Leading wheel

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a wheel situated before the driving wheels of a locomotive engine.

See also: Leading

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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2, with working name "wheel unit" consists of leading wheel 1 and supporting wheel 2, which rotate independently of one another on wheel set axle
Murfreesboro, TN, January 08, 2014 --(PR.com)-- Perfect Equipment Inc., a leading wheel balance weight company in North America and founder of the Perfect Equipment wheel weight brand, has updated its operating name to WEGMANN automotive USA Inc.
This portion of the leading wheel contacts the outer rail on moderate curves; there can be 2-point contact in regions B and C on sharp curves.
Leading wheel manufacturer Alcoa has developed an alloy wheel that makes ingrained dirt a thing of the past.
In line with its commitment to offer a comprehensive service to the construction structural steel industry, leading wheel blast cleaning equipment specialists, ISPC Schlick, has entered into a joint sales agreement with FICEP UK Ltd.
where [y.sub.1] [y.sub.2] are the lateral displacements of wheelsets; [i.sup.*] = 2i - 3 ( for the leading wheel set i=1 and for the trailing one i=2).