| No. | Model | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|
| 1801 (3127) | RS-18 | Depew, Lancaster & Western (CNR) | Depew, Lancaster & Western Railroad, Batavia, NY | operational | MLW, 10/1959 | |
| 101 | RSD35 | D&SNGR (WP&Y) | Durango & Silverton Narrow Gauge Railroad, Durango, CO | operational | MLW, 05/1969 | |
| 107 | RSD39 | D&SNGR (WP&Y) | Durango & Silverton Narrow Gauge Railroad, Durango, CO | operational | MLW, 05/1969 | |
| 80 (8031) | RS-23 | Minnesota Commercial (CP) | Minnesota Commercial, Fridley, MN | operational | MLW, 09/1959 | |
| 1847 (8752) | RS-18 | Buffalo Southern (CP) | Buffalo Southern, Hamburg, NY | operational | MLW, 03/1958 | |
| 3051 (8181) | S4 | Cooperstown & Charlette Valley (CNR) | Cooperstown and Charlotte Valley Railroad, Milford, NY | operational | MLW, 10/1956 | |
| 8223 (3052) | S7 | CNR (Cooperstown & Charlette Valley) | Cooperstown and Charlotte Valley Railroad, Milford, NY | operational | MLW, 11/1957 | |
| 6789 | FPA-4 | CNR | Monticello Railway Museum, Monticello, IL | operational | MLW, 04/1959 | |
| 6862 | FPB-4 | CNR | Monticello Railway Museum, Monticello, IL | operational | MLW, 1958 | |
| 72 (6787) | FPA-4 | Napa Valley (CNR) | Napa Valley Wine Train, Napa, CA | operational | MLW, 04/1959 | |
| 70 (6760) | FPA-4 | Napa Valley (CNR) | Napa Valley Wine Train, Napa, CA | operational | MLW, 10/1958 | |
| 73 (6790) | FPA-4 | Napa Valley (CNR) | Napa Valley Wine Train, Napa, CA | operational | MLW, 04/1959 | |
| 109 | RSD35 | WP&Y | White Pass & Yukon Railway, Skagway, AK | operational | MLW, 12/1971 | |
| 108 | RSD35 | WP&Y | White Pass & Yukon Railway, Skagway, AK | operational | MLW, 12/1971 | |
| 110 | RSD35 | WP&Y | White Pass & Yukon Railway, Skagway, AK | operational | MLW, 12/1971 | |
| 103 | RSD39 | WP&Y | White Pass & Yukon Railway, Skagway, AK | operational | MLW, 05/1969 | |
| 106 | RSD39 | WP&Y | White Pass & Yukon Railway, Skagway, AK | operational | MLW, 05/1969 | |
| 104 | RSD39 | WP&Y | White Pass & Yukon Railway, Skagway, AK | operational | MLW, 05/1969 | |
| 1800 (208-2) | RS-18 | Ohio Central (INCO) | Age of Steam Roundhouse, Sugarcreek, OH | operational | MLW, 04/1958 | Restored to operation in 2024. |
| 800 (6780) | FPA-4 | B&O (CNR) | Cuyahoga Valley Scenic, Valley View, OH | operational | MLW, 03/1959 |