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
- Kohler® Command Pro Engine
- Heavy-duty air cleaner, forged steel crankshaft and cast-iron cylinder liner deliver contractor-grade power and reliability
- Quad-Clean™ all-season four-stage cyclonic air filter protects engine in tough jobsite conditions
- Oil-Sentry™ system automatically shuts engine down in low-oil conditions
- 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, Kohler
Operational Specifications
UPC Product 769946239164 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
Engine Brand Kohler 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 Model GMAX II Series 3900 Product Series Standard























