Model
Number
Heritage
Number
Notes
B30-7A1
NS 3500
Southern
3500R
B30-7A1
NS 3501
Southern
3501K
B30-7A1
NS 3502
Southern
3502H
B30-7A1
NS 3503
Southern
3503A
B30-7A1
NS 3504
Southern
3504W
B30-7A1
NS 3505
Southern
3505L
B30-7A1
NS 3506
Southern
3506J
B30-7A1
NS 3507
Southern
3507F
B30-7A1
NS 3508
Southern
3508X
B30-7A1
NS 3509
Southern
3509T
B30-7A1
NS 3510
Southern
3510L
B30-7A1
NS 3511
Southern
3511J
B30-7A1
NS 3512
Southern
3512F
B30-7A1
NS 3513
Southern
3513X
B30-7A1
NS 3514
Southern
3514T
B30-7A1
NS 3515
Southern
3515K
B30-7A1
NS 3516
Southern
3516H
B30-7A1
NS 3517
Southern
3517A
B30-7A1
NS 3518
Southern
3518W
B30-7A1
NS 3519
Southern
3519R
B30-7A1
NS 3520
Southern
3520K
B30-7A1
NS 3521
Southern
3521H