-- Specifications & Features -- Year: 1991. Make: Mack. Model: 600 DM600. VIN: 1M2B209C7MM008431. Engine: Mack. Meter Reads: 158,757. Horsepower: 355. Transmission: Maxitorque. GVWR: 33,001. Front Tire Size: 425/65R22.5. Rear Tire Size: 11R22.5. Suspension: spring. -- Seller Statement -- 18’ Galbreath Rolloff frame, hyd. Powered tarp, needs new battery. Runs and operates!