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.
Everyday Reliability. Graco GMAX Standard Series gas-powered airless paint sprayers deliver unmatched durability and performance, with the capability to handle the widest range of tip sizes, longer hose lengths and heavier coatings with ease.
- Endurance Chromex Piston Pump
- The most reliable pump
- Lasts 2X longer than the next leading brand
- Repack the pump in minutes with the new QuikPak Cartridge System
- QuikChange pump design allows you to swap the pump easily on the job
- Faster cleaning with the QuikAccess intake foot valve
- 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
- Precision Advantage Drive
- The longest lasting drive
- Hardened steel gears provide extremely quiet operation
- Lifetime Warranty
- Easy Out Pump Filter
- Easy maintenance & less clogging
- Exclusive inside-out filtering won't collapse to ensure a quality finish
- Vertical design for less mess
- Heavy-Duty Prime Valve
- Maintenance-free design withstands high-pressure dumping
- Durable Cart Design
- Rugged and easy-to-maneuver
- Thick chrome over steel and pneumatic wheels for tough jobsite conditions
- Retractable handle doubles as coiled hose storage
- 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
- Jobsite Ready
- Includes RAC X SwitchTip and 50 ft of BlueMax II hose
GMAX II 3900 Standard Series Gas Airless Sprayer, Hi-Boy
Operational Specifications
UPC Product 755652817017 Division CED Family Code FAMGHS Country of Origin US Unit of Measure EA Height 41 IN | 104.140 CM Length 36 IN | 91.440 CM Width 27 IN | 68.580 CM Volume 23.063 FT3 | 0.653 M3 Shipping Weight 148 LBS | 67.132 KG Technical Specifications
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 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 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) 22800 Power Rating (HP) 4 Power Rating (kW) 2.98 Maximum Working Pressure (MPa) 22.8 Pressure Control Type SmartControl 3.0 Overall Width (mm) 566 Model GMAX II Maximum Working Pressure (bar) 228 Overall Height (cm) 103.6 Overall Height (in) 40.8 Weight (kg) 48 Overall Height (mm) 1036 Overall Length (cm) 97.3 Overall Width (in) 22.3 Overall Length (in) 38.3 Series 3900 Overall Length (mm) 973 Overall Width (cm) 56.6 Outlet Paint Filter 60 Mesh Stainless Steel Screen Pump Mount Type QuikChange Pump Rod Type Chromex Number of Guns 2 Maximum Tip Size Gun 2 (in) 0.023 Recommended Annual Usage Up to 500 gallons per week Power Rating (cc) 120 Product Series Standard