The Graco GMAX II 5900 HD 3-in-1 ProContractor Sprayer (17E840) is a professional-grade, gas-powered airless spraying system engineered for drywall finishing, texture application, and high-production painting projects. Powered by a 6.5 HP Honda GX engine, this versatile sprayer delivers up to 1.6 GPM at 3,300 PSI and supports spray tips up to 0.043 inches. Its Endurance Vortex MaxLife piston pump provides extended wear life, while MaxFlo 2 with Vibra-Seal technology helps reduce material buildup when spraying heavy coatings. SmartControl 3.0 maintains consistent spray pressure, and the ProContractor configuration adds QuikReel hose management, ProConnect 2 pump replacement, WatchDog pump protection, and an integrated LED display to improve jobsite efficiency. Equipped with a heavy-duty Hi-Boy cart, Heavy-Duty Blue Texture Gun, RAC X spray tips, and BlueMax II hose, the GMAX II 5900 HD ProContractor is ideal for drywall mud, Level 5 skim coats, texture finishes, primers, paints, and compatible high-build coatings. Available from NMR, your authorized Graco dealer and service center for professional spray equipment, parts, repairs, and technical support.