Graco 17E834 GMAX II 7900 Standard Series Gas Airless Sprayer, Lo-Boy

Graco 17E834 GMAX II 7900 Lo-Boy delivers maximum performance and reliability for professional contractors tackling the largest and toughest coating jobs.

Engine: Honda GX200 (6.5 HP)
Flow Rate: 2.2 GPM — supports up to 4 guns
Max Pressure: 3,300 PSI
Pump: Endurance Vortex MaxLife with ProConnect 2
SmartControl 3.0: Maintains consistent pressure
Frame: Lo-Boy for easy bucket access and stability

Retail Price: $11150

You save: $3011 (27.00%)

Our Price: $8139

Based on 0 reviews

Description

Professional Power and Reliability for Large Scale Jobs

Compatible Machines

Graco GMAX II 3900 Series (Lo-Boy / Hi-Boy)
Graco GMAX II 5900 Series (Lo-Boy / Hi-Boy / ProContractor / IronMan)
Graco GMAX II 7900 Series (Hi-Boy / ProContractor / IronMan)
All Graco gas airless sprayers compatible with RAC X tips, BlueMax II hoses, and ProConnect 2 pumps

Overview

Graco 17E834 GMAX II 7900 Standard Series Lo-Boy is the most powerful gas airless sprayer in Graco’s lineup. Designed for professional contractors, it delivers unmatched flow and pressure for spraying heavy coatings, large surfaces, and multi-gun setups with ease.

Technical Specifications

Engine	Honda GX200 (6.5 HP)
Max Flow Rate	2.2 GPM — supports up to 4 guns
Max Pressure	3,300 PSI
Max Tip Size (1 Gun)	0.048″
Max Tip Size (2 Guns)	0.035″
Max Tip Size (3 Guns)	0.027″
Max Tip Size (4 Guns)	0.023″
Pump Type	Endurance Vortex MaxLife Pump with rotating rod technology
Pump System	ProConnect 2 quick-change pump replacement
Pressure Control	SmartControl 3.0 for consistent spray pressure
Drive System	Precision Advantage Drive — hardened steel gears with lifetime warranty
Frame Type	Lo-Boy configuration for easy pail access and low center of gravity
Included Accessories	Contractor PC Gun, RAC X LP 517 tip, 50 ft BlueMax II hose, and TSL
Weight	Approx. 154 lb (70 kg)

Applications

Large residential, commercial, and industrial coating projects
Perfect for latex, acrylics, primers, elastomerics, and protective coatings
Supports long hose lengths and multiple spray guns simultaneously
Engineered for long-lasting performance under heavy workloads

Frequently Asked Questions

The GMAX II 7900 offers about 35% more performance than the 5900, with higher flow capacity, larger tip support, and the ability to run up to four guns simultaneously.

It can spray a wide range of coatings, including latex, acrylic, block fillers, elastomerics, and heavy industrial coatings.

The GMAX II 7900 can operate up to 4 spray guns at once, depending on the tip size and coating viscosity.