Graco 17E827 GMAX II 3900 Standard Series Gas Airless Sprayer, Hi-Boy
$6,530.00
$8,930.00
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Graco 17E827 GMAX II 3900 Hi-Boy offers powerful performance and reliability for professional painting contractors, ideal for large residential or commercial projects.
- Engine: Honda GX120 (120cc)
- Pressure: Up to 3,300 PSI
- Flow Rate: 1.25 GPM — supports dual-gun use
- SmartControl 3.0 for consistent spray pressure
- Endurance Chromex Pump with ProConnect 2 quick-change system
- Hi-Boy Frame for easy drum access and mobility
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High Performance Gas Airless Sprayer for Professional Finishing
Compatible Machines
- Graco GMAX II 3900 Lo-Boy — same performance and components, different frame height.
- Graco GMAX II 5900 — compatible with hoses, tips, and pump parts.
- Graco GMAX II 7900 — shares accessories and maintenance parts.
- Graco GMAX 3400 — limited compatibility in tips and spray hoses.
- Other Graco Gas Airless Sprayers using RAC X tips, BlueMax II hoses, and QuikPak/ProConnect pump parts.
Overview
Graco 17E827 GMAX II 3900 Standard Series Gas Airless Sprayer, Hi-Boy is a professional-grade sprayer built for contractors who need consistent power and high performance on large projects. It features advanced pressure control, a reliable Honda engine, and a high-mount design for easy drum feeding and mobility across rugged job sites.
Key Specifications
| Engine Type | Honda GX120 (120cc) |
|---|---|
| Maximum Working Pressure | 3,300 PSI (22.8 MPa) |
| Maximum Flow Rate | 1.25 GPM (4.73 L/min) |
| Maximum Tip Size | 0.036" (Single Gun) / 0.023" (Dual Gun) |
| Pump Type | Endurance Chromex Pump with ProConnect 2 quick-change system |
| Pressure Control | SmartControl 3.0 for precise and consistent pressure output |
| Frame Type | Hi-Boy Frame — ideal for easy drum access and job site maneuverability |
| Included Accessories | Contractor PC Gun, RAC X Tip, 50 ft BlueMax II Hose, Tip Guard, TSL 4 oz |
| Dimensions (L × W × H) | Approx. 47" × 24" × 39" |
| Weight | Approx. 106 lbs (48 kg) |
Key Features
- Hi-Boy Frame makes drum feeding faster and more convenient.
- SmartControl 3.0 ensures smooth spray patterns and reduced pressure fluctuations.
- ProConnect 2 allows quick, tool-free pump replacement on-site.
- Honda GX120 Engine provides dependable, powerful operation on any job.
- Supports dual-gun spraying for large-scale projects.
- Designed for use with latex, acrylics, primers, and enamels.
Frequently Asked Questions
The Hi-Boy model features a taller frame for direct drum access and easier mobility, while the Lo-Boy design has a lower center of gravity for added stability during transport.
Yes, the Graco GMAX II 3900 Hi-Boy supports dual-gun spraying, making it ideal for covering large areas quickly.
It can handle a wide variety of coatings, including latex paints, acrylics, primers, and enamels, suitable for residential, commercial, and industrial applications.
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