Enter your e-mail address below to receive power washing tips, business ideas, deals, and more in your inbox each week!

Online Form Creator
Comet HWD 5540 G Gas Flange Hollow Shaft Pressure Washer Pump

Availability: In stock



Designed as a popular replacement for medium duty Industrial Pressure Washers, the HW Series of Pumps feature a reversible crankcase for easy right- or left-handed mounting. They also feature Hardened Stainless Steel Piston Guides, Highly Efficient Stainless Steel Check Valves, HW Series Pumps boast a 5-Year Warranty from Comet.

All Comet HW Series pumps include:

  • Hardened Stainless Steel Piston Guides
  • Highly Efficient Stainless Steel Check Valves
  • Solid Ceramic Plungers
  • High & Low Pressure Seals: High Quality Buna-Textile Packings
  • Additional Anti-Extrusion Ring Under the Seal
  • Solid Brass Manifolds
  • Special Forged Brass Oversized Connecting Rods
  • Die-Cast, Anodized Aluminum Crankcase
  • High Quality Tapered Roller Bearings
  • Optimal Oil Bath for High Speed Operation
  • 5-Year Pump Warranty


  • Gas Engine Flange
  • 1" Hollow Shaft
  • 3400 RPM
  • 5.3 GPM
  • 4000 PSI
  • 18mm Piston
  • Inlet: 1/2" FPT
  • Outlet: (Discharge) 3/8" FPT
  • Approximate Weight: 22.5 lbs.

Additional Information

SKU 6405.0400.00