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
- More info: graco.com/ContractorPC
- Additional Features:
- Easy Out Pump Filter
- Heavy-Duty Prime Valve
- LED Display
- Rugged, Durable Cart Design
SPECIFICATIONS & DOCUMENTS
Technical Specifications
| Compatible Material | Primers, Stains, Acrylics, Enamel, Latex, Interior Paint, Exterior Paint |
|---|---|
| Compatible Replacement Pump | 17H823 |
| Convertible | Non-Convertible |
| Engine Brand | Honda |
| Engine Size (HP) | 4 |
| Features | Endurance Vortex MaxLife Pump, SmartControl 3.0, QuikReel, Honda Engine, Advantage Drive, ProConnect 2, LED Display, Easy Out Filter, Crushproof Inlet Strainer, WatchDog, Contractor PC Gun |
| Filter Mesh Size | 60 |
| Fluid Hose Inside Diameter (in) | 1/4 |
| 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 |
| Hose Reel Type | QuikReel |
| Includes | Contractor PC Gun, RAC X LTX 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 Fluid Working Pressure (psi) | 3300 |
| Maximum Hose Length (ft) | 100 |
| 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 | 1 |
| Outlet Paint Filter | 60 Mesh Stainless Steel Screen |
| Overall Height (in) | 38.3 |
| Overall Length (in) | 32.3 |
| Overall Width (in) | 24.4 |
| Power Rating (HP) | 4.0 |
| Power Rating (W) | 2982.8 |
| Power Rating (kW) | 2.98 |
| Power Source | Gas |
| Pressure Control Type | SmartControl 3.0 |
| Product Series | ProContractor |
| Pump Mount Type | ProConnect 2 |
| Pump Rod Type | MaxLife |
| Pump Sleeve Material | MaxLife |
| Pump Type | Endurance Vortex |
| Recommended Annual Usage | Up to 500 gallons per week |
| Series | 3900 |
| Spray Gun Type | Contractor PC Pro Gun |
| Spray Type | Airless |
| Type | Airless Sprayer |
| Weight (lb) | 133 |
| Wetted Material | Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc-Plated Carbon Steel, Nickel-Plated Carbon Steel |
Warranty
Graco CED Warranty (89 KB)
(English Only)
Sales Literature
344383EN-F.pdf (4 MB)
Certifications
199810H, GMAX 3400, 3900, 5900, 7900, TexSrayer 5900HD & 7900HD, EU-Declaration of Conformity (164 KB)
What’s Included
| PART NO. | DESCRIPTION | QTY | UNIT |
|---|---|---|---|
| 17Y042 | Contractor PC Airless Spray Gun with RAC X 517 SwitchTip | 1 | ea |
| LTX517 | RAC X SwitchTip, 517 | 1 | ea |
| 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 |
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 |
| 240794 | BlueMax II Airless Hose, 1/4 in x 50 ft |
| 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 |
| 16Y759 | KIT, REPAIR, TUBE, SUCTION, 39/59 |
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