1 0 1990 Mack RD688S Salvage Truck Contact for price 1990 Mack RD688S, wired for Mack E6 engine., Engine Make: Mack, Engine Model: E6 ConditionUsedFits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)1990Stock Number200139 MLS Number13580797CategorySalvage Trucks Last Updated5/15/2025 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info