EMD 3

Does anybody know the specific dates when SD60 EMD 3 received its radial trucks, ditch lights, and beacon were removed?

It recieved the radial trucks around November 1990.

Earlier than that - It tested in La Junta as early as 1986 with a radial truck on the front along with an unlettered SBD SD50 (#8550) between La Junta and Raton…