1999, MACK DM690S ROLL-OFF TRUCK, 35900 Canadian Dollars.MACK DM690S TRUCK: 1999 Mack DM690S Roll Off Truck. A/C, Cruise Control. Mack EM7-300 Engine, 300 HP. Jake Brake. Maxitorque T-2070 Tranmission. Tri Axle (Lift Axle). Camelback Suspension. Front Tires: 315/80R22.5 90%. Rear Tires: 315/80R22.5 80%. Budd Rims. G&H 60,000 lb Hoist. Inside/Outside Rails. Pioneer Automatic Tarper.