Browse Thermo King Tri Pac Auxiliary Power Units (APU) for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 7 listings. Thermo King Tri Pac Auxiliary Power Unit (APU) pricing ranges from $1,500 to $2,500 based on recent marketplace data. Filter by condition, price, or year to find the right Thermo King Tri Pac Auxiliary Power Unit (APU).