Athearn 40140 N Scale 4-8-8-4 Big Boy Union Pacific UP 4014 Promitory Vehicle Make_Volkswagen Wheelbase: 9

Wheelbase: 9

a chiseled front-end

Non-magnetic axle

and improved durability

Athearn 40140 N Scale 4-8-8-4 Big Boy Union Pacific UP 4014 Promitory Vehicle Make_Volkswagen Wheelbase: 9Athearn 40140 N Scale 4 8 8 4 Big Boy Union Pacific UP 4014 Promitory The Union Pacifics Overland Route, the eastern portion of the Transcontinental Railroad, was built west from Omaha, across Nebraska and Wyoming, and on into Utah. The steepest grade was the eastbound climb on the Echo Canyon line through the Wahsatch Mountains just east of Ogden, Utah. Forty 4 6 6 4 Challenger locomotives were acquired in 1936 and 1937 to move fast freight over the