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.
With features that enable you to work more efficiently and finish jobs faster, DutyMax HD ProContractor Series gas hydraulic airless sprayers spray a wide range of materials – from latex and acrylics to more heavy duty materials like plasters, elastomerics, fire retardants and liquid roofing solutions.
Extreme-Duty Endurance MaxLife Pump
Lasts 6X longer between repacks
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
ProConnect 2 One-Part Pump Replacement System
Eliminate Costly Downtime
Swap your pump in less than 1 minute – with no tools, pins or parts to lose
QuikReel Hose Management System
Easy hose management
Deploy and rewind up to 300 feet (90 meters) of hose in seconds
No twisting, kinking, and coiling
Use only the hose you need — the rest stays on the reel
Crushproof Inlet Strainer
Improved Filtration
Stands up to harsh impacts
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
Additional Features
Heavy-Duty Prime Valve
Durable Cart Design