EX420iQ is a heavy-duty Tokai Petrol engine.Tokai Petrol engine EX420iQ HD is lightweight with OHV design for increased efficiency power transfer.Tokai petrol engine EX420iQ HD delivers a 13 horse power with 3600 rpm of speed.The commonly used Tokai EX420iQ HD petrol engine are generators, forestry equipment, construction, industrial equipment, agriculture equipment, garden equipment and water pumps.