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Product information

The GMAX II 3900 can be used with up to two guns due to its power and flow and is ideal for the professional user spraying a variety of coatings.

Work smarter, get more jobs done Graco's GMAX ProContractor series is designed for speed and performance, so you can get to the next job faster and increase your profits.

  • Endurance Vortex MaxLife piston pump
    • Outstanding pump life
    • Groundbreaking Vortex torsion bar technology
    • New QuikPak cartridge system allows you to replace the pump in minutes.
    • Lasts 6x longer after each replacement thanks to innovative MaxLife technology
    • Oversized passages for high flow to rotate the rod for even wear
    • Replace pump in minutes with the new QuikPak cartridge repair system
  • ProConnect 2 pump replacement system
    • Pump replacement in 1 minute or less - no tools, pins or parts to lose
    • No more costly downtime
  • QuikReel hose management system
    • Simple hose management
    • Unwind and rewind up to 90 metres (300 feet) of hose in seconds.
    • No twisting, kinking or coiling
    • Use only as much hose length as needed - the rest stays on the reel
  • Pressure-resistant inlet screen
    • Durable filtration
    • Withstands harsh conditions to maintain flow through the filter
  • SmartControl 3.0
    • Constant spray pattern and pressure control
    • Handles the widest range of coatings with the most consistent spray pattern
    • Lowest dead zone at any pressure
  • WatchDog pump protection system
    • Automatically prevents pump damage if the material supply is too low
  • Advantage precision drive
    • The drive with the longest service life
    • Improved job site conditions with extremely quiet operation
    • Lifetime warranty
  • Honda® engine
    • Reliable, powerful and easy to start
    • Oil level warning switches off the engine to prevent damage if the oil level drops too low
    • Favoured by users
  • Contractor PC spray gun
    • High spraying comfort and control - all day long
    • Lightest spray gun in its class
    • Up to 50 % less trigger force
    • E-Z Fit Adjustable trigger length.
    • Complete gun conversion in seconds with ProConnect cartridge
    • Further information: graco.com/ContractorPC
  • Additional features:
    • Easy Out pump filter
    • Robust suction valve
    • LED display
    • Durable chassis in robust design
Compatible material: Primers, stains, acrylic paints, enamels, latex, interior paint, exterior paint
Compatible replacement pump: 17H823
Convertible: Not convertible
Features: Endurance Vortex MaxLife Pump, SmartControl 3.0, QuikReel, Honda Motor, Advantage Drive, ProConnect 2, LED Display, Easy Out Filter, Pressure Resistant Inlet Strainer, WatchDog, Contractor PC Gun
Filter mesh size: 60
Frame configuration: Hi boy
Hose inlet diameter (cm): 635
Hose inlet diameter (inch): 1/4
Hose inlet diameter (mm): 6.35
Hose reel type: QuikReel
Includes: All devices are delivered complete and ready to spray:
Inlet colour screen: 8 mesh stainless steel strainer
Inner diameter of material hose (inch): 1/4
Material inlet thread type: UN-2A
Material outlet size (mm): 6.35
Material outlet thread type: NPSM
Maximum delivery rate (L/min): 4.73
Maximum hose length (m): 30
Maximum nozzle size (inch): 36
Maximum nozzle size 1 gun (inch): 36
Maximum nozzle size 2 guns (inch): 23
Maximum operating pressure (MPa): 22.8
Maximum operating pressure (kPa): 22700
Maximum operating pressure (kg/cm²): 22.7
Maximum operating pressure (psi): 3300
Maximum sound pressure level (dB(A)): 96
Model: GMAX II
Nominal power (cm³): 120
Number of guns: 1
Outlet colour screen: 60 mesh stainless steel sieve
Permissible operating overpressure (psi): 3300
Permissible operating pressure (bar): 227
Pressure control type: SmartControl 3.0
Product series: ProContractor
Pump mounting type: ProConnect 2
Pump rod type: MaxLife
Pump sleeve material: MaxLife
Pump type: Endurance Vortex
Rated power (W): 2983
Rated power (kW): 2.98
Series: 3900
Size of the material inlet opening (inches): 1-5/16
Size of the material inlet opening (mm): 33.34
Size of the material outlet opening (inches): 1/4
Spray gun type: Contractor PC Pro pistol
Spraying technology: Airless
Supply voltage: petrol
Total height (cm): 97.3
Total height (mm): 9,728,200
Total length (cm): 82
Total length (mm): 820.42
Total width (cm): 56.6
Total width (mm): 6,197,600
Type: Airless sprayer
Weight (kg): 61
Wetted material: Acetal, Aluminum, Chrome Plating, Fluoroelastomer, Leather, Nylon, PTFE, Polyurethane, Stainless Steel, Tungsten Carbide, UHMWPE, Zinc Plated Carbon Steel, Nickel Plated Carbon Steel
More information
  • Product number: 1031531
  • Manufacturer: Graco
  • EAN: 00755652817024
  • Weight: 59.874 kg
  • Length: 700 mm
  • Width: 900 mm
  • Height: 1000 mm

Technical details

Operating specifications
UPC product 755652817024
Division CED
Price Block 2 06
Country of Origin US
Unit EA
Height 100 CM
Length 70 CM
Width 90 CM
Volume . 63 m³
Shipping weight 59.87 KG
Technical
Compatible replacement pump 17H823
Convertible Non - convertible
Engine Brand Honda
Engine size (HP) 4
Fluid inlet size (in) 1 -5/16
Fluid inlet size (mm) 33. 34
Fluid outlet size (mm) 6. 35
Frame Configuration Hi-Boy
Hose inlet diameter (cm) 0. 635
Hose inlet diameter (in) 1/4
Hose inlet diameter (mm) 6. 35
Hose reel type QuikReel
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
Maximum flow rate (L/min) 4. 73
Maximum Hose Length (ft) 100
Maximum Hose Length (m) 30
Maximum sound pressure level (dB(A)) 96
Maximum tip size (in) 0. 036
Maximum tip size gun 1 (in) 0. 036
Maximum working pressure (psi) 3 3 00
Maximum working pressure (kPa) 2 2 700
Power Rating (HP) 4
Power Rating (kW) 2. 98
Maximum working pressure (MPa) 22. 8
Pressure Control Type SmartControl 3. 0
Overall Width (mm) 619. 7600
Model GMAX II
Maximum working pressure (bar) 2 27
Overall Height (cm) 97. 3
Overall Height (in) 38. 3
Weight (kg) 61
Overall height (mm) 972. 8200
Overall length (cm) 82
Overall width (in) 24. 4
Overall Length (in) 32. 3
Series 3 9 00
Overall Length (mm) 820. 42
Overall width (cm) 56. 6
Maximum working pressure (kg/cm²) 22. 7
Fluid Hose Inside Diameter (in) 1/4
Outlet Paint Filter 60 mesh stainless steel screen
Pump Mount Type ProConnect 2
Pump Rod Type MaxLife
Number of Guns 1
Filter mesh size 60
Maximum Tip Size Gun 2 (in) 0. 023
Recommended annual usage Up to 500 gallons per week
Power Rating (cc) 120
Product Series ProContractor
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