Graco DutyMax GH 300 Heavy Duty 3-in-1 ProContractor Series Gas Hydraulic Airless Sprayer

The DutyMax GH 300 HD ProContractor Series is built for contractors who need maximum productivity and durability on the toughest jobs. Designed to handle a wide range of materials, including latex, acrylics, plasters, elastomerics, fire retardants, and liquid roofing solutions, this sprayer makes large-scale projects faster and easier. Its hydraulic system provides smooth, consistent power for superior spraying performance, while the Extreme-Duty Endurance MaxLife Pump lasts up to six times longer between repacks, reducing downtime and maintenance costs. The MaxFlo 2 system ensures clog-free spraying for uninterrupted productivity, and the Easy Out Pump Filter simplifies cleaning and minimizes tip clogs. A high-capacity cooling system keeps the pump running cooler and quieter for longer life, while the rugged cart design ensures durability and easy mobility on tough job sites. Powered by a reliable Honda engine, this sprayer delivers exceptional strength for demanding applications. Additional features like the ProConnect 2 system for quick pump replacement, QuikReel hose management for fast setup and cleanup, and heavy-duty prime valve make this sprayer ideal for professionals who need efficiency and performance. For contractors looking to work smarter, finish more jobs, and tackle the heaviest coatings with confidence, the DutyMax GH 300 HD is the ultimate solution.

• Built for contractors who need maximum productivity and durability
• Handles latex, acrylics, plasters, elastomerics, fire retardants, and liquid roofing materials
• Hydraulic system delivers smooth, consistent power for superior spraying performance
• Extreme-Duty Endurance MaxLife Pump lasts up to six times longer between repacks
• MaxFlo 2 system prevents clogs and keeps material flowing
• Easy Out Pump Filter simplifies cleaning and reduces tip clogs
• High-capacity cooling system ensures efficient, quiet operation and reduced downtime
• ProConnect 2 system allows quick pump replacement without tools
• QuikReel hose management simplifies setup and cleanup
• Rugged cart design provides durability and easy mobility