Graco Inc.

TexSpray DutyMax GH 300DI  Gas Hydraulic Airless Sprayer

One of the most powerful hydraulic sprayers for high production contractors

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When you need maximum performance, turn to the all new TexSpray™ DutyMax™ GH™ 300DI sprayer to get the job donefast! Equipped with a long stroke, direct immersion pump, this hydraulic workhorse is built for the biggest, most demanding jobs and materials. Built for you in both Standard and ProContractor Series. 

TexSpray DutyMax GH 300DI

Standard Series sprayers come with these "Only On A Graco" features:

  • High-Efficiency Hydraulic Motor—Graco's hydraulic pump delivers rock-solid performance time after time and keeps you up and running
  • Endurance™ Pump with Max Flo™—Graco's Endurance Pump is the most rugged and reliable pump on the market today
  • High-Capacity Cooling System—A hydraulic pump is only as good as its cooling system, and Graco's innovative design allows the pump to run cooler and more efficiently
  • Honda® Engine—Compact, lightweight, and powerful, Honda engines are reliable, technologically advanced, and easy to start
  • Heavy-Duty Prime Valve—Maintenance-free design withstands high-pressure dumping
  • Indoor and Outdoor Use—Quickly swap the gas engine for an electric motor in seconds, without tools
  • Easy Out™ Pump Filter—The Easy Out pump filter is designed to filter from the inside out so filters won't get stuck or collapse when filled with dirt or debris
  • Rugged, Durable Cart Design—With a Graco sprayer, it's not just the mechanical parts that are built to last. Our carts are built to deliver years of performance
24W968, TexSpray DutyMax GH 300DI

ProContractor Series sprayers have all the features of the Standard Series, plus:

  • Extreme-Duty MaxLife® Pump—Built for the most demanding jobs and delivers unmatched durability and life
  • ProConnect™—Graco's ProConnect Pump Removal and Installation System makes it easy and fast to replace the pump
  • QuikReel™—With the integrated QuikReel, you can deploy and rewind up to 300 feet of hose in seconds, letting you put the sprayer where you want it and the gun where you need it
  • Heavy-Duty Rock Catcher—Internal design stands up to hard impacts and provides unmatched pump protection

Standard-Series-Logo

Standard Series unit includes:

  • Heavy-Duty Inline Gun
  • LTX643, WR1239 SwitchTips™ and Guard
  • 3/8 in x 50 ft (9.5 mm x 15.2 m) BlueMax™ II Airless Hose
  • 3/8 in x 3 ft (9.5 mm x 0.9 m) Whip Hose

ProContractor-Series-Logo

ProContractor Series unit includes:

  • Heavy-Duty Inline Gun
  • LTX643, WR1239 SwitchTips and Guard
  • 3/8 in x 100 ft (9.5 mm x 30.4 m) total BlueMax II Airless Hose
  • 3/8 in x 3 ft (9.5 mm x 0.9 m) Whip Hose

DutyMax GH300 Standard Series
Maximum fluid working pressure
3300 psi
22.8 MPa, 228 bar
Hydraulic reservoir capacity
1.25 gallons
4.75 liters
Maximum hydraulic pressure
1855 psi
12.8 MPa,128 bar
Engine
270 cc (9.0 HP)
270 cc (9.0 HP)
Maximum tip size
0.057
0.057
Maximum free-flow delivery
3.0 gpm
11.4 l/min
Hose connection
3/8 npsm (m)
3/8 npsm (m)
Basic sprayer wetted parts
Zinc and nickel-plated carbon steel, stainless steel, PTFE, acetal, chrome plating, leather, V-Maxt UHMWPE, stainless steel, tungsten carbide, ceramic, nylon, aluminum
Zinc and nickel-plated carbon steel, stainless steel, PTFE, acetal, chrome plating, leather, V-Maxt UHMWPE, stainless steel, tungsten carbide, ceramic, nylon, aluminum
Noise (dBa)
Maximum sound pressure
96 dBa
96 dBa
Maximum sound power
110 dBa
110 dBa
Inlet/Outlet Sizes
Fluid inlet size
1 5/16-12 UN-ZA
1 5/16-12 UN-ZA
Fluid outlet size
3/8 npt (f)
3/8 npt (f)
Weight
218 lbs
99 kg
Width
26.5 in.
67 cm
Length
47.7 in.
121 cm
Height (Handle bar retracted)
35.5 in.
90 cm

DutyMax GH300 ProContractor Series
Maximum fluid working pressure
3300 psi
22.8 MPa, 228 bar
Hydraulic reservoir capacity
1.25 gallons
4.75 liters
Maximum hydraulic pressure
1855 psi
12.8 MPa,128 bar
Engine
270 cc (9.0 HP)
270 cc (9.0 HP)
Maximum tip size
0.057
0.057
Maximum free-flow delivery
3.0 gpm
11.4 l/min
Hose connection
3/8 npsm (m)
3/8 npsm (m)
Noise (dBa)
Maximum sound pressure
96 dBa
96 dBa
Maximum sound power
110 dBa
110 dBa
Inlet/Outlet Sizes
Fluid inlet size
1 5/16-12 UN-ZA
1 5/16-12 UN-ZA
Fluid outlet size
3/8 npt (f)
3/8 npt (f)
Weight
248 lb.
112 kg
Width
26.5 in.
67 cm
Length
52 in.
132 cm
Height (Hose Reel Up)
39 in.
99 cm

OEM Kit
Paint/Hydraulic pressure ratio
1.78:1
1.78:1
Max cycle rate
145 cpm
145 cpm
User Supplied Input
Max hydraulic pressure
1855 psi
12.8 MPa,128 bar
Hydraulic flow required in free-flow
6.60 gpm
25.0 l/min
Unit Output
Max fluid Pressure
3300 psi
22.8 MPa, 228 bar
Max flow
3.0 gpm
11.4 l/min
Weight
35 lb.
15.9 kg
Width
8.94 in.
227 mm
Depth
5.38 in.
137 mm
Height
28.80 in.
732 mm