Thornado 1.5" Petrol PumpHaving used these pumps before, we have found that the quality, performance and price of these units makes it a very good choice as a entry level pump. These pumps use a 4 stroke motor and runs on straight 95 98 Unleaded Fuel. These pumps are a low pressure pump running max 22psi but supply more than enough water needed to run our Trommels. Follow the link below to go to Thornado's web page with all the specs and to order your pump.