ATHEARN is a popular US model railroad manufacturer. Irv Athearn began his life-long affair with model railroading in 1938, when he filled his mother’s house with an elaborate O-scale layout that he was constantly modifying. Today ATHEARN offer high-quality products at reasonable prices.


to ATHEARN USA - website (external link)
ATHEARN-new models in german (internal link)

Instruction Manual 4-6-6-4 Challenger (H0) in german