





Erayak 4400 PSI Commercial Gas Pressure Washer - 4.2 GPM Flow • 420cc OHV Engine • Triplex Pump
Shipping, Tracking & Cancellations
Shipping Partners
Orders are shipped via UPS, DHL, FedEx or other authorized fulfillment partners, depending on your location and product availability.
Order Tracking
Once your order ships, we'll email you a tracking link. You can also View Your Orders or Track Your Package anytime.
Order Cancellations
Need to cancel? Sign in to My Account, open your order, and select Cancel items if available.
Cancellation requests may be submitted before shipment and are subject to approval. Once shipped, orders cannot be canceled. Eligible returns are covered by our Return & Refund Policy.
30-Day Returns
Shop with confidence. Eligible products may be returned within 30 days of delivery when they are unopened, unused, and in their original packaging with all included accessories.
Items that arrive damaged, defective, or incorrect are reviewed separately from standard change-of-mind returns. Our team can help determine the appropriate next steps.
To get started, request a return in My Account or contact support. Please wait for authorization before shipping anything back.
Eligibility, shipping costs and any applicable charges are governed by our Return & Refund Policy.
Warranty & Protection
Eligible new ERAYAK equipment is backed by a 3-Year Limited Factory Warranty for consumer use in the U.S. Commercial-use coverage is 6 months under the published warranty terms.
For eligible manufacturing defects, our support team can assist with troubleshooting, warranty guidance, covered replacement parts and approved repair or replacement solutions.
Optional ERAYAK Care+ protection may be available for eligible products and is separate from the included factory warranty.
Coverage levels, exclusions, claim requirements and shipping responsibilities are detailed in the Factory Warranty Terms.
Customer Support & Service
We're here to help you get the most from your ERAYAK equipment, from setup questions and product guidance to troubleshooting, replacement-part assistance and after-sales service.
For faster assistance, please have your order number, product model and serial number ready when available.
Email support@erayakpower.com, call +1 (573) 455-4565, or visit our Customer Service Center.
Warranty coverage and any parts or service charges depend on the applicable policy and product eligibility.

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

