Lionel 2331280 O Scale Vision Line 4-8-8-4 Big Boy Steam Loco Union Pacific UP 4021 (Silver/Gray Scheme) Transformers tall windows and clear window

tall windows and clear window glazing

drive pack voltage and more data in real-time

and a two-point link suspension with Koni coil over shocks

20x M4 x 20mm long threaded shaft (set screws)

Lionel 2331280 O Scale Vision Line 4-8-8-4 Big Boy Steam Loco Union Pacific UP 4021 (Silver/Gray Scheme) Transformers tall windows and clear windowLionel 2331280 O Scale Vision Line 4 8 8 4 Big Boy Steam Loco Union Pacific UP 4021 (Silver Gray Scheme) Big Boy the locomotive needs no further introduction. Union Pacific's twenty five 4 8 8 4s have been turning heads and leaving lasting impressions since the day they first rolled out of the erecting shop. For all that has been said of their size, the Big Boys were just as impressive for their performance. Today, 4014 is the pride of the railroad