With a 160 cc Honda engine and the ability to spray up to 1.6 gallons per minute, the GMAX II 5900 is the industry standard for the professional contractor who sprays a wide variety of coatings on residential, commercial, and industrial jobs.
GMAX II 5900 Gas-Mechanical Airless Sprayer
The industry standard gas-powered airless sprayer for the serious professional contractor

Standard Series comes with these "Only On A Graco" features:
- Advantage Drive System – Runs quiet and has a lifetime guarantee.
- SmartControl 3.0 Pressure Control – Delivers consistent spray fan without pressure fluctuations at all spraying pressures.
- Endurance Pump – Amazingly durable design lasts twice as long as the next leading brand.
- Honda Engine – Delivers maximum performance and contractor preferred reliability.
- Rugged Cart Design – Chrome over steel makes this durable cart last for years.
- Easy Out Pump Filter – Less mess when changing or cleaning the filter.
- Heavy-Duty Prime Valve – Maintenance free design withstands high pressure dumping.

ProContractor Series has all the features of the Standard Series, plus:
- QuikReel – Deploy and rewind up to 300 feet of hose in seconds with out twists, kinks or coils.
- Ready To Spray – A total of 100 feet of hose and gun already installed.
- ProConnect 2 – Change out the pump using no tools in seconds resulting in quickly getting back to work.
- LED Display – Bright easy-to-read LED display shows pressure readout, job/lifetime/gallon counter and self diagnostics.
- WatchDog – Save the pump from damage when paint runs out or a hose breaks.
- On-Board Toolbox – End frustration and save time by never again searching for tips, filters, and tools.

IronMan Series has all the features of the Standard Series, plus:
- MaxLife Extreme Duty Pump – Keeps you working by running 6X longer between repacks.
- Ceramic and Stainless Steel Ball Set – Ceramic and stainless steel ball sets provide maximum versatility no matter what you’re spraying.
- ProConnect 2 – Change out the pump using no tools in seconds resulting in quickly getting back to work.
- Roll Cage Frame – Innovative steel design withstands rugged environments and protects critical sprayer components.
- LED Display – Bright easy-to-read LED display shows pressure readout, job/lifetime/gallon counter and self diagnostics.
- Flat-Proof Tires – Roll through even the worst jobsite debris without ever going flat.
- WatchDog – Save the pump from damage when paint runs out or if a hose breaks.
- Additional 50 ft of Hose – Gives you the versatility to work farther away from the sprayer.

Also available in Lo-Boy configuration with same features as Standard Series plus ProConnect 2 Pump System.
The Lo-Boy configuration is not available in Europe, Middle East & Africa.

Also available in a Convertible configuration with same features as Standard Series plus the ability to utilize either a gas engine or electric motor.
The Convertible configuration is not available in Europe, Middle East & Africa.
Standard Series, Convertible and Lo-Boy units include:
- Contractor Gun
- RAC X 517 SwitchTip and Guard
- 1/4 in x 50 ft (6.4 mm x 15 m) BlueMax II Airless Hose
ProContractor Series unit includes:
- Contractor Gun
- RAC X 517 SwitchTip and Guard
- 2 each – 1/4 in x 50 ft (6.4 mm x 15 m) BlueMax II Airless Hose
IronMan Series unit includes:
- Silver Plus Gun
- RAC X 517 SwitchTip and Guard
- RAC X Wide RAC 1231 SwitchTip
- 3/8 in x 50 ft (9.5 mm x 15 m) BlueMax II Airless Hose
- 1/4 in x 50 ft (6.4 mm x 15 m) BlueMax II Airless Hose
Manuals
- 332919C - GMAX 3400, GMAX II 3900/5900/7900, and TexSpray 5900HD/7900HD Airless Sprayers Operation (English) [other languages]
- 332921K, Manual, GMAX 3400, GMAX II 3900/5900/7900 and TexSpray 5900HD/7900HD Airless Sprayers, Parts, English
- 310892F; GMAX II 3900/5900/5900HD/5900 Convertible/7900 TexSpray 5900HD Convertible/7900HD Airless Sprayers Operation (English)
- 3A0244G GMAX II 3900/7900, TexSpray 5900HD/7900HD Airless Sprayers, Parts, English
- 3A0243D - GMAX II 3900/5900/7900, TexSpray 5900HD/7900HD Airless Sprayers Repair (English) [other languages]
- 3A0242B GMAX II 3900/5900/5900HD/5900 Convertible/7900, TexSpray 5900HD Convertible/7900HD Airless Sprayers, Operation (English) [other languages]
332919C - GMAX 3400, GMAX II 3900/5900/7900, and TexSpray 5900HD/7900HD Airless Sprayers Operation (English)
3A0243D - GMAX II 3900/5900/7900, TexSpray 5900HD/7900HD Airless Sprayers Repair (English)
Literature
- Gas Airless Sprayers Brochure [other languages]
- 300769ENEU GMAX™ (HD 3-IN-1) IronMan [other languages]
- 300718ENEU GMAX™ II (HD 3-in-1) Standard [other languages]
- 300719ENEU GMAX™ (HD 3-IN-1) ProContractor [other languages]
300769ENEU GMAX™ (HD 3-IN-1) IronMan
300718ENEU GMAX™ II (HD 3-in-1) Standard
GMAX II 5900 and TexSpray 5900HD Airless Sprayers | |
U.S. Metric | |
Engine | |
Honda GX120 Engine | |
ANSI Power Rating @ 3600 rpm | 5.5 Horsepower 4.1 kW |
Sprayer | |
Maximum Working Pressure | 3300 psi 228 bar, 22.8 MPa |
Maximum Delivery Rating | 1.6 gpm 6.06 lpm |
Inlet Paint Strainer | 8 mesh (2589 micron) stainless steel screen, reusable 8 mesh (2589 micron) stainless steel screen, reusable |
Outlet Paint Filter | 60 mesh (250 micron) stainless steel screen, reusable 60 mesh (250 micron) stainless steel screen, reusable |
Pump Inlet Size | 1-5/16-12 UN-2A 1-5/16-12 UN-2A |
Fluid Outlet Size | 1/4 npsm from fluid filter 1/4 npsm from fluid filter |
Fluid Outlet Size (5900 IronMan and 5900HD) | 3/8 npsm from fluid filter 3/8 npsm from fluid filter |
Maximum Tip Size | 1 Gun with 0.043 in. tip 1 Gun with 0.043 in. tip |
2 Guns with 0.029 in. tip | 2 Guns with 0.029 in. tip 2 Guns with 0.029 in. tip |
3 Guns with 0.023 in. tip | 3 Guns with 0.023 in. tip 3 Guns with 0.023 in. tip |
4 Guns with 0.019 in. tip | 4 Guns with 0.019 in. tip 4 Guns with 0.019 in. tip |
Wetted parts | zinc- and nickel-plated carbon steel, PTFE, nylon, polyurethane, UHMW, fluoroelastomer, acetal, leather, aluminum, tungsten carbide, stainless steel, chrome plating zinc- and nickel-plated carbon steel, PTFE, nylon, polyurethane, UHMW, fluoroelastomer, acetal, leather, aluminum, tungsten carbide, stainless steel, chrome plating |
Dimensions | |
Weight: | |
GMAX 5900 Standard | 138 lb 62.7 kg |
GMAX 5900 Lo-Boy | 144 lb 65.5 kg |
GMAX 5900 ProContractor | 160 lb 72.7 kg |
GMAX 5900 Convertible, Standard | 167 lb 75.9 kg |
GMAX 5900 IronMan | 160 lb 72.7 kg |
TexSpray 5900HD ProContractor | 164 lb 74.5 kg |
TexSpray 5900HD Standard | 142 lb 64.5 kg |
Height: | |
GMAX 5900 Standard | 40.5 in. 102.9 cm |
GMAX 5900 Lo-Boy | 27.2 in. 69.1 cm |
GMAX 5900 ProContractor | 38.0 in. 96.5 cm |
GMAX 5900 Convertible, Standard | 43.8 in. 111.3 cm |
GMAX 5900 IronMan | 38.8 in. 98.6 cm |
TexSpray 5900HD ProContractor | 38.0 in. 98.6 cm |
TexSpray 5900HD Standard | 40.5 in. 102.9 cm |
Length: | |
GMAX 5900 Standard | 37.7 in. 95.8 cm |
GMAX 5900 Lo-Boy | 46.9 in. 119.1 cm |
GMAX 5900 ProContractor | 32.7 in. 83.1 cm |
GMAX 5900 Convertible, Standard | 33.0 in. 83.8 cm |
GMAX 5900 IronMan | 40.4 in. 102.6 cm |
TexSpray 5900HD ProContractor | 32.7 in. 83.1 cm |
TexSpray 5900HD Standard | 37.7 in. 95.8 cm |
Width: | |
All | 24.4 in. 62.0 cm |
Noise Level: | |
Sound Power | 105 dBa per ISO 3744 105 dBa per ISO 3744 |
Sound Pressure | 96 dBa measured at 3.1 ft 96 dBa measured at 1 m |
Accessories
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BlueMax II Hose
Designed to ensure you get the best results from your airless sprayer
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Contractor & FTx Guns
Maximum performance and comfort you've come to expect with Graco's professional spray guns
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RAC X SwitchTips
The highest performing and longest lasting tips in the industry
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Silver Plus Gun
Known for its durability, long life, spraying performance, and comfortable design, it is the preferred...