| No. | Model | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|
| 101 | RSD35 | D&SNGR (WP&Y) | Durango & Silverton Narrow Gauge Railroad, Durango, CO | operational | MLW, 05/1969 | |
| 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 | |
| 109 | RSD35 | WP&Y | White Pass & Yukon Railway, Skagway, AK | operational | MLW, 12/1971 |