@albertstrains posted:I have an MTH Alco S2 switcher that craps out on my Fastrack 072 switches from time to time. I have tried a few things to rectify the issue, but still looking for a solution.
Your modification looks like it may be the answer to fix the problem.
Thank you for sharing!
Al
There's no harm in trying. My cost was only $0.45 per roller purchasing them in bulk at the Train Tender. That's only $1.80 per locomotive. And it is a reversible modification. So, if it doesn't work out, you have a few extra rollers that are used in a wide variety of common postwar diesels.