1.OHV ENGINE 2.CLOSE IN STRUCTURE AND CONVENIENT IN OPERATION 3.LOW SOUND, LESS OIL CONSUMPTION, LIGHT WEIGHT, LARGE DISCHARGE 1. ADOPT OHV ENGINE2. CLOSE IN STRUCTURE AND CONVENIENT IN OPERATION3. LOW SOUND, LESS OIL CONSUMPTION, LIGHT WEIGHT AND LARGE DISCHARGE4. NO NEEDED POWER SOURCE, SAFE USING.5. EASY TO OPERATION AND MOVE.MODELNDL30SUCTION/DISCHARGE PORT DIAMETER[MM(IN)]80(3")ASSEMBLY ...