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

Accucraft 1203 Narrow Gauge Whale Back Tender for SP 9
Accucraft 1203 Narrow Gauge Whale Back Tender for SP 9
$450.00 (1 Bid)
Time Remaining: 4d 22h 44m

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Accucraft 1203 Narrow Gauge Whale Back Tender for SP 9