





Erayak 4400 PSI Commercial Gas Pressure Washer - 4.2 GPM Flow • 420cc OHV Engine • Triplex Pump
Shipping, Tracking & Cancellations
U.S. Fulfillment Network
Eligible orders ship from available U.S. inventory through our logistics partners. We are expanding warehouse partnerships in key regions, including California, Texas, Illinois, Pennsylvania and Georgia. The actual dispatch location depends on the item, stock and destination; not every location handles every product.
Shipping Carriers
Depending on the order, delivery may be handled by UPS, DHL, FedEx or another authorized carrier.
Marketplace Fulfillment Options
Selected orders may be fulfilled using Amazon Multi-Channel Fulfillment (MCF) or Walmart-related fulfillment services where supported. These are fulfillment options, not additional shipping carriers.
Buy with Prime is available only where its checkout option appears on an eligible product; applicable Prime benefits and fulfillment terms are shown during that checkout.
Order Tracking
When your order ships, tracking information will be sent to the email used at checkout. You can also view your orders or track your package online. Some orders may arrive in separate shipments.
Order Changes & Cancellations
Need to cancel? Sign in to My Account, open your order and select Cancel items if that option is available. Requests made before shipment are subject to approval; once shipped, orders cannot be canceled.
Eligible returns follow our Return & Refund Policy. For shipping regions, exclusions and delivery estimates, see our Shipping Policy.
Need help quickly? Use the “Ask anything” chat assistant on this page for shipping information and help finding your tracking details. For verified order status, use your account or tracking link.
30-Day Returns
Shop with Confidence
Eligible products may be returned within 30 days of delivery when unopened, unused and in their original packaging with the included accessories, subject to our published return terms.
Items received damaged, defective or incorrect are reviewed separately from standard change-of-mind returns. Our support team will advise on the appropriate next steps.
Start a Return
Request a return through My Account or contact our support team. Please obtain return authorization before sending an item back. Eligibility, return shipping charges and other conditions are explained in our Return & Refund Policy.
Warranty & Protection
Included Factory Warranty
Eligible new ERAYAK equipment is backed by a 3-Year Limited Factory Warranty for U.S. consumer use. Commercial-use coverage is 6 months, subject to the applicable product and warranty terms.
For eligible manufacturing defects, our team provides troubleshooting, warranty guidance and covered parts or approved service solutions. Coverage varies by claim type and warranty period.
Optional Product Protection
On eligible products, an additional protection plan may be available from the provider identified in the purchase options. Optional coverage is separate from the included ERAYAK factory warranty; its price, duration, exclusions and claims process are governed by the selected plan's terms.
Review the full Factory Warranty Terms before making a claim or purchasing additional protection.
Customer Support & Service
Open the chat assistant on this page for product specifications, model comparisons, setup guidance, shipping policies and order-tracking instructions. For account-specific decisions or warranty claims, our support team is available to assist.
Personal Support When You Need It
Our team can assist with technical troubleshooting, warranty requests, replacement-part questions, order issues and after-sales service. Contact us through any of the following channels:
For faster support: Please include your order number, product model and serial number when available. Photos or videos can help with technical or warranty questions.
Warranty eligibility, replacement parts and service charges are subject to the applicable policy and claim review.

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

