DESCRIPTION 2006 Mack CHN613 Truck (DR11728), Mack 427 diesel engine, 10 speed transmission, tandem axle full screw, air ride suspension, 185'' WB, 4:11 rears, day cab, 5th wheel plate, stainless steel half fenders, dual aluminum fuel tanks, cab heat/air conditioning, air dump valve, cruise control, 22.5 tires, aluminum wheels, reads 664,539 miles, 20,295 hours. Serial Number: 1M1AJ06Y26N003489 Notes: Good solid and reliable truck from local gravel company.