Pressure Washer, PowerBoss ™, 3800 PSI, 4.0 GPM


$1139.99 EA

The PowerBoss ™ 3800 PSI pressure washer comes equipped with a HONDA ™ engine, a professional grade triplex plunger pump, 50 ft. of steel-reinforced hose and 5 spray tips so you can pressure wash like a professional. The pressure washer does have a pressure regulator to adjust the pressure for each job.

Availability: In Stock -
Ships via motor freight service.

Pressure wash like a pro. This pressure washer by PowerBoss ™ is designed to provide 3800 PSI and 4.0 GPM; however, it is equipped with an adjustable pressure regulator to regulate the pressure coming from your pump. The pressure washer is powered by a HONDA ™ GX OHV engine for reliability. The pump is a professional grade triplex plunger pump designed for high-pressure output.

The pressure washer has a 50-ft. steel-reinforce hose for long life and extended reach. The hose is equipped with quick connects for easy attachment. The pro-style quick connect spray nozzle comes with 5 pro-style tips for specific spray patterns.


  • PowerBoss ™ Model 020454
  • Engine: HONDA ™ GX390 OHV 390 cc
  • Pressure rating: 3800 PSI
  • Flow rate: 4.0 GPM
  • Pump: Triplex plunger
  • Fuel capacity: 1.725-gallons
  • Adjustable pressure regulator
  • Pro-style quick connect spray nozzle with 5 nozzles
  • Hose: 3/8 in. diameter, 50 ft. long
  • Detergent injection system
  • Wheels: 13 in. pneumatic
  • Weight: 150 lb.


Shipping Information

Your order is important to us and we will strive to process it as quickly as possible. Most in-stock items are shipped within 2-4 business days and typically deliver in 5-7 business days. In-stock items may ship from multiple locations and can arrive on separate days. Heavy or bulky items will ship via Freight/Truck Service and will take 8-10 business days for delivery. For those immediate product needs, we do offer at an additional cost, express service from UPS and Motor freight.

Shipping costs are determined by item weight and your zipcode. Once you have entered your shipping address, city, state, and zip code into checkout, your shipping total will be calculated and available for review. Please see the shipping map below as a guide.

Return Information

Your satisfaction is our priority. If for any reason you are not satisfied with a purchase from Agri Supply, we will gladly refund your money, or exchange the item, or fix it should it break. A minimum one-year warranty applies to all non-perishable items, parts and service from Agri Supply, and all hand tools sold by Agri Supply have a lifetime warranty, regardless of the length of the manufacturer's warranty. See our Agri Supply Guarantee for more details.

To return an item... give us a call at 1-800-345-0169, or visit one of our 8 retail stores near you, and one of our friendly customer service representatives, or store employees, will be glad to assist you.

If you have any questions please contact our Customer Service representatives at 1-800-345-0169

Standard UPS Ground Shipping Map -
UPS Ground
The above shipping chart applies to UPS ground shipments to the 48 contiguous states only. Please call 1-800-345-0169 for timing on shipments to Alaska, Hawaii, and Puerto Rico, thank you!

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