| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 242 | 2-4-2 | 24" | C&O | Hesston Steam Museum, Hesston, IN | operational | Sandley (Janesville), 1972 | From the Brookfield Zoo, Chicago, IL. Not really a C&O locomotive. | |
| 17 | 2-4-4T | 24" | R&GN | Little A-Merrick-A Amusement Park, Marshall, WI | stored | Sandley (Janesville), 1970 | From Wisconsin Dells. Last Sandley locomotive. It was incomplete when Sandley went out of business. Was listed for sale in 2006. Current location is unclear. | |
| 1 | 0-4-0VB | 15" | R&GN | Riverside & Great Northern RY, Wisconsin Dells, WI | operational | Sandley (Janesville), 1947 | Named Tom Thumb, vertical boiler. | |
| 82 | 4-4-0 | 15" | R&GN | Riverside & Great Northern RY, Wisconsin Dells, WI | operational | Sandley (Janesville), 1957 | Named L W Neiman. From the Milwaukee County Zoo. Received a new boiler. | |
| 128 | D | 4-4-2 | 15" | R&GN (C&NW) | Riverside & Great Northern RY, Wisconsin Dells, WI | operational | Sandley (Janesville), 1948 | From the Knoxville Zoo. Acquired by the R&GN in 1990. Restoration began in 2019 and completed in 2026. |
| 1916 | D | 4-4-2 | 15" | R&GN | Riverside & Great Northern RY, Wisconsin Dells, WI | operational | Sandley (Janesville), 1961 | Named Harry J. Grant. From the Milwaukee County Zoo. |
| 1924 | 4-6-2 | 15" | Riverside & Great Northern RY, Wisconsin Dells, WI | operational | Sandley (Janesville), 1977 | From the Milwaukee County Zoo. |