Features
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