View 4 Photos View 0 Videos 1990 Mack RD688S Salvage Truck Recently Updated Contact for price PART'S, Engine Make: Mack, Engine Model: E7-400 ConditionUsedEngine ModelMack E7-400Fits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)1990Stock Number008579 MLS Number11595282CategorySalvage Trucks Last Updated6/13/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info