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Simpson Aluminum Series 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda GX390
✅ In stock
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Grade
Analysis Confidence
23%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 25, 2026 6:48 PM · Prices & availability subject to change
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📝 Product Overview
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Product Details
✓SIMPSON PRESSURE WASHER FOR PROFESSIONALS: The Simpson Aluminum Series gas power washer cleans decks, driveways, siding, fencing, equipment, and graffiti; The cold water machine is great for contractors; 49-State Compliant (Not for sale in California)
✓ENGINE & PUMP: HONDA GX390 engine starts easily & includes low-oil shutdown; 4200 PSI 4.0 GPM CAT triplex plunger pump includes thermal relief to prevent overheating; Advanced oil seal technology & ceramic coated pistons extend seal life
✓LONG HOSE REACH: The Simpson Monster series 50' dual-braided high-pressure hose resists kinks and abrasion; Non-marring polyurethane jacket helps protect finished surfaces; Threaded M22 pump/hose connection
✓EASY MOBILITY: 13" premium pneumatic tires roll smoothly over gravel, grass, and curbs; Balanced layout improves transport; Aircraft grade aluminum frame with powder-coated finish is easy to assemble and resists corrosion; 38" L x 23.5" W x 29" H; 133 lb
✓PRO PRESSURE WASHER ACCESSORIES: Five quick-connect pressure washer tips (0°, 15°, 25°, 40°, and soap nozzle) cover tasks from stripping paint to car cleaning; Professional QC spray gun with safety lock-out and 16" spray wand included
⚙️ Specifications
Brand
SIMPSON
Power Source
Gasoline
Color
Red
Item Weight
124 pounds
Hose Length
50 inches
Product Dimensions
38"L x 23.5"W x 29"H
Tank Volume
2.5 gallons
Maximum Flow Rate
4 gpm
Global Trade Identification Number
00879399001345
Maximum Pressure
4200 psi
Item Dimensions L x W x H
38"L x 23.5"W x 29"H
