Part 2, Union Pacific 4014 Big Boy Test Run 2024 Without a Diesel
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- Опубліковано 20 сер 2024
- Chasing Union Pacific Big Boy 4014 on its way back to the shop. At the end of the day it went a bit east of the shop to MP 506 on the to test the PTC again. No diesel helper on this consist. Plenty of other cars to use for dynamic braking.