SIMPSON
SIMPSON 4200 PSI 4.0 GPM Gas Pressure Washer, Honda GX390
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Delivered in 5-7 business days Details
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Ships via FedEx or UPS · Free returns within 30 days
A professional-grade aluminum-frame pressure washer for contractors and heavy-duty jobs: decks, fleets, equipment and paint prep. Powered by a Honda GX390 and an industrial triplex pump.
- 4200 PSI at 4.0 GPM
- Honda GX390 engine
- Industrial triplex plunger pump
- Aircraft-grade aluminum frame, 50 ft steel-braided hose
- Brand
- SIMPSON
- Flow
- 4.0 GPM
- Hose
- 50 ft steel-braided
- Pump
- Industrial triplex plunger
- Frame
- Aircraft-grade aluminum
- Engine
- Honda GX390
- Pressure
- 4200 PSI
- Shipping restriction
- Not available in California
Orders are delivered in 5-7 business days via FedEx or UPS, and you get a tracking link by email as soon as yours ships.
Returns are free within 30 days of delivery if the item is unused and in its original packaging.
- When will my order arrive?
- Orders are delivered in 5-7 business days. The "Get it by" dates above are counted from today.
- Which carriers do you use?
- We ship with FedEx or UPS. You get a tracking link by email as soon as your order ships.
- Can I return this item?
- Yes. Returns are free within 30 days of delivery, as long as the item is unused and in its original packaging.
- Which payment methods do you accept?
- We accept Visa, Mastercard, American Express and Apple Pay, all through a secure, encrypted checkout.
Key features
- 4200 PSI
- 4.0 GPM flow
- Honda GX390 engine
- Aluminum frame
Watch it in action
Blast away years of grime
4200 PSI at 4.0 GPM strips dirt, oil and mildew from concrete, siding and equipment in a fraction of the time.
- Honda GX390 engine
- Industrial triplex pump
- 50 ft steel-braided hose
See it in action
How SIMPSON 4200 PSI 4.0 GPM Gas Pressure Washer, Honda GX390 fits into everyday life.

01
Contractor-level power
4200 PSI and 4.0 GPM clean faster on concrete, siding, decks and equipment.
- 4200 PSI at 4.0 GPM
- Honda GX390 engine

02
Built for daily use
The industrial triplex pump and aluminum frame are made for the jobsite.
- Industrial triplex plunger pump
- Aircraft-grade aluminum frame, 50 ft steel-braided hose

Delivery
Free delivery, right to your door
Order today and get it in 5-7 business days, shipped free.
Free shipping
On every order, no minimum.
Delivered in 5-7 business days
Straight to your door, anywhere in the US.
Free 30-day returns
Not happy with it? Send it back.
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