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.
 
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
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
Hi-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)
40.8
Overall Length (in)
38.3
Overall Width (in)
22.3
Power Rating (HP)
4
Power Source
Gas
Pressure Control Type
SmartControl 3.0
Pump Mount Type
QuikChange
Pump Rod Type
Chromex
Pump Sleeve Material
Stainless Steel
Pump Type
Endurance
Series
3900
Type
Airless Sprayer
Weight (lb)
106
Wetted Material
Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc-Plated Carbon Steel, Nickel-Plated Carbon Steel