1984 DRESSER 714 Hour Meter Reads: 4687; Overall Condition: Good; Unit Runs & Operates As It Should?: Yes; Why It Does Not Operate: Vibrator Switch Needs Replacing, Sprinkler And Horn Not Operational -- Seller Will Fix All 3. Light Switch And Start Button Missing. Starts With Turn Of Key.; Static; Smooth Drum; Double Drum; DRESSER Sn 44719630 Engine, 70 Hp, Diesel,