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temperature control solutions. Thermo King has been providing transport temperature control solutions for a variety of applica-
tions, including trailers, truck bodies, buses, air, shipboard containers and railway cars since 1938. For more information, visit
www.thermoking.com or www.tranetechnologies.com
©2020 Trane Technologies
TK 53320-2-IM Nov 2023
Installation Manual
Trailer Edition
HK 400 and HK 400 HO
Diesel Heating Unit
November 2023
Revision 4
TK-53320-2-IM
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