Trucks: AAR Type A
Engine: 6-251B, 1,000 hp
Gear ratio: 74:18
Maximum speed: 40 mph
Operating weight: 247,050 lbs.
Tractive effort: 47,000 lbs.
Length: 46′ – 3 3/4″
| Road no. | Class | Former road no. | Renumber date | Remanufactured to | Remanufacture date | Retired | Notes / disposition |
| 300 | MY-10r | 8600 | 1985 | 8710 | |||
| 301 | MY-10r | 8601 | Dec 10 91 | ||||
| 302 | MY-10r | 8602 | Nov 21 90 | ||||
| 303 | MY-10r | 8603 | Aug 3 89 | ||||
| 304 | MY-10r | 8604? | Dec 10 91 | ||||
| 305 | MY-10r | 8615 | 1984 | ||||
| 306 | MY-10r | 8625 | May 16 90 | ||||
| 307 | MY-10r | 8605, 100 | 8702 | ||||
| 308 | MY-10r | 8606, 102 | Nov 21 90 | To Sidbec-Feruni (Contrecour, QC) for scrap, 1993 | |||
| 309 | MY-10r | 8614, 104 | Dec 10 90 | To Sidbec-Feruni (Contrecour, QC) for scrap, 1993 |