We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for 'Switcher'.

Other On30 Scale train items recently purchased through this site:

On30 Logging Steam Locomotive Switcher TSU DCC Sound custom weathered
On30 Steam Locomotive Switcher + Car TSU DCC Sound custom weathered
On30 Steam Logging Locomotive Switcher + Car TSU DCC Sound custom weathered