Last updated: 21 March 1997 Numbers Number Model Notes 1203 1 SW1200 1212 1 SW1500 1501-1502 2 SW1500 1601,1603,1606 3 GP7 2660-2664,2666, 23 GP35 To be rebiult 2679,2691,2695, 2699,2703,2705, 2708-2710,2712, 2713 3016,3034,3046, 14 SD40 3048,3049,3067, 3068,3073,3102, 4001,4003,4016, 4018,4025