Erayak 4400 PSI Commercial Gas Pressure Washer - 4.2 GPM Flow • 420cc OHV Engine • Triplex Pump
3-Year Factory Warranty
Consumer-use products are backed by Erayak factory warranty protection.
90-Day Zero-Cost Repair
For qualified manufacturing defects, Erayak covers parts, labor, and round-trip domestic shipping.
30-Day Return Window
Request a return within 30 days after delivery when the item meets return-policy conditions.
Factory-Direct Support
Get video diagnosis, technical guidance, and replacement-part assistance when support is needed.
Coverage depends on product condition, issue type, and policy eligibility. Warranty details · Return policy
4400 PSI Power for Heavy-Duty Cleaning Jobs
The Erayak 4400 PSI Commercial Gas Pressure Washer is built for contractors, fleet maintenance, concrete cleaning, farms, outdoor equipment, and demanding job-site washdowns. With a 420cc heavy-duty OHV engine, 4.2 GPM water flow, and a commercial triplex pump, it delivers the pressure and volume needed to clean faster and work longer.
From Heavy Grime to Clean Surfaces
See how the Erayak 4400 PSI commercial pressure washer handles demanding job-site cleaning: heavy buildup, high-flow rinsing, long work days, and multiple commercial applications.
The ERAYAK Engineering Advantage
This pressure washer is designed around the key components professionals care about most: engine power, pump durability, frame protection, mobility, and complete job-ready accessories.
420cc Heavy-Duty OHV Engine
The high-displacement 420cc OHV engine provides reliable gas power for demanding cleaning work, including concrete, vehicles, equipment, and outdoor surfaces.
Commercial Triplex Pump
The triplex pump system is built for high-pressure output and demanding work cycles, helping support longer service life under professional use.
Steel Roll-Cage Frame
The low-profile steel frame helps protect vital components and improves stability when working around job sites, driveways, farms, and workshops.
Oversized Job-Site Wheels
Rugged oversized wheels help the unit move across rough surfaces, wet concrete, gravel, mud, and uneven outdoor terrain.
Made for More Than Driveways
With 4400 PSI pressure and 4.2 GPM flow, this machine is suitable for homeowners who need serious power and professionals who need faster, repeatable cleaning results.
Fleets & Vehicles
Remove road grime, mud, grease, and buildup from trucks, trailers, service vehicles, and work equipment.
Concrete & Driveways
Clean stained driveways, sidewalks, parking areas, concrete pads, and other hard outdoor surfaces.
Construction Equipment
Blast away caked-on mud, dirt, dust, and debris from job-site machinery and heavy-use tools.
Farms & Outdoor Surfaces
Clean barns, fences, trailers, outdoor slabs, machinery, and agricultural surfaces with serious power.
What’s in the Box?
Everything needed to start professional cleaning work after setup and proper engine preparation.
- 1x ERAYAK 4400 PSI Commercial Gas Pressure Washer
- 1x Industrial High-Pressure Spray Gun
- 1x 50ft Heavy-Duty Steel-Braided High-Pressure Hose
- 5x Quick-Connect Nozzles: 0°, 15°, 25°, 40°, and Soap
- 1x Spark Plug Tool
- 1x Premium Oil Funnel
- 1x Heavy-Duty Low Profile Wheel & Handle Cage Kit
- 1x Comprehensive User Manual