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
- 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
LED Display
- Easy-to-read display provides quick reference to show:
- Pressure read-out
- Job/lifetime/gallon counter
- Self-diagnostics
SmartControl™ 3.0
- Consistent spray fan & pressure control
- Ideal for low overspray applications with the lowest dead band at any pressure
- WatchDog Pump Protection System automatically prevents pump damage if material supply is too low
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 no-tools gun rebuild in seconds with ProConnect cartridge
ProConnect 2 Pump Replacement System
- Eliminate costly downtime
- Exchange pump in minutes
- Pin-less design needs no tools
QuikReel Hose Management System
- Easy hose management
- Deploy and rewind up to 300 feet 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
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
Additional Features
- Easy Out Filter Manifold
- Heavy Duty Prime Valve
- Rugged, Durable Cart Design
Unit ships complete with:
- SmartControl™ 3.0
- WatchDog™
- Vortex ProConnect 2™
- QuikReel™
- gun with HandTite™ RAC X™ guard and tip
- BlueMax™ II hose
- TSL™ 0.25 litre
- 197193 universal hammer too
- 111733 adjustable wrench and blue tool box
