View 0 Photos View 0 Videos 1981 Caterpillar 3306 Engine for a Caterpillar 977L $4,000 USD (USED) CAT 3306 Warranty: As-Is No Warranty Assembly#: 7N1544 Serial#: 3N98884 Horsepower: 190 ConditionUsedAssembly Number7N1544Fits To Make(s)CATFits To Model(s)977LStock Number25825297 MLS Number13799271CategoryEngines Last Updated2/19/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info