RDG GP7:
This page is dedicated to RDG's fleet of EMD GP7 roadswitchers. The RDG was the original owner of 44 GP7 units.
Original orders:
| Orig. road numbers | model | EMD serial no. | build date | notes |
| RDG 600 | GP7 | 16902 | 8/1952 | |
| RDG 601-603 | GP7 | 16688-16690 | 7/1952 | |
| RDG 604-608 | GP7 | 16903-16907 | 8/1952 | |
| RDG 609-624 | GP7 | 18409-18424 | 5/1953 | |
| RDG 625-636 | GP7 | 18740-18751 | 10/1953 |
| RDG 660-664 | GP7 | 16683-16687 | 6/1952 | |
| RDG 665-666 | GP7 | 16908-16909 | 8/1952 |
GP7: RDG 600 16902 8/1952 to ICG 60 to ICG 7914 (GP8) RDG 601 16688 7/1952 to ICG 1 to ICG 8317 (GP10) to PAL 8317 RDG 602 16689 7/1952 to ICG 2 to ICG 7737 (GP8) to ICG 8301 to PAL 8352 RDG 603 16690 7/1952 to ICG 3 to ICG 7727 (GP8) RDG 604 16903 8/1952 to ICG 4 to ICG 7728 (GP8) RDG 605 16904 8/1952 to ICG 5 to ICG 7730 (GP8) RDG 606 16905 8/1952 to StJ&LC 606 to HCRC 1602 to Indiana & Northeastern 1602 RDG 607 16906 8/1952 to CCT 60 RDG 608 16907 8/1952 to P&S 357 wrecked and scrapped RDG 609 18409 5/1953 to SR&N 1505 RDG 610 18410 5/1953 to ICG 84 to ICG 7738 (GP8) to MSDR 7738 to LXOH 7738 RDG 611 18411 5/1953 to ICG 11 to ICG 8116 (GP10) RDG 612 18412 5/1953 RDG 613 18413 5/1953 to SR&N 1506 RDG 614 18414 5/1953 to SJLC 614 to HCRC 1601 to IN&NE 1601 RDG 615 18415 5/1953 RDG 616 18416 5/1953 to A&SAB 500 to SCFE 9010 RDG 617 18417 5/1953 to ICG 17 to ICG 7701 (GP8) RDG 618 18418 5/1953 RDG 619 18419 5/1953 to ICG 19 to ICG 7913 (GP8) to IC 7913 to GA & FL Railnet 7913 RDG 620 18420 5/1953 to CR 5798 RDG 621 18421 5/1953 to MPA 86 to MPA 1500 RDG 622 18422 5/1953 to CR 5806 RDG 623 18423 5/1953 to CR 5813 to CR 5413 (GP8) sold for scrap to Pielet Bros. RDG 624 18424 5/1953 to CR 5814 sold for scrap to NIMX RDG 625 18740 10/1953 to CR 5817 traded-in to GE presumed scrapped RDG 626 18741 10/1953 to CR 5828 RDG 627 18742 10/1953 to CR 5829 RDG 628 18743 10/1953 to CR 5830 RDG 629 18744 10/1953 to CR 5831 RDG 630 18745 10/1953 to CR 5832 RDG 631 18746 10/1953 to CR 5833 RDG 632 18747 10/1953 to CR 5834 RDG 633 18748 10/1953 to CR 5835 to CR 5439 (GP8) RDG 634 18749 10/1953 to CR 5720 (GP8) to CR 5400 RDG 635 18750 10/1953 to CR 5837 RDG 636 18751 10/1953 to CR 5838 to CR 5462 (GP8) RDG 660 16683 6/1952 RDG 661 16684 6/1952 to ICG 61 to ICG 8722 (GP11) to QCR SG2 RDG 662 16685 6/1952 to CR 5839 RDG 663 16686 6/1952 RDG 664 16687 6/1952 to ICG 64 to ICG 7729 (GP8) RDG 665 16908 8/1952 to ICG 65 to ICG 7734 (GP8) RDG 666 16909 8/1952 to ICG 66 to ICG 7906 (GP8)