1977 MACK DM Quad Axle Dump Truck Miami, FL Detailed Listing: http://www.rockanddirt.com/trucks-for-sale/MACK/DM/invnum=9965979 (USED) Mack DM Dump Truck Motor: 676 Transmission: 2 Stick Rears: Mack 58,000LBS Camel Back Lift Axle: Air up air Down Frame: Double Chassis The truck...