leading axle
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Leading wheel — The leading wheel or leading axle of a steam locomotive is an unpowered wheel or axle located in front of the driving wheels. The axle or axles of the leading wheels are normally located in a truck (or bogie ). Leading wheels are used to help the … Wikipedia
Axle — Ax le ([a^]ks l), n. [OE. axel, exel, shoulder, AS. eaxl; akin to AS. eax axle, Sw. & Dan. axel shoulder, axle, G. achse axle, achsel shoulder, L. axis axle, Gr. a xwn, Skr. aksha, L. axilla shoulder joint: cf. F. essieu, axle, OF. aissel, fr.… … The Collaborative International Dictionary of English
Axle — For other uses, see Axle (disambiguation). Not to be confused with Axl (disambiguation) or Axel (disambiguation). Train wheels are affixed to a straight axle, such that both wheels rotate in unison. This is called a wheelset. An axle is a… … Wikipedia
Axle counter — An axle counter is a device on a railway that detects the passing of a train in lieu of the more common track circuit. A counting head (or detection point ) is installed at each end of the section, and as each axle passes a head at the start of… … Wikipedia
leading link — A suspension link that is aligned to resist longitudinal motions in a wheel; it is mounted to the chassis behind the wheel. The axle is mounted at the front end of two short links that pivot at the bottom of solid forks, The link s are sprung to… … Dictionary of automotive terms
UIC classification — The UIC classification [cite web |url=http://www.uic.asso.fr/download.php/codex/e650 5ed 198301 7p.pdf |title=Standard designation of axle arrangement on locomotives and multiple unit sets] is a comprehensive system for describing the wheel… … Wikipedia
DRB Class 50 — Number(s): 50 001–50 3171 with gaps Quantity: 3164 Year(s) of manufacture: 1939–1959 Retired … Wikipedia
Prussian T 9 — The Prussian T 9 was a class of German steam locomotive which included several types of tank engine, all with six coupled wheels and two carrying wheels operated by the Prussian state railways. Contents 1 T 9.1 2 T 9 Elberfeld variant 3 T 9… … Wikipedia
2-6-0 — In the Whyte notation for the classification of steam locomotives by wheel arrangement, a 2 6 0 has a pair of leading wheels followed by six driving wheels. This arrangement is commonly called a Mogul. [White (1968), p 62 65.] This type of… … Wikipedia
2-8-4 — In the Whyte notation, a 2 8 4 is a railroad steam locomotive that has one unpowered leading axle followed by four powered driving axles and two unpowered trailing axles. This locomotive type is most often referred to as a Berkshire, though the… … Wikipedia
