| Caught in a dead line at Owosso, Michigan were sistter units, Ann Arbor RS1's #20 & 21. Both were built for the Ann Arbor RR in November of 1950. According to the photos posted on RRPA, AA #20 still survives as a static display in Shepherd, MI as of 2022. Ann Arbor #21 also has survived in Lenawee Jct, MI but in poor condition as of 2021. Color slide by M. G. Lovis. |