What year did they change the differential spider from the small leg to the standard size was it 1910? Bob
We need to keep things like this alive.
However, this may be the wrong week to ask such a question. Many of those best suited to answer are busy with the OCF coming up.
Several of our most knowledgeable and best researchers live in the Michigan area and are quite involved with various related activities these couple weeks. It may be best to bring this up again after they have had a few days to recover.
I am pretty sure it was about 1910. However, whether early or late in the year I have no idea. Could even be early 1911? That is about the best I can do.
July 1911 parts book shows only the bushed spider. The next book listed is December 1911 and shows the option of both spiders, bushed or no bush 2526B.