GMAX II 3900

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

Part Number: 17E827

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GMAX II 3900

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

Part Number: 17E827

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
    • Retractable handle doubles as coiled hose storage
  • 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 gun rebuild in seconds with ProConnect cartridge
    • More info: graco.com/ContractorPC
  • Jobsite Ready
    • Includes RAC X SwitchTip and 50 ft of BlueMax II hose

Specifications & Documents

Technical Specifications

Convert to Metric
Construction 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, SmartControl 3.0, Honda Engine, Advantage Drive, Easy Out Filter, Heavy-Duty Prime Valve, 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 LP 517 Spray Tip, RAC X Guard, 1/4 in x 50 ft BlueMax II Airless Hose, TSL 4 oz
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 (MPa) 22.8
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) 4.0
Power Rating (W) 2983
Power Rating (kW) 2.98
Power Source Gas
Pressure Control Type SmartControl 3.0
Product Series Standard
Pump Mount Type QuikChange
Pump Rod Type Chromex
Pump Sleeve Material Stainless Steel
Pump Type Endurance
Recommended Annual Usage Up to 500 gallons per week
Series 3900
Type Airless Sprayer
Weight (lb) 106
Construction 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
Features Endurance Chromex Pump, SmartControl 3.0, Honda Engine, Advantage Drive, Easy Out Filter, Heavy-Duty Prime Valve, Contractor PC Gun
Fluid Inlet Size (in) 1-5/16
Fluid Inlet Size (mm) 33.34
Fluid Inlet Thread Type UN-2A
Fluid Outlet Size (in) 1/4
Fluid Outlet Size (mm) 6.35
Fluid Outlet Thread Type NPSM
Frame Configuration Hi-Boy
Hose Inlet Diameter (cm) 0.635
Hose Inlet Diameter (in) 1/4
Hose Inlet Diameter (mm) 6.35
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
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 (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 (bar) 228
Maximum Working Pressure (kPa) 22800
Maximum Working Pressure (psi) 3300
Model GMAX II
Number of Guns 2
Outlet Paint Filter 60 Mesh Stainless Steel Screen
Overall Height (cm) 103.6
Overall Height (mm) 1036
Overall Length (cm) 97.3
Overall Length (mm) 973
Overall Width (cm) 56.6
Overall Width (mm) 566
Power Rating (W) 2983
Power Rating (cc) 120
Power Rating (kW) 2.98
Power Source Gas
Pressure Control Type SmartControl 3.0
Product Series Standard
Pump Mount Type QuikChange
Pump Rod Type Chromex
Pump Sleeve Material Stainless Steel
Pump Type Endurance
Recommended Annual Usage Up to 500 gallons per week
Series 3900
Type Airless Sprayer
Weight (kg) 48

What's Included

Part No. Description Qty Unit
246215 RAC X HandTite Tip Guard 1 ea
240794 BlueMax II Airless Hose, 1/4 in x 50 ft 1 ea
238049 TSL Throat Seal Liquid, 4 oz 1 ea
17Y043 Contractor PC Airless Spray Gun with RAC X LP 517 SwitchTip 1 ea
LP517 Low Pressure RAC X LP SwitchTip, 517 1 ea

Repair Parts

Part No. Description
244068 Easy Out Pump Manifold Filter, Long, 100 mesh
244069 Easy Out Pump Manifold Filter, Long, 200 mesh
244071 Easy Out Pump Manifold Filter, Long, 30 mesh
244067 Easy Out Pump Manifold Filter, Long, 60 mesh
24U917 HOSE,SUCTION, 30 / 50 GALLON
17A095 KIT, REPAIR, CONTROL BOARD, GMAX
257352 Q KIT, REPAIR, PRIME VALVE, HD
243222 Pressure Control Transducer Repair Kit
16Y760 KIT, REPAIR, TUBE, SUCTION, 7900
15C980 NUT, JAM
15H854 O-RING
117285 PACKING, O-RING
15V573 Crushproof Inlet Strainer for 695 XT, 795 XT & 1095 XT
116752 SWITCH, ROCKER
15C766 TUBE, DIFFUSION
115099 Hose Washer Inlet Seal
15C981 WASHER, SUCTION, SWVL
246331 KIT, ACCY, DRAIN
17Y042 Contractor PC Airless Spray Gun with RAC X 517 SwitchTip
240794 BlueMax II Airless Hose, 1/4 in x 50 ft

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