Description Producing 65% more performance than the GMAX 3400, the GMAX II 3900 has the power and flow to handle up to two guns and is ideal for the professional contractor who sprays a wide variety of coatings. Work Smarter, Finish More Jobs. Graco GMAX ProContractor Series gas-powered airless paint sprayers are designed to deliver speed & performance so you can get to the next jobsite faster and increase your profits. Endurance Vortex MaxLife Piston Pump Superior pump life Breakthrough vortex rotating rod technology Repack the pump in minutes with the new QuikPak Cartridge System Lasts 6X longer between repacks with innovative MaxLife technology Oversized passages for high velocity flow to rotate piston for even wear Repack pump in minutes with new QuikPak cartridge repair system ProConnect 2 Pump Replacement System Pump swaps in 1-minute or less – no tools, pins or parts to lose Eliminate costly downtime QuikReel Hose Management System Easy hose management Deploy and rewind up to 300 feet (90 meters) of hose in seconds No twisting, kinking, and coiling Use only the hose you need — the rest stays on the reel Crushproof Inlet Strainer Durable filtration Stands up to harsh impacts to maintain even flow through filter SmartControl 3.0 Consistent spray fan & pressure control Handles the widest range of coatings with the most consistent fan pattern Lowest dead band at any pressure WatchDog Pump Protection System Automatically prevents pump damage if material supply is too low Precision Advantage Drive The longest lasting drive Improved jobsite conditions with extremely quiet operation Lifetime Warranty Honda® Engine Reliable, powerful & easy-to-start Oil Alert shuts down engine to prevent damage if oil level drops too low Contractor Preferred Contractor PC Spray Gun All-day comfort & control Lightest weight gun in its class Up to 50% lighter trigger pull force E-Z Fit adjustable trigger length Complete gun rebuild in seconds with ProConnect cartridge Additional Features: Easy Out Pump Filter Heavy-Duty Prime Valve LED Display Rugged, Durable Cart Design
