You can see a complete listing of Harmon Tank Trailers for sale and auction by clicking here.
| Auction Date | Model Name | Converted Price | Details |
|---|---|---|---|
| Nov 2025 | 2007 Harmon 1N21S1 | $2,000 USD | Full listing |
| Sep 2025 | 2006 Harmon 1N21S1 | $3,500 USD | Full listing |
| Jun 2025 | 1996 Harmon 1N21S1 | $1,200 USD | Full listing |
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