Graco (24W968) DutyMax GH 300 HD 3-in-1 ProContractor

When your job demands maximum productivity and versatility, choose the DutyMax GH 300 HD sprayer to get the work done — fast! This hydraulic workhorse, equipped with higher power and a long-stroke direct-immersion pump, is built for the largest and most demanding jobs and materials.

Thanks to features that let you work more efficiently and finish jobs faster, DutyMax HD ProContractor series gasoline-powered hydraulic airless sprayers can spray a wide range of materials — from latex and acrylic paints to heavier materials such as plasters, elastomeric coatings, fire retardants, and liquid roofing materials.

Extreme-Duty Endurance MaxLife pump
Lasts up to 6× longer between services
Better spray performance and faster cleaning
Includes long-life ceramic and stainless steel balls for maximum versatility

High-efficiency hydraulic motor
Finish jobs faster
Fast, responsive changeover
Less maintenance and longer service life thanks to fewer moving parts
100% O-ring sealed connections prevent leaks

High-capacity cooling system
Less downtime
Innovative design keeps the pump cooler and more efficient and ensures very quiet operation
Easier and more thorough fluid changes
Reservoir cooling fins dissipate more heat

Honda® GX engine
Reliable, powerful, and easy to start
Oil Alert system shuts down the engine when the oil level drops too low, preventing damage

ProConnect 2 one-piece pump replacement system
Avoid costly downtime
Replace the pump in less than 1 minute — with no tools, pins, or loose parts to lose

QuikReel hose management system
Easy hose handling
Unroll and rewind up to 90 meters of hose in seconds
No twisting, kinking, or manual winding
Use only the hose length you need — the rest stays on the reel

Shatterproof inlet filter
Better filtration
Withstands heavy impacts

Easy Out pump filter
Easy maintenance and fewer clogs
Large filtration area ensures easier cleaning and fewer tip clogs, delivering a high-quality finish
Won’t collapse or stick thanks to the inside-out filtration process