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.
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Product Brochure
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
Specifications & Documents
Technical Specifications
Convert to MetricConstruction | Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc-Plated Carbon Steel, Nickel-Plated Carbon Steel |
---|---|
Convertible | Non-Convertible |
Engine Brand | Honda |
Engine Size (HP) | 4 |
Features | Endurance Chromex Pump, SmartControl 3.0, Honda Engine, Advantage Drive, Easy Out Filter, Heavy-Duty Prime Valve, Contractor PC Gun |
Fluid Inlet Size (in) | 1-5/16 |
Fluid Inlet Thread Type | UN-2A |
Fluid Outlet Size (in) | 1/4 |
Fluid Outlet Thread Type | NPSM |
Frame Configuration | Hi-Boy |
Hose Inlet Diameter (in) | 1/4 |
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 |
Inlet Paint Strainer | 8 Mesh Stainless Steel Screen |
Maximum Flow Rate (GPM) | 1.25 |
Maximum Sound Pressure Level (dB(A)) | 96 |
Maximum Tip Size (in) | 0.036 |
Maximum Tip Size 1 Gun (in) | 0.036 |
Maximum Tip Size 2 Guns (in) | 0.023 |
Maximum Working Pressure (MPa) | 22.8 |
Maximum Working Pressure (psi) | 3300 |
Model | GMAX II |
Number of Guns | 2 |
Outlet Paint Filter | 60 Mesh Stainless Steel Screen |
Overall Height (in) | 40.8 |
Overall Length (in) | 38.3 |
Overall Width (in) | 22.3 |
Power Rating (HP) | 4.0 |
Power Rating (W) | 2983 |
Power Rating (kW) | 2.98 |
Power Source | Gas |
Pressure Control Type | SmartControl 3.0 |
Product Series | Standard |
Pump Mount Type | QuikChange |
Pump Rod Type | Chromex |
Pump Sleeve Material | Stainless Steel |
Pump Type | Endurance |
Recommended Annual Usage | Up to 500 gallons per week |
Series | 3900 |
Type | Airless Sprayer |
Weight (lb) | 106 |
Construction | Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc-Plated Carbon Steel, Nickel-Plated Carbon Steel |
Convertible | Non-Convertible |
Engine Brand | Honda |
Features | Endurance Chromex Pump, SmartControl 3.0, Honda Engine, Advantage Drive, Easy Out Filter, Heavy-Duty Prime Valve, Contractor PC Gun |
Fluid Inlet Size (in) | 1-5/16 |
Fluid Inlet Size (mm) | 33.34 |
Fluid Inlet Thread Type | UN-2A |
Fluid Outlet Size (in) | 1/4 |
Fluid Outlet Size (mm) | 6.35 |
Fluid Outlet Thread Type | NPSM |
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 |
Inlet Paint Strainer | 8 Mesh Stainless Steel Screen |
Maximum Flow Rate (L/min) | 4.73 |
Maximum Sound Pressure Level (dB(A)) | 96 |
Maximum Tip Size (in) | 0.036 |
Maximum Tip Size 1 Gun (in) | 0.036 |
Maximum Tip Size 2 Guns (in) | 0.023 |
Maximum Working Pressure (MPa) | 22.8 |
Maximum Working Pressure (bar) | 228 |
Maximum Working Pressure (kPa) | 22800 |
Maximum Working Pressure (psi) | 3300 |
Model | GMAX II |
Number of Guns | 2 |
Outlet Paint Filter | 60 Mesh Stainless Steel Screen |
Overall Height (cm) | 103.6 |
Overall Height (mm) | 1036 |
Overall Length (cm) | 97.3 |
Overall Length (mm) | 973 |
Overall Width (cm) | 56.6 |
Overall Width (mm) | 566 |
Power Rating (W) | 2983 |
Power Rating (cc) | 120 |
Power Rating (kW) | 2.98 |
Power Source | Gas |
Pressure Control Type | SmartControl 3.0 |
Product Series | Standard |
Pump Mount Type | QuikChange |
Pump Rod Type | Chromex |
Pump Sleeve Material | Stainless Steel |
Pump Type | Endurance |
Recommended Annual Usage | Up to 500 gallons per week |
Series | 3900 |
Type | Airless Sprayer |
Weight (kg) | 48 |
Product Manuals
Warranty
Sales Literature
Certifications
MSD201EN, Loctite 567 Low Strength Thread Sealant, Safety Data Sheet, English
(141 KB)
(English Only)
What's Included
Part No. | Description | Qty | Unit |
---|---|---|---|
246215 | RAC X HandTite Tip Guard | 1 | ea |
240794 | BlueMax II Airless Hose, 1/4 in x 50 ft | 1 | ea |
238049 | TSL Throat Seal Liquid, 4 oz | 1 | ea |
17Y043 | Contractor PC Airless Spray Gun with RAC X LP 517 SwitchTip | 1 | ea |
LP517 | Low Pressure RAC X LP SwitchTip, 517 | 1 | ea |
Repair Parts
Part No. | Description |
---|---|
244068 | Easy Out Pump Manifold Filter, Long, 100 mesh |
244069 | Easy Out Pump Manifold Filter, Long, 200 mesh |
244071 | Easy Out Pump Manifold Filter, Long, 30 mesh |
244067 | Easy Out Pump Manifold Filter, Long, 60 mesh |
24U917 | HOSE,SUCTION, 30 / 50 GALLON |
17A095 | KIT, REPAIR, CONTROL BOARD, GMAX |
257352 | Q KIT, REPAIR, PRIME VALVE, HD |
243222 | Pressure Control Transducer Repair Kit |
16Y760 | KIT, REPAIR, TUBE, SUCTION, 7900 |
15C980 | NUT, JAM |
15H854 | O-RING |
117285 | PACKING, O-RING |
15V573 | Crushproof Inlet Strainer for 695 XT, 795 XT & 1095 XT |
116752 | SWITCH, ROCKER |
15C766 | TUBE, DIFFUSION |
115099 | Hose Washer Inlet Seal |
15C981 | WASHER, SUCTION, SWVL |
246331 | KIT, ACCY, DRAIN |
17Y042 | Contractor PC Airless Spray Gun with RAC X 517 SwitchTip |
240794 | BlueMax II Airless Hose, 1/4 in x 50 ft |