UP GP40X 5504 has also stopped turning its wheels for a few hours at Dolores on May 28, 1998. These engines are on there fourth numbers, starting out as 9000-9005, then 90-95, then 954-959 (and then losing one to an accident), and now 5500-5504.
Date: 1998-05-28
Copyright 2020 by Ron Lehmer