Home Hearth & Home Energy Wise BCS All Products Contact Earthquake Water Pumps Earthquake Lightweight Water Pumps with the Power You Need When you have to move water from one area to another, nothing beats the portability and power of an Earthquake water pump. Each model is designed to work quickly and efficiently. Key Features General Purpose Pump Cast iron impeller (WP6520 & WP6530) Silicone carbide mechanical seal Lightweight aluminum pump housing One year residential warranty 90-day commercial warranty Engine Viper 2-cycle 43cc (WP4310) Viper 4-cycle 196cc (WP6520 / WP 6530) Total Head 82 ft (WP4310 / WP6530) 85 ft (WP6520) Suction Lift 23 ft (WP4310) 26 ft (WP6520 / WP6530) Max Flow Volume 2300 GPH (WP4310) 9500 GPH (WP6520) 13000 GPH (WP6530) Inlet/Outlet Diameter 1" (WP4310) 2" (WP6520) 3" (WP6530) Net Weight 13 lbs (WP4310) 54 lbs (WP6520) 58 lbs (WP6530)