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When aligning Kadee couplers of the traditional types (e.g. 789, 830, etc.) with the newer generation AAR "E" types (e.g. 907, 906, etc.) - strive to get their horizontal casting (mold) seams to line up.

Shown below is the newer Kadee 980 track to coupler height gauge (on the left) coupled with the traditional Kadee 880 gauge (on the right). As can be seen the seam lines line-up for both new and traditional Kadee couplers. Thus, the newer "E" generation coupler, being somewhat taller, is equidistant above and below the traditional coupler.

Image


-Ted
 
Greg,

I caught the misalignment right away since I have been upgrading all my cars and locos with Kadees; There must be well over a hundred done by now. I look at these coupler alignments almost on daily basis for each car I do - it being burned into memory.

Is there room on the RDC to tweak the coupler height at the coupler box shank using washers, or would one have to remove some material from the coupler box shank itself to get a better coupler alignment with the gauge?

-Ted
 
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