locomotives. I have installed decoders in many Kato models, including some NW2 switchers that were not DCC ready. It wasn't easy, and required grinding away some of the weight to make room for the decoder, but it can be done.