Power Post Driver with powerful 1.3HP* Honda GX35 engine, EPA/CARB approved. 4-stroke, overhead camshaft, single cylinder engine type. Recoil, manual starting system. 0.172 gallon engine fuel capacity. 0.11 quart engine oil capacity**. 3,100 +/- 200rpm speed. 23″L x 13″W x 14″D. Drives posts in seconds. Lightweight – only 35 pounds including fuel. 4-stroke overhead camshaft, single cylinder. Thumb on/off switch and power trigger control.