The BIG Challengers of The Northern Pacific... Take a look at NP's Z-Class Challengers. From the Pentrex show "Great Northern Railway Combo: Parts 1 2 & 3" https://rfd.video/GNCombo | Steam Giants
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The BIG Challengers of The Northern Pacific... Take a look at N…
22.4K viewsMar 31, 2022
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Most of us know this, but the 4-6-6-4 "Challenger" type locomotive made famous by the UP 3985 is not exclusive to the Union Pacific. In fact the Northern Pacific had 47 of them, designated as Z6s, Z7s & Z8s built by ALCO between 1936 and 1944. From the Green Frog Productions show "Steam on the Northern Pacific" https://rfd.video/SteamNP | Steam Giants
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Most of us know this, but the 4-6-6-4 "Challenger" type locomotive mad…
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