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    Specifications for 4018
    Simple articulated type 4-8-8-4 wheel arrangement
    UP Class 4-8-8-4 68 23 3/4 23 3/4 /32 540 M.B.

    Built September, 1941
    American Locomotive Schenectady Works, NY
    One of a lot of numbered 4000-4019
    UP order 5831-34
    Lot S-1844 Serial Number 69589
    Cost $265,000.00

    Service History: Accumulated Mileage
Year Miles Year Miles
1942 76,748 1951 64,924
1943 80,145 1952 71,136
1944 74,833 1953 68,738
1945 75,043 1954 51,643
1946 80,867 1955 55,910
1947 78,248 1956 43,338
1948 57,977 1957 26,677
1949 64,778 1958-64 stored
1950 72,208
Total Miles: 1,037,213