Schmidt's Pittsburgh book lists 10 1967 ALF 900 "Invader" series 750/500, all open cab.
Assigned to Engs., 9,13,19,25,40,43,45,47,53,61; serials 8-1-676 thru 8-1-685
E-9 was 8-1-677, so not in order...
Assigned to Engs., 9,13,19,25,40,43,45,47,53,61; serials 8-1-676 thru 8-1-685
E-9 was 8-1-677, so not in order...