Features
When your job requires maximum productivity and versatility, turn to the DutyMax GH 300 HD sprayer to get the job done—fast! Equipped with more power and a long stroke, direct immersion pump, this hydraulic workhorse is built for the biggest, most demanding jobs and materials.
Graco’s Standard Series of DutyMax HD gas hydraulic direct-immersion sprayers deliver everyday reliability and performance while easily handling the widest range of tip sizes, longer hose lengths more heavy duty materials such as plasters, elastomerics, fire retardants and liquid roofing solutions.
Endurance Pump
The Most Reliable Pump
Lasts 2X longer than the next brand
Better spraying performance and fast cleaning
Long Life ceramic and stainless steel balls included for maximum versatility
MaxFlo 2 with Pack-Out Protection
Less Pack-Out, More Productivity
Self-cleaning Vibra-Seal Technology eliminates material build-up
Continuous spraying with True Pack-Out Protection for more productivity
Optimized fluid passageways for the heaviest coatings
High-Efficiency Hydraulic Motor
Finish Jobs Faster
Fast, responsive changeover
Less maintenance and longer life with fewer moving parts
100% O-ring sealed fittings prevent leaks
High-Capacity Cooling System
Reduced Downtime
Innovative design allows the pump to run cooler and more efficiently with extremely quiet operation
Easier and more thorough fluid changes
Reservoir cooling fins deflect more heat
Honda® GX Engine
Reliable, Powerful & Easy-to-Start
Oil Alert shuts down engine to prevent damage if oil level drops too low
Easy Out Pump Filter
Easy Maintenance & Less Clogging
Large filtering area for easier cleaning & fewer tip clogs ensure a quality finish
Won’t collapse or get stuck with inside out filtering process
Heavy-Duty Prime Valve
High-Pressure Dumping Capability
Maintenance-free design
Durable Cart Design
Rugged and Easy-to-Maneuver
Withstands the tough jobsite conditions while absorbing impacts and vibrations
Retractable handle doubles as coiled hose storage