R688ST, Heavy Duty Trucks - Conventional Trucks w/o Sleeper, Mack , 9 Spd, 2,709 HOURS, NEW PAINT! CALL TODAY!, 350 Horse Power, Suspension, Wheels, Wheel Base, , Tandem Axle, Ratio, , Call 855-531-3309 to speak to sales for additional specs and information, or for Parts, Service or Trailer Rental information