roadwheel

road +‎ wheel

The wheels on a tracked vehicle. The roadwheels are marked (5).

roadwheel (plural roadwheels)

1. A wheel that supports the weight of a vehicle, especially one with caterpillar tracks.
   • year unknown, Robert E. Peavey, Praying for Slack: A Marine Corps Tank Commander in Viet Nam →ISBN, page 226

     Right below me, passing us by, was a set of wheels that looked exactly like the roadwheels off a tank.

   • 1989, Operator's Manual for Combat Vehicle, Anti-tank, Improved Tow Vehicle, M901, NSN 2350-01-045-1123, page 119:

     Check roadwheels and idler wheels for excessive heat, worn mounting holes, and separation of rubber from metal.

   • 2004, Michael Blundell, Damian Harty, The Multibody Systems Approach to Vehicle Dynamics, page 493:

     Handwheel is the preferred term for what is popularly called the steering wheel. The reason for this distinction is that a typical car has three steering wheels - two are roadwheels and the other is a handwheel.

   • 2008, J. Y. Wong, Theory of Ground Vehicles, John Wiley & Sons, →ISBN, page 167:

     Consequently, track segments between roadwheels cannot support much load and vehicle weight is primarily supported by the track segments (links) immediately under the roadwheels.

• rowel-head