Graco Inc.

GMAX II 5900 Convertible

Gas-Mechanical Airless Sprayer

This airless sprayer is truly versatile - switch from gas to electric power

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The GMAX II 5900 Convertible is an ideal gas/electric sprayer for contractors who demand indoor/outdoor flexibility to get the job done.

  • ProConnect™ pump removal system - no-tools removal makes Endurance™ Pump swap out fast and easy.
  • SmartControl™ Pressure Control with WatchDog™ system - advanced microprocessor control delivers a consistent spray fan at all spraying pressures.
  • Exclusive Advantage Drive™ System - quiet running hardened helical gears with auto adjust/alignment system.
  • Dependable 4.8 hp Honda motor with Oil Alert.
  • Chrome Plated Welded Steel Hi-Boy cart design - withstands rugged environments.

Includes:

  • Contractor Airless Gun
  • 1/4 in x 50 ft (6.4 mm x 15 m) BlueMax II Airless Hose
  • RAC X 517 SwitchTip and Guard

Manuals

Literature

View values in metric units. View values in U.S. units.
GMAX II 3900/5900/5900HD/7900
Honda GX 120 Engine ANSI Power Rating at 3600 rpm
4.0 Horsepower
3.0 kW
Honda GX 160 Engine ANSI Power Rating at 3600 rpm
5.5 Horsepower
4.1 kW
Honda GX 200 Engine ANSI Power Rating at 3600 rpm
6.5 Horsepower
4.8 kW
Maximum Working Pressure
3300 psi
228 bar, 22.8 MPa
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
3900 Maximum Delivery Rating
1.25 gpm
4.73 lpm
5900/5900HD Maximum Delivery Rating
1.60 gpm
6.06 lpm
7900 Maximum Delivery Rating
2.20 gpm
8.33 lpm
3900 Maximum tip size
2 guns with 0.023 in tip
2 guns with 0.023 in tip
5900/5900HD Maximum Tip Size
2 guns with 0.029 in tip
2 guns with 0.029 in tip
7900 Maximum Tip Size
2 guns with 0.035 in tip
2 guns with 0.035 in tip
Inlet Paint Strainer
12 mesh stainless steel screen, reusable
893 micron stainless steel screen, reusable
Outlet Paint Filter
60 mesh stainless steel screen, reusable
250 micron stainless steel screen, reusable
Pump Inlet Size
1–5/16–12 UN-2A
1–5/16–12 UN-2A
Fluid Outlet Size: 3900/5900
1/4 npsm from fluid filter
1/4 npsm from fluid filter
Fluid Outlet Size: 7900
3/8 npsm from fluid filter
3/8 npsm from fluid filter
Wetted Parts
zinc-plated carbon steel, PTFE, nylon, polyurethane, UHMW polyethylene, fluoroelastomer, acetal, leather, aluminum, tungsten carbide, nickel- and zinc-plated carbon steel, stainless steel, chrome plating
zinc-plated carbon steel, PTFE, nylon, polyurethane, UHMW polyethylene, fluoroelastomer, acetal, leather, aluminum, tungsten carbide, nickel- and zinc-plated carbon steel, stainless steel, chrome plating
3900 Weight
109 lb
50 kg
5900 Weight
139 lb
64 kg
7900 Weight
146 lb
67 kg
7900HD Weight
157 lb
71 kg
3900 Height
31.5 in
80.0 cm
5900 Height
32.25 in
81.9 cm
7900 Height
32.25 in
81.9 cm
7900HD Height
32.25 in
81.9 cm
3900 Width
22.25 in
56.5 cm
5900 Width
24.5 in
62.2 cm
7900 Width
24.5 in
62.2 cm
7900HD Width
24.5 in
62.2 cm
3900 Length
32.0
81.3
5900 Length
32.25
81.9
7900 Length
33.0
83.8
7900HD Length
33.0
83.8