| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Notes |
| 17 | | 2-8-0 | 4'-8½" | CO&E | Boone & Scenic Valley Railroad, Boone, IA | display |  |
| 8419 | JS | 2-8-2 | 4'-8½" | B&SV(China) | Boone & Scenic Valley Railroad, Boone, IA | operational | Named Iowan |
| 3003 | S-4 | 4-6-4 | 4'-8½" | CB&Q | park, Burlington, IA | display |  |
| 915 (44) | K-4 | 4-6-0 | 4'-8½" | CB&Q (B&MR) | Rock Island Depot Museum, Main & 16th, Council Bluffs, IA | display |  |
| 814 | FEF-1 | 4-8-4 | 4'-8½" | UP | Rock Island Depot Museum, Main & 16th, Council Bluffs, IA | display |  |
| | 0-4-0T | 600mm | Hibernia Ag | Halvorsen Estate, Cresco, IA | display |  |
| 4 | | 0-4-0 | 4'-8½" | IN Northern | Ft. Madison Farmington & Western, Donnellson, IA | restoration |  |
| 2913 | 2900 | 4-8-4 | 4'-8½" | AT&SF | Riverview Park, Ft. Madison, IA | cosmetic restoration | contact info |
| 8300 | P-5-a | 0-8-0 | 4'-8½" | GTW | Buchanan County Visitors Center, Independence, IA | display | from Galt, IL,  |
| | 0-4-0 | 4'-8½" | Orenstein & Koppel | barn, Madison, IA | stored | |
| | 0-4-0T | ng | Hibernia Ag | Charles Davies, Marquette, IA | display |  |
| 1 | | 2-6-0 | 4'-8½" | V&T | private, Mason City, IA | under construction | Named Lyon, replica,  |
| 457 | H5-42 | 2-8-0 | 4'-8½" | M&StL | East Park, Mason City, IA | display | , Friends of the 457 |
| 9 | | Shay3Tr | 36" | WSL | Midwest Central Railroad, Mt Pleasant, IA | operational |  |
| 16 | | 0-4-0T | 36" | Erzbergbau Salzgitter | Midwest Central Railroad, Mt Pleasant, IA | operational |  |
| 2 | | 2-6-0 | 36" | Argent Lumber | Midwest Central Railroad, Mt Pleasant, IA | restoration |  |
| 6 | | 2-6-0 | 36" | Argent Lumber (SS&S) | Midwest Central Railroad, Mt Pleasant, IA | operational |  |
| 1 | | 2-8-0 | 36" | FCyZ | Midwest Central Railroad, McMillan Park, S Locust St, Mt Pleasant, IA | restoration |  |
| | 0-4-0WT | 600mm | R. Dolberg | Dale V., Oelwein, IA | private |  |
| | 0-4-0WT | 600mm | Hoch & Tiefbau | Dale V., Oelwein, IA | private |  |
| 3001 | S-4 | 4-6-4 | 4'-8½" | CB&Q | Ballingall Park, Ottumwa, IA | display |  |
| 1355 | H-5 | 4-6-2 | 4'-8½" | GN | Milwaukee Railroad Shops, Sioux City, IA | display | Built as an E14 10-wheeler, rebuilt into a Pacific in 1924.  |