GRACO 17E837 - GMAX II 7900 ProContractor Series Gas Airless Sprayer, 3300 PSI
Professional gas airless sprayer designed to deliver speed and performance so you can get to the next jobsite faster and increase your profits. Features superior pump life with New Endurance Vortex MaxLife Piston Pump and patented breakthrough Vortex Rotating Rod Technology. Built for work smarter productivity with easy-to-read LED display, improved filtration system, and pump damage protection.
Offering 35% more performance than the GMAX II 5900, the GMAX II 7900 is Graco's largest gas mechanical sprayer. These units can handle the widest range of tip sizes, multiple guns, longer hose lengths and heavier coatings with ease.
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
Additional Specifications
- Flow Rate: 8.3 L/min (2.2 gpm)
- Max Working Pressure: 227 bar (3300 PSI)
- Weight: 146 lbs
- Series: GMAX II ProContractor
- Engine: Honda or Kohler Available
| Compatible Material |
Stains, Glass, Oil, Lacquer, Primers, Fillers, Acrylics, Interior Emulsions, Exterior Emulsions, Latex, Anti-Corrosive Paints |
| Compatible Replacement Pump |
17H825 |
| Convertible |
Non-Convertible |
| Engine Brand |
Honda |
| Engine Size (HP) |
6.5 |
| Features |
Endurance Vortex MaxLife Pump, SmartControl 3.0, QuikReel, Honda Engine, Advantage Drive, ProConnect 2, Easy Out Filter, Crushproof Inlet Strainer, Heavy-Duty Prime Valve, WatchDog, LED Display, 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) |
3/8 |
| 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, 3/8 in x 50 ft (15 m) BlueMax II Airless Hose, 1/4 in x 3 ft (0.9 m) BlueMax II Airless Whip Hose, TSL 4 oz (118 ml) |
| Inlet Paint Strainer |
8 Mesh Stainless Steel Screen |
| Maximum Flow Rate (GPM) |
2.2 |
| Maximum Fluid Working Pressure (psi) |
3300 |
| Maximum Hose Length (ft) |
200 |
| Maximum Sound Pressure Level (dB(A)) |
96 |
| Maximum Tip Size (in) |
0.048 |
| Maximum Tip Size 1 Gun (in) |
0.048 |
| Maximum Tip Size 2 Guns (in) |
0.035 |
| Maximum Tip Size 3 Guns (in) |
0.027 |
| Maximum Tip Size 4 Guns (in) |
0.023 |
| Maximum Working Pressure (MPa) |
22.8 |
| Maximum Working Pressure (psi) |
3300 |
| Model |
GMAX II |
| Motor Type |
Honda Gasoline Engine |
| Number of Guns |
1 |
| Outlet Paint Filter |
60 Mesh Stainless Steel Screen |
| Overall Height (in) |
38.0 |
| Overall Length (in) |
33.3 |
| Overall Width (in) |
24.4 |
| Power Rating (HP) |
6.5 |
| Power Rating (W) |
4847.1 |
| Power Rating (kW) |
4.85 |
| Power Source |
Gas |
| Pressure Control Type |
SmartControl 3.0 |
| Pump Mount Type |
ProConnect 2 |
| Pump Rod Type |
MaxLife |
| Pump Sleeve Material |
MaxLife |
| Pump Type |
Endurance Vortex |
| Recommended Annual Usage |
Up to 1,000 gallons per week |
| Series |
7900 |
| Spray Gun Type |
Contractor PC Pro Gun |
| Spray Type |
Airless |
| Type |
Airless Sprayer |
| Weight (lb) |
167 |
| Wetted Material |
Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc-Plated Carbon Steel, Nickel-Plated Carbon Steel |
Features
- Vortex ProConnect 2 technology for easy pump changes
- MaxLife piston rod and sleeve for extended service life
- Paint HD Texture pump for heavy-duty applications
- Contractor PC gun with HD Blue Texture capability
- Ready to spray out of the box - fully assembled
- Professional-grade 200cc engine
Applications
- Heavy-duty texture applications
- Professional contracting work
- High-volume paint projects
- Commercial painting applications
- High-productivity jobsites
- Wide range of coatings with consistent spray application
Compatible Equipment
- RAC X tip extensions
- Contractor PC guns
- Professional spray tips up to 0.048 inch
- HD Blue Texture accessories
- Contractor PC Gun with RAC X LP SwitchTip
- Up to 300 feet of hose
Related Parts
- 17E828 - GMAX II 3900
- 17E832 - GMAX II 5900
- 17E840 - GMAX II 5900 HD
- 17E842 - GMAX II 7900 HD (HD designation)
- 17H823 - GMax II 3900 pump
- 17H835 - GMax II 7900 HD pump
- 17E528 - GMAX II 3400 ProContractor
- 17E532 - GMAX II 5900 ProContractor
- 17E836
- 17E838
Kit Contents
- GMAX II 7900 HD sprayer unit
- Contractor PC gun with HD Blue Texture
- 1/4 inch x 15 m hose
- 1/4 inch x 0.9 m whip hose
- Ready-to-use accessories package
This is the 7900 HD model in the GMAX II ProContractor series, featuring the highest flow rate and pressure capacity in the lineup. Ships complete and ready to spray with SmartControl 3.0, WatchDog, and other professional features. Part of the GMAX II ProContractor Series designed for professional contractors who need to work smarter and finish more jobs with superior reliability and performance. Part of the GMAX II 7900 series with ProContractor configuration. Gas-powered sprayer model availability dependent on local emissions regulations.
Reference Manuals
