•
Hamersley Iron in
Western Australia bought the prototype in May 1968, formerly lettered as
ALCO 415. The locomotive was equipped with a medium height cab and AAR Type B trucks. •
Chehalis Western Railroad bought a single high cab unit with Hi-Ad trucks. •
Columbia and Cowlitz Railway bought a single high cab unit with Hi-Ad trucks. (Both the Columbia and Cowlitz and the Chehalis Western are
Weyerhaeuser properties) •
Monongahela Connecting Railroad bought a single low cab unit with Hi-Ad trucks. •
Chicago, Rock Island and Pacific Railroad bought ten medium cab units with AAR Type B trucks. •
Southern Pacific Railroad bought ten high cab units with Type B road trucks. •
Spokane, Portland and Seattle Railway bought two medium cab units with Hi-Ad trucks; these were passed to the
Burlington Northern Railroad, 4010-4011 after a merger between the two railroads. More units were on order when Alco ended locomotive production in 1969. ==Preservation==