UP 6000-6084 were built in Feb-Jun of 1988. They had an operating weight of 390,000 pounds. They remained in this number series until 1999.
HO GEN SD60 Locomotive, UP #6054 Video Overview
UP 6000-6084 were built in Feb-Jun of 1988. They had an operating weight of 390,000 pounds. They remained in this number series until 1999.