TCS is dedicated to
Providing high quality Digital Command Control decoders and
harnesses to the DCC industry. We manufacture a wide range of
decoders for HO, N, and Z scale. |
K2D4 NOW SHIPPING !!!
( Fits: Kato N Scale EMD SD80MAC, EMD SD90/43MAC, RS2, RSC2,
Walthers LL Proto N RS2, Walthers LL Proto N GP18. )

IMD4 NOW SHIPPING !!!
( Fits Intermountain: SD40T-2, SD45T-2, SD45-2 )

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K1D4-NC
The K1D4-NC is designed to fit in the Kato GG1, SD40 Rev. 2, SD70ACe. This decoder is designed to use the original motor clips from the locomotive, and it uses surface mount LED's to provide adequate clearence for the shell. |
ALD4
The ALD4 is a drop-in for the Atlas SD50 and SD60. ALD4 installation.
NOTE: Atlas is re-releasing these locomotives at the end of July 2009. Dealers: Get your orders in now to be sure you are ready for this release by Atlas. |
MZA4
The MZA4 is designed for Micro-Train Lines, Z-Scale, diesel locomotives. For more information visit the Z-Scale page or see it installed. |

K1D4
K1D4 is now shipping! This Drop-In fits a wide a range of Kato locomotives. Four Function Decoder with built-in onboard resistors for LED's and 1.5v.Visit the Kato N-Scale Drop-in Page for more information.
New Decoders Coming!: We will be releasing several more new decoders in the upcoming months including two more N-Scale Kato Drop-Ins, and another Z-scale decoder. Follow this Link to view more information.