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Hennes Johnson HJ4520
Hennes Johnson HJ4520 Hennes Johnson HJ4520 Hennes Johnson HJ4520

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Hennes Johnson

The 4520 Cold Process Sprayer from Hennes-Johnson represents the Roofing Industry standard for the airless application of Modified Bitumen Adhesives, Elastomeric Coatings, and Waterproofing Emulsions. 


  • 20 hp Honda V-Twin gasoline engine with electric start, low oil shut-down, full pressure lubrication, 
    and side discharge exhaust system. 
  • Quick displacement pump change out ability for increased versatility. 
  • Easy to use dashboard controls with multi function pressure gauge.
  • 12 volt DC component access port for instant power link to in-line heating unit.
  • “No Creep” positive lift cylinder lock. 
  • Full 2" intake tube with large flow capacity inlet screen.
  • Auxiliary access port to quickly add hydraulic mixers, hydraulic powered hose reels, or hydraulic transfer pumps