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
GMAX II 3900 ProContractor Series Gas Airless Sprayer
Operational Specifications
UPC Product 755652817024 Division CED Family Code FAMGHS Country of Origin US Unit of Measure EA Height 40.5 IN | 102.870 CM Length 37 IN | 93.980 CM Width 27.5 IN | 69.850 CM Volume 23.848 FT3 | 0.675 M3 Shipping Weight 132 LBS | 59.874 KG Technical Specifications
Compatible Replacement Pump 17H823 Convertible Non-Convertible Engine Brand Honda Engine Size (HP) 4 Fluid Inlet Size (in) 1-5/16 Fluid Inlet Size (mm) 33.34 Fluid Outlet Size (mm) 6.35 Frame Configuration Hi-Boy Hose Inlet Diameter (cm) 0.635 Hose Inlet Diameter (in) 1/4 Hose Inlet Diameter (mm) 6.35 Hose Reel Type QuikReel Includes Contractor PC Gun, RAC X LP 517 Spray Tip, RAC X Guard, 1/4 in x 50 ft BlueMax II Airless Hose, TSL 4 oz Maximum Flow Rate (L/min) 4.73 Maximum Hose Length (ft) 100 Maximum Hose Length (m) 30 Maximum Sound Pressure Level (dB(A)) 96 Maximum Tip Size (in) 0.036 Maximum Tip Size Gun 1 (in) 0.036 Maximum Working Pressure (psi) 3300 Maximum Working Pressure (kPa) 22700 Power Rating (HP) 4 Power Rating (kW) 2.98 Maximum Working Pressure (MPa) 22.8 Pressure Control Type SmartControl 3.0 Overall Width (mm) 619.7600 Model GMAX II Maximum Working Pressure (bar) 227 Overall Height (cm) 97.3 Overall Height (in) 38.3 Weight (kg) 61 Overall Height (mm) 972.8200 Overall Length (cm) 82 Overall Width (in) 24.4 Overall Length (in) 32.3 Series 3900 Overall Length (mm) 820.42 Overall Width (cm) 56.6 Maximum Working Pressure (kg/cm²) 22.7 Fluid Hose Inside Diameter (in) 1/4 Outlet Paint Filter 60 Mesh Stainless Steel Screen Pump Mount Type ProConnect 2 Pump Rod Type MaxLife Number of Guns 1 Filter Mesh Size 60 Maximum Tip Size Gun 2 (in) 0.023 Recommended Annual Usage Up to 500 gallons per week Power Rating (cc) 120 Product Series ProContractor
























