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.

Work Smarter, Finish More Jobs. Graco GMAX ProContractor Series gas-powered airless paint sprayers are designed to deliver speed & performance so you can get to the next jobsite faster and increase your profits.

Features

• Endurance Vortex MaxLife Pump
• ProConnect 2 Pump Replacement System
• QuikReel Hose Management System
• Honda Engine
• Crushproof Inlet Strainer
• SmartControl 3.0
• WatchDog Pump Protection System
• Precision Advantage Drive
• Honda® Engine
• Contractor PC Spray Gun
• Easy Out Pump Filter
• Heavy-Duty Prime Valve
• LED Display
• Rugged, Durable Cart Design

Specifications

• Compatible Material: Primers, Stains, Acrylics, Enamel, Latex, Interior Paint, Exterior Paint
• Compatible Replacement Pump: 17H823
• Convertible: Non-Convertible
• Engine Brand: Honda
• Engine Size: (HP) 4
• Filter Mesh Size: 60
• Fluid Hose Inside Diameter (in): 1/4
• 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
• Hose Reel Type: QuikReel
• Inlet Paint Strainer: 8 Mesh Stainless Steel Screen
• Maximum Flow Rate (GPM): 1.25
• Maximum Fluid Working Pressure (psi): 3300
• Maximum Hose Length (ft): 100
• 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 (MPa): 22.8
• Maximum Working Pressure (psi): 3300
• Model: GMAX II
• Number of Guns: 1
• Outlet Paint Filter: 60 Mesh Stainless Steel Screen
• Overall Height (in): 38.3
• Overall Length (in): 32.3
• Overall Width (in): 24.4
• Power Rating (HP): 4.0
• Power Rating (W): 2983
• Power Rating (kW): 2.98
• Power Source: Gas
• Pressure Control Type: SmartControl 3.0
• Product Series: ProContractor
• Pump Mount Type: ProConnect 2
• Pump Rod Type: MaxLife
• Pump Sleeve Material: MaxLife
• Pump Type: Endurance Vortex
• Recommended Annual Usage: Up to 500 gallons per week
• Series: 3900
• Spray Gun Type: Contractor PC Pro Gun
• Spray Type: Airless
• Type: Airless Sprayer
• Weight (lb): 133
• Wetted Material: Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc-Plated Carbon Steel, Nickel-Plated Carbon Steel

Includes

• Contractor PC Gun
• RAC X LP 517 Spray Tip
• RAC X Guard
• 1/4 in x 50 ft BlueMax II Airless Hose
• TSL 4 oz