0 0 Mack E7-350 Engine for a 1997 Mack RD688S Contact for price MISSING MECHANICAL PUMP, NO JAKES, RR SUMP, Serial#: 6MO593, Horse Power: 350HP, Casting#: 6MO593 ConditionUsedHorse Power350 HPFits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)1997Stock Number1515-MACK-3 MLS Number13338786CategoryEngines Last Updated3/7/2025 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info