Leading wheel

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

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

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References in periodicals archive ?

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

Tread Profile of Wheel Pair Support Unit

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.

Perfect Equipment Inc. Updates 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.

The influence of wheel/rail contact conditions on the microstructure and hardness of railway wheels

Leading wheel manufacturer Alcoa has developed an alloy wheel that makes ingrained dirt a thing of the past.

MOTORING: A clean start to the business of smart wheels

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.

Joint force to serve structural steel needs

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).