47 0 1990 Mack RB688S Dump Truck Price Drop $17,500 USD 1990 Mack RB688S Triaxle Dump Truck- 350 HP Mack E7-350 Diesel, Mack 12-Spd Manual Trans, 88,213 Mile on Meter, Heat A/C, Pintle Hitch, Air Hookup, GVWR- 80K, 20K Front, 46K Rears, 227"... ConditionUsedStock NumberRWV0DHDx124339 MLS Number13712760CategoryDump Trucks Last Updated10/3/2025 LocationAvenel, NJ, US Sold ByProxy Equipment (844) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info