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
- More info: graco.com/ContractorPC
- Additional Features:
- Easy Out Pump Filter
- Heavy-Duty Prime Valve
- LED Display
- Rugged, Durable Cart Design
