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