Editing 4-6-0 (section)

{{Short description|Railway steam locomotive wheel arrangement}}
{{redirect|Ten-wheeler|the vehicle that provides motive power for semi-trucks|Tractor unit}}
{{Infobox steam wheel arrangement
| name             = 4-6-0 (ten-wheeler)
| image            = WheelArrangement 4-6-0.svg
| alt              = Diagram of two small leading wheels, and three large driving wheels joined together with a coupling rod
| caption          = Front of locomotive at left
| image2           = P8 Kranichstein.jpg
| alt2             = 
| caption2         = [[Prussian P 8]], the most numerous 2'C {{nowrap|4-6-0}} in the world
<!--Equivalent classifications-->
| hatnote          = 
| UIC/Germany/Italy= 2'C
| French/Spanish   = 230
| Turkish          = 35
| Swiss            = 3/5
| Russian          = 2-3-0
<!--First known tank engine version-->
| date             = 1880
| country          = [[Colony of Natal]]
| locomotive       = [[South African Class C 4-6-0T|NGR Class G]]
| railway          = [[Natal Government Railways]]
| designer         = [[Kitson and Company]]
| builder          = Kitson and Company
| evolvedfrom      = [[2-6-0|2-6-0T]]
| evolvedto        = 
| mainbenefit      = 
| maindrawback     = 
<!--First known tender engine version-->
| date2            = 1847
| country2         = United States 
| locomotive2      = ''Chesapeake''
| railway2         = [[Reading Company|Philadelphia and Reading Railroad]]
| designer2        = [[Septimus Norris]]
| builder2         = [[Norris Locomotive Works]]
| evolvedfrom2     =  [[4-4-0]]
| evolvedto2       = [[4-6-2]] and [[2-8-0]]
| mainbenefit2     = Larger and more powerful than the [[4-4-0]]
| maindrawback2    = Small firebox
<!--First known "True type" version-->
| date3            = 
| country3         = 
| locomotive3      = 
| railway3         = 
| designer3        = 
| builder3         = 
| evolvedfrom3     = 
| evolvedto3       = 
| mainbenefit3     = 
| maindrawback3    = 
}}

A '''4-6-0 steam locomotive''', under the [[Whyte notation]] for the classification of [[steam locomotive]]s by [[wheel arrangement]], has four [[leading wheel]]s on two axles in a leading [[bogie]] and six powered and coupled [[driving wheel]]s on three axles with the absence of [[trailing wheel]]s.

In the mid-19th century, this wheel arrangement became the second-most-popular configuration for new steam locomotives in the United States, where this type is commonly referred to as a '''ten-wheeler'''.<ref name="White">White, John H., Jr. (1968). ''A history of the American locomotive; its development: 1830-1880''. New York, NY: Dover Publications. p. 57. {{ISBN|0-486-23818-0}}</ref> As locomotives pulling trains of lightweight all-wood passenger cars from the 1890 to the 1920s, they were exceptionally stable at near {{cvt|100|mph}} speeds on the [[New York Central Railroad|New York Central]]'s New York-to-Chicago Water Level Route and on the [[Reading Company|Reading Railroad]]'s line from Camden to Atlantic City, New Jersey. 
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