Maximize the efficiency in your sprayer systems. This Hypro D403GRGI & Honda GX160 Engine Assembly contains durable, powerful components, and with a maximum pressure capacity of 580 PSI it is fabricated to handle medium-pressure spraying of many agricultural substances. With a 5.5. HP Honda commercial-grade engine, it's a champion at deploying liquid fertilizer, herbicide, pesticide and other agricultural solutions that require special care.