![](http://www.alamy.com/thumbs/6/1E54C8AF-C4C1-4AEA-B854-D3B2A9F9C832/ANBMY5.jpg)
Detail of an axle on a diesel train locomotive engine
Union Pacific locomotive wheel assembly as it sits on the railroad track.
Size: 5400px × 3538px
Photo credit: © digitalknight / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: axel, axle, chain, engine, heavy, heavy-duty, large, locomotive, massive, steel, track, train, tunnel, wheel