A wheel on a railway locomotive or other vehicle that is not given direct motive power.
- So we may have a 4-6 - 2, with four leading wheels, six coupled wheels, and two trailing wheels.
- A single trailing wheel not only becomes obstructed less, but can also be tilted out of a pothole.
- When the trailing wheel negotiates the rise the load sharing again maintains equal loading on both wheels.
For editors and proofreaders
Line breaks: trail|ing wheel
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