Upgrade MTH 20-3021-1 UP Big Boy
This 1997 Big Boy was my first "big steam" and inspired me to knock out basement walls for my current Run Room. It was also my first PS2 Upgrade done in September of 2004.
Existing Upgrade Photos
Tender Upgrade Completed
The kit components placement and wire management are easier in a large tender. Both tender and water tender lights light for Backup. Wire management is critical to prevent shorts that destroy electronics.
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Boiler and Tender on Test Track
The boiler and tender have all kit components installed and are tested before wire management.
