--- product_id: 34952121 title: "Simpson Aluminum Series 3600 PSI Gas Pressure Washer, 2.5 GPM, Honda GX200" brand: "simpson" price: "$3122.48" currency: USD in_stock: true category: "Simpson" url: https://www.desertcart.us/products/34952121-simpson-aluminum-series-3600-psi-gas-pressure-washer-2-5 store_origin: US region: United States of America --- # 3600 PSI max pressure 2.5 GPM flow rate 10" pneumatic tires Simpson Aluminum Series 3600 PSI Gas Pressure Washer, 2.5 GPM, Honda GX200 **Brand:** simpson **Price:** $3122.48 **Availability:** ✅ In Stock ## Summary > 🔥 Power through grime with pro-grade precision! 💪 ## Quick Answers - **What is this?** Simpson Aluminum Series 3600 PSI Gas Pressure Washer, 2.5 GPM, Honda GX200 by simpson - **How much does it cost?** $3122.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/34952121-simpson-aluminum-series-3600-psi-gas-pressure-washer-2-5) ## Best For - simpson enthusiasts ## Why This Product - Trusted simpson brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pro-Level Power Cleaning:** 3600 PSI and 2.5 GPM deliver rapid, deep clean results that keep you ahead on every job. - • **Durable, Lightweight Frame:** Aircraft-grade aluminum resists corrosion while weighing just 78 lbs for easy transport. - • **Extended Reach & Flexibility:** 35-foot MorFlex hose is kink-resistant and abrasion-proof, letting you clean hard-to-reach spots. - • **Honda GX200 Engine Reliability:** Effortless starts and low-oil shutdown protect your investment and minimize downtime. - • **Versatile Quick-Connect Nozzles:** Five professional tips from 0° to soap cover every surface, from paint prep to delicate car washes. ## Overview The Simpson Aluminum Series ALH3425 is a professional-grade gas pressure washer featuring a robust Honda GX200 engine paired with a maintenance-free AAA triplex pump delivering 3600 PSI at 2.5 GPM. Its aircraft-grade aluminum frame ensures corrosion resistance and lightweight portability, complemented by 10" pneumatic tires for smooth mobility across job sites. Equipped with a 35-foot kink-resistant MorFlex hose and five quick-connect nozzles, this 49-state compliant cold-water washer is engineered for contractors demanding reliable, high-performance cleaning on decks, siding, equipment, and more. ## Description Built for pros, the SIMPSON Aluminum Series ALH3425 delivers 3,600 PSI at 2.5 GPM for fast, deep cleaning. Honda’s GX200 commercial engine teams with a maintenance-free AAA industrial triplex pump with PowerBoost for higher pressure at the nozzle. The aircraft-grade aluminum frame with brushed, extruded tubing resists corrosion and cuts weight, while 10" pneumatic tires roll easily over jobsite terrain. Includes a 35-ft MorFlex 5/16" high-pressure hose (non-marring, kink and abrasion resistant), ergonomic professional spray gun with safety lock-out, 16" steel wand, and 5 quick-connect nozzles (0°, 15°, 25°, 40°, soap). Threaded M22 connections speed setup; thermal relief helps prevent overheating. 49-state compliant and easy to start, this cold-water gas power washer is ideal for contractors handling deck cleaning, wood restoration, paint prep, equipment and concrete. ## Features - 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 GX200 engine starts easily & includes low-oil shutdown; 3600 PSI 2.5 GPM AAA triplex plunger pump features integrated unloader; Thermal relief prevents overheating; PowerBoost Technology delivers higher pressure at the nozzle - LONG HOSE REACH: The Simpson Morflex series 35' high-pressure hose is non-marring, flexible and abrasion-resistant; Pump/Hose Connection: Threaded M22 connection - EASY MOBILITY: 10" 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; 21" L x 24" W x 34" H; 78 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00U30KGXI | | Best Sellers Rank | #20,820 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #121 in Pressure Washers | | Brand Name | SIMPSON | | Color | Black & Red | | Customer Reviews | 4.3 4.3 out of 5 stars (563) | | Global Trade Identification Number | 00879399001352 | | Hose Length | 25 feet | | Included Components | SIMPSON Cleaning ALH3425 Aluminum Gas Pressure Washer | | Item Dimensions L x W x H | 30"L x 24"W x 21"H | | Item Highlight | Gas Power Washer For Professionals. AAA Triplex Pump, 35' Hose, 5 Nozzles, Steel Frame. 49-State Compliant. ALH3425 | | Item Type Name | Gas Pressure Washer, 2.5 GPM Commercial Power Washer, Cold Water, Honda GX200 Engine, 35' Hose, Aluminum Series, 49-State Compliant (ALH3425) | | Item Weight | 35.83 kg | | Manufacturer | Simpson Cleaning | | Manufacturer Part Number | 60689 | | Manufacturer Warranty Description | 3 year engine, 5 year pump, 10 year frame | | Maximum Flow Rate | 2.5 gpm | | Maximum Pressure | 3400 psi | | Model Number | ALH3425 | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Gas Powered | | Specification Met | CARB, 49-State Compliant | | Tank Volume | 2.5 gallons | | UPC | 879399001826 879399001352 | | Unit Count | 1 Count | ## Product Details - **Brand:** SIMPSON - **Color:** Black & Red - **Global Trade Identification Number:** 00879399001352 - **Hose Length:** 25 feet - **Item Weight:** 35.83 kg - **Maximum Flow Rate:** 2.5 gpm - **Power Source:** Gas Powered - **Product Dimensions:** 30"L x 24"W x 21"H - **Specification Met:** CARB, 49-State Compliant - **Tank Volume:** 2.5 gallons ## Images ![Simpson Aluminum Series 3600 PSI Gas Pressure Washer, 2.5 GPM, Honda GX200 - Image 1](https://m.media-amazon.com/images/I/81HRGjn+KfL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Is the pressure adjustable on this washer?.** A: Simply use a 5000 psi ball valve… You can adjust the pressure out of the tip to anything you want **Q: What is the return policy? If I return it do I have to pay shipping?** A: As far as I know you can return it without shipping cost, but I don't think you will want to, it's a great machine. **Q: How many CC is the motor** A: Hello, 196 CC's **Q: Is the pump a cat pump? why does description say aaa pump?** A: The newer ones come with a blue Colored CAT pump. Now all the pump models are the same, depends on what you ordered. Mines 4200 4gpm ## Frequently Bought Together - Simpson Cleaning 3600 PSI Gas Pressure Washer, 2.5 GPM Power Washer for Commercial Use, Honda GX200 Engine, 35-Foot MorFlex Hose, Aluminum Series, 49-State (ALH3425) - Simpson Cleaning 80143 3600 PSI Universal Turbo Pressure Washer Nozzle, 1/4-Inch Quick Connect, Hot- or Cold-Water Use, Black - Simpson Cleaning 40226 Morflex Series 3700 PSI Pressure Washer Hose, Cold Water Use, 5/16 Inch Inner Diameter, 50 Feet, Natural --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/34952121-simpson-aluminum-series-3600-psi-gas-pressure-washer-2-5](https://www.desertcart.us/products/34952121-simpson-aluminum-series-3600-psi-gas-pressure-washer-2-5) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-21*