Heavy Duty 3-in-1 Sprayer Overview & Key Benefits
Graco 24W968 DutyMax GH 300 HD 3-in-1 is a gas-hydraulic airless sprayer engineered for extreme production: elastomerics, block fillers, fireproofing, roof coatings, epoxies, primers, and high build paints. With a robust Honda gas engine, Extreme-Duty MaxLife pump, and RAC X tip system, it delivers reliable, continuous output for large scale jobs while supporting airless, texture, and transfer applications in one platform.
Compatible Machines
- Graco DutyMax GH 300 HD family (Standard/ProContractor configurations)
- RAC X tip/guard ecosystem across Graco professional sprayers
- BlueMax II high-pressure hoses and standard Graco airless hose whips (rated appropriately)
- Graco heavy-duty texture guns and professional contractor guns (7/8"-14 guard thread)
- ProConnect-style service kits/pumps designed for DutyMax GH-series (model-specific)
Why Contractors Choose It
- 3-in-1 versatility for airless paint, high-build texture, and transfer applications.
- Extreme-Duty MaxLife pump for long wear life on abrasive coatings.
- High output flow and pressure for multi-gun capability on large jobs.
- RAC X tips & guards for wide pattern control and quick tip changes.
- Jobsite-ready frame with heavy-duty wheels and easy service access.
Technical Specifications
| Model / Part No. | 24W968 - DutyMax GH 300 HD (3-in-1, ProContractor Series) |
| Sprayer Type | Gas-hydraulic airless (high-production, heavy materials) |
| Engine | Honda gas engine (contractor-grade power and reliability) |
| Pump | Extreme-Duty MaxLife design; long-stroke, direct-immersion |
| Max Working Pressure | Up to 3300 psi (227 bar) - application & tip dependent |
| Max Flow | High-output (multi-gun capable) - supports large tips for high-build coatings |
| Tip System | RAC X tips & guards (WideRAC options for texture coverage) |
| Hose / Outlet | BlueMax II compatible; typical 3/8″ NPT outlet (verify build sheet) |
| Materials Supported | Elastomerics, block fillers, epoxy & polyurethanes, primers, texture & drywall compounds, roof coatings, fire retardants |
| Typical Includes | Heavy-duty texture/contractor gun, RAC X tip(s)/guard, high-pressure hose & whip (package contents may vary) |
Best-Fit Applications
- Large exterior/interior repaints needing high output and long hose runs
- Roofing & waterproofing with high-build elastomerics
- Commercial textures (WideRAC patterns for fast coverage)
- Industrial protective coatings where durability and throughput matter
Frequently Asked Questions
It refers to the platform’s ability to handle airless paint, high-build texture, and material transfer applications in one heavy-duty sprayer, reducing changeovers and maximizing productivity.
The unit is compatible with the Graco RAC X tip family, including WideRAC options for texture. Always match tip size to material, pump output, and desired production rate.
Yes- its high-output hydraulic system supports multi-gun setups when configured with the correct manifolds, hoses, and appropriate tip sizes within the sprayer’s pressure/flow limits.
Use Graco BlueMax II high-pressure hose matched to your application (length, pressure rating, and ID). A 3/8″ main line with a 1/4″ whip is common for production plus maneuverability at the gun.
The GH-series uses a service-friendly pump architecture. With proper parts and procedure, contractors can perform common maintenance in the field—always follow Graco’s service manual for your exact model build.
