GMAX II 3900

GMAX II 3900 Standard Series Gas Airless Sprayer, Lo-Boy

17E826

17E826_GMAXII_3900_Standard_LoBoy_190520_Main

GMAX II 3900

GMAX II 3900 Standard Series Gas Airless Sprayer, Lo-Boy

17E826

Producing 65% more performance than the GMAX 3400, the GMAX II 3900 has the power and flow to handle up to two guns and is ideal for the professional contractor who sprays a wide variety of coatings.

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Features

Product Brochure
Producing 65% more performance than the GMAX 3400, the GMAX II 3900 has the power and flow to handle up to two guns and is ideal for the professional contractor who sprays a wide variety of coatings.

Everyday Reliability. Graco GMAX Standard Series gas-powered airless paint sprayers deliver unmatched durability and performance, with the capability to handle the widest range of tip sizes, longer hose lengths and heavier coatings with ease.

  • Endurance Chromex Piston Pump
    • The most reliable pump
    • Lasts 2X Longer than the next leading brand
    • Repack the pump in minutes with the new QuikPak Cartridge System
    • QuikChange pump design allows you to swap the pump easily on the job
    • Faster cleaning with the QuikAccess intake foot valve
  • 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
  • Precision Advantage Drive
    • The longest lasting drive
    • Hardened steel gears provide extremely quiet operation
    • Lifetime Warranty
  • Easy Out Pump Filter
    • Easy maintenance & less clogging
    • Exclusive inside-out filtering won't collapse to ensure a quality finish
    • Vertical design for less mess
  • Heavy-Duty Prime Valve
    • Maintenance-free design withstands high-pressure dumping
  • Durable Cart Design
    • Rugged and easy-to-maneuver
    • Thick chrome over steel and pneumatic wheels for tough jobsite conditions
    • Convenient retractable bucket hook allows for easy movement on the job
  • 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 no-tools gun rebuild in seconds with ProConnect cartridge
    • More info: graco.com/ContractorPC
  • Jobsite Ready
    • Includes RAC X SwitchTip and 50 ft (15 m) of BlueMax II hose
17E826_GMAXII_3900_Standard_LoBoy_190520_Main

Specifications

Technical Specifications

Convert to Metric
Convertible Non-Convertible
Engine Brand Honda
Engine Size (HP) 4
Features Endurance Chromex Pump, Honda Engine, Advantage Drive, Easy Out Filter, SmartControl 3.0, Contractor PC Gun, ProConnect 2
Fluid Inlet Size (in) 1-5/16
Fluid Inlet Thread Type UN-2A
Fluid Outlet Size (in) 1/4
Fluid Outlet Thread Type NPSM
Frame Configuration Lo-Boy
Hose Inlet Diameter (in) 1/4
Includes Contractor PC Gun, RAC X 517 Spray Tip, RAC X Guard, 1/4 in x 50 ft BlueMax II Airless Hose
Inlet Paint Strainer 8 Mesh Stainless Steel Screen
Maximum Flow Rate (GPM) 1.25
Maximum Sound Pressure Level (dB(A)) 96
Maximum Tip Size (in) 0.036
Maximum Tip Size 1 Gun (in) 0.036
Maximum Tip Size 2 Guns (in) 0.023
Maximum Working Pressure (psi) 3300
Model GMAX II
Number of Guns 2
Outlet Paint Filter 60 Mesh Stainless Steel Screen
Overall Height (in) 26.4
Overall Length (in) 46.9
Overall Width (in) 24.4
Power Rating (HP) 4
Power Source Gas
Pressure Control Type SmartControl 3.0
Pump Mount Type ProConnect 2
Pump Rod Type Chromex
Pump Sleeve Material Stainless Steel
Pump Type Endurance
Series 3900
Type Airless Sprayer
Weight (lb) 123
Wetted Material Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc-Plated Carbon Steel, Nickel-Plated Carbon Steel
Convertible Non-Convertible
Engine Brand Honda
Engine Size (HP) 4
Features Endurance Chromex Pump, Honda Engine, Advantage Drive, Easy Out Filter, SmartControl 3.0, Contractor PC Gun, ProConnect 2
Fluid Inlet Size (cm) 3.334
Fluid Inlet Size (mm) 33.34
Fluid Inlet Thread Type UN-2A
Fluid Outlet Size (cm) 0.635
Fluid Outlet Size (mm) 6.35
Fluid Outlet Thread Type NPSM
Frame Configuration Lo-Boy
Hose Inlet Diameter (cm) 0.635
Hose Inlet Diameter (mm) 6.35
Includes Contractor PC Gun, RAC X 517 Spray Tip, RAC X Guard, 1/4 in x 50 ft BlueMax II Airless Hose
Inlet Paint Strainer 8 Mesh Stainless Steel Screen
Maximum Flow Rate (L/min) 4.73
Maximum Sound Pressure Level (dB(A)) 96
Maximum Tip Size (cm) 0.09144
Maximum Tip Size (mm) 0.9144
Maximum Tip Size 1 Gun (cm) 0.09144
Maximum Tip Size 1 Gun (mm) 0.9144
Maximum Tip Size 2 Guns (cm) 0.05842
Maximum Tip Size 2 Guns (mm) 0.5842
Maximum Working Pressure (bar) 227
Maximum Working Pressure (kPa) 2270
Model GMAX II
Number of Guns 2
Outlet Paint Filter 60 Mesh Stainless Steel Screen
Overall Height (cm) 67.1
Overall Height (mm) 671
Overall Length (cm) 119.1
Overall Length (mm) 1191
Overall Width (cm) 62
Overall Width (mm) 620
Power Rating (HP) 4
Power Rating (cc) 120
Power Source Gas
Pressure Control Type SmartControl 3.0
Pump Mount Type ProConnect 2
Pump Rod Type Chromex
Pump Sleeve Material Stainless Steel
Pump Type Endurance
Series 3900
Type Airless Sprayer
Weight (kg) 55.9
Wetted Material Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc-Plated Carbon Steel, Nickel-Plated Carbon Steel

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