Graco 17E831 GMAX II 5900 Hi-Boy is a powerful gas airless sprayer built for professional contractors who handle large-scale projects. It ensures high efficiency, consistent pressure, and long-lasting durability.
Graco 17E831 GMAX II 5900 Hi-Boy is a heavy duty, gas-powered airless sprayer designed for professional contractors handling large-scale jobs. It delivers high flow capacity, precise pressure control, and reliable performance for demanding residential, commercial, and industrial projects.
| Engine | Honda GX200 (6.5 HP) – proven durability and easy starting |
|---|---|
| Maximum Pressure | 3,300 PSI for consistent, professional-grade finish |
| Flow Rate | 1.6 GPM – supports single and dual-gun operation |
| Pump Type | Endurance Chromex Pump with QuikChange / ProConnect 2 system for quick replacement |
| Pressure Control | SmartControl 3.0 – maintains steady pressure and consistent spray pattern |
| Drive System | Advantage Drive – hardened steel gears, lifetime warranty |
| Tip Size (Single Gun) | Up to 0.043” |
| Tip Size (Dual Gun) | Up to 0.029” |
| Frame Type | Hi-Boy Cart – ergonomic height for easier drum access and transport |
| Included Accessories | Contractor PC Gun, RAC X LP517 Tip, BlueMax II 50ft Hose, and Tip Guard |
| Weight | Approx. 148 lbs (67 kg) |
The GMAX II 5900 Hi-Boy delivers superior power for spraying a variety of coatings from latex and acrylics to heavy elastomerics. Its SmartControl 3.0 ensures consistent pressure even with long hose runs, while the Hi-Boy frame provides convenient height and easy mobility around job sites.
This model is ideal for contractors requiring reliable performance for large-scale applications with multiple spray guns and continuous use.
