In Whyte notation, a 2-4-4, or Boston-type, is a steam locomotive with two unpowered leading wheels followed by four powered driving wheels and four unpowered trailing wheels.
In Whyte notation, a 2-4-4, or Boston-type, is a steam locomotive with two unpowered leading wheels followed by four powered driving wheels and four unpowered trailing wheels. (en)
122 en Europe est un type de locomotive à vapeur dont les essieux ont la configuration suivante (de l'avant vers l'arrière) :
* 1 essieu porteur
* 2 essieux moteur
* 2 essieux porteur (fr)
In Whyte notation, a 2-4-4, or Boston-type, is a steam locomotive with two unpowered leading wheels followed by four powered driving wheels and four unpowered trailing wheels. (en)
122 en Europe est un type de locomotive à vapeur dont les essieux ont la configuration suivante (de l'avant vers l'arrière) :
* 1 essieu porteur
* 2 essieux moteur
* 2 essieux porteur (fr)