View 8 Photos View 0 Videos Caterpillar 3406E Engine $17,500 USD Remanufactured Caterpillar 3406E base long block assembly. Built to 550HP. 5EK Serial Number Prefix Application. LONG BLOCK INCLUDES, Block, Head, Rods, Crankshaft gear and Piston... ConditionRemanufacturedStock Number1067695 MLS Number14571437CategoryEngines Last Updated8/28/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info