0 0 2022 Cummins B6.7 Engine for a Mack MD6 $11,775 USD (USED) Cummins B6.7 Warranty: 180 Day Parts Only Assembly#: 5467 Serial#: 74801007 Horsepower: 300 ConditionUsedAssembly Number5467Fits To Make(s)MackFits To Model(s)MD6Stock Number25808855 MLS Number13733637CategoryEngines Last Updated10/11/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info