Atlas O 3001080S - 40' GATX Airslide Hopper "Monon" - Custom Run for MrMuffin'sTrains

Announced in April 2020; Released in May 2022. Four road numbers were made. These are all sold out.

Road Numbers: 45001, 45002, 45003, 45004

Temporary Sku: 30010Mon
Official Sku: 3001080S
If still available: SOLD OUT
Train Reference: