High-quality material greatly increases the service life, Industry engineering process designed for powerful cleaning job, longest real 140 hours endurance test than similar residential pump? Fit Most 3/4 Shaft Horizontal Pressure Washer Engines Honda, B&S, Homelite, Waspper, Simpson, Troy-Bilt, Generac, Karcher, etc?Pre-fill gear oil for lifetime and no need to change oil. Improved 3200 PSI X 2.5 GPM performance make your cleaning job more powerful for multiple work, like house, fences, sidewalks, vehicles, pool etc. In terms of any problem of this high pressure washer pump, you can send emails to us at any time. We will be the first time to reply you.