11 0 Allison HD4560 Transmission Core for a 2004 Mack MR688S Contact for price Good Core Allison HD4560 Transmission from a 2004 Mack MR688S truck. The Transmission Core has been visually inspected and is in good condition. The Transmission Core has rust. The... ConditionUsedEngine ModelMack E7Fits To Make(s)MackFits To Model(s)MR688SWill Fit Year(s)2004Part Number240674-2Stock Number240674-2 MLS Number13351717CategoryTransmission Cores Last Updated10/6/2025 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info