The Dapper Supply 4350 PSI Gas Pressure Washer is a high-output cold water machine built for heavy-duty commercial cleaning. It delivers 4350 PSI at 5.0 GPM for 21,750 cleaning units, giving you the force to strip grime, grease, and stubborn buildup fast.
Power comes from an 11.8 HP (420cc) gas engine with electric start, throttle control, and low oil shutdown, paired with a water-cooled triplex ceramic plunger pump and direct drive for long-lasting, consistent performance. A gun shut-off unloader reduces heat and wear during use.
The complete kit includes a 50 ft high-pressure hose rated to 7250 PSI, a 48-inch spray wand with professional gun and lance, and 0, 15, 25, and 40 degree quick-connect nozzles. A heavy-duty powder-coated carbon steel frame and flat-free 9.5-inch wheels keep the unit stable and mobile on the jobsite. It is EPA certified and ready for demanding work.
What's Included:
- 4350 PSI gas pressure washer with 11.8 HP engine and triplex pump
- 50 ft high-pressure hose and 48-inch spray wand with gun and lance
- 4 quick-connect nozzles, water inlet hose, inlet filter, and hose hook holder
Features
Maximum Cleaning Power
Delivers 4350 PSI at 5.0 GPM for 21,750 cleaning units to handle heavy-duty commercial jobs.
11.8 HP Gas Engine
An 11.8 HP (420cc) gas engine with electric start, throttle control, and low oil shutdown provides dependable power for up to a 4-hour runtime.
Triplex Ceramic Pump
A water-cooled triplex ceramic plunger pump with direct drive and gun shut-off unloader delivers consistent performance with reduced heat and wear.
Complete Spray Kit
Includes a 50 ft high-pressure hose, a 48-inch spray wand, and 0, 15, 25, and 40 degree quick-connect nozzles for versatile cleaning.
High-Rated Hose
The 50 ft high-pressure hose is rated to 7250 PSI with 176 degree F temperature resistance for tough use.
Rugged Steel Frame
A heavy-duty powder-coated carbon steel frame resists corrosion and supports the unit on demanding jobsites.
Flat-Free Wheels
Solid 9.5-inch flat-free wheels move the machine easily across any surface.
Quick-Connect Fittings
Standard 3/8-inch quick-connect fittings with a 24mm water inlet and 17mm outlet make accessory changes simple.
Built-In Safety Systems
A pressure relief valve and emergency shutoff system support safe, controlled operation.
EPA Certified
The unit is EPA certified and backed by a 1-year parts and labor warranty.
What's Included
Included with Your Purchase:
- 4350 PSI cold water gas pressure washer
- 50 ft high-pressure hose rated to 7250 PSI
- 48-inch spray wand with professional spray gun and lance
- 4 quick-connect nozzles (0, 15, 25, and 40 degrees)
- Water inlet filter
- 2M water inlet hose
- Hose hook holder
Specifications
| Pressure |
4350 PSI |
| Water Flow |
5.0 GPM |
| Cleaning Units |
21,750 |
| Engine |
11.8 HP (420cc) gas, electric start |
| Runtime |
Up to 4 hours |
| Pump |
Triplex ceramic plunger, direct drive, water-cooled |
| Hose |
50 ft, rated to 7250 PSI |
| Hose Temp Resistance |
176 degrees F |
| Spray Wand |
48 inches with gun and lance |
| Nozzles |
0, 15, 25, 40 degree quick-connect |
| Frame |
Powder-coated carbon steel |
| Wheels |
9.5 in. flat-free |
| Fittings |
3/8 in. quick-connect |
| Water Inlet / Outlet |
24mm inlet / 17mm outlet |
| Safety |
Pressure relief valve, emergency shutoff |
| Certification |
EPA certified |
| Warranty |
1 year parts and labor |
FAQ
Q: How much cleaning power does this washer have?
A: It produces 4350 PSI at 5.0 GPM, equal to 21,750 cleaning units, for heavy-duty commercial cleaning.
Q: What engine does it use?
A: It is powered by an 11.8 HP (420cc) gas engine with electric start, throttle control, and low oil shutdown.
Q: What nozzles are included?
A: It comes with 0, 15, 25, and 40 degree quick-connect nozzles, plus a 48-inch wand and professional gun and lance.
Q: How long is the pressure hose?
A: The high-pressure hose is 50 ft long and rated to 7250 PSI with 176 degree F temperature resistance.
Q: Is it built for jobsite use?
A: Yes. It has a powder-coated carbon steel frame and solid 9.5-inch flat-free wheels for stability and mobility.
Shipping
Processing time: Orders are processed within 1 business day.
Delivery time: Most orders arrive within 3 to 5 business days after processing.
Shipping cost: Free shipping is included on this item.
Once your order leaves the warehouse you will receive tracking information by email. These windows are estimates, not guarantees, and occasional delays can happen for reasons outside our control.
Returns & Refunds
Returns: You may return your product within 30 days of delivery. Items must be like new and undamaged, with all original packaging and accessories.
Restocking fee: Returns are subject to a 20% restocking fee, and the customer covers return shipping costs.
Cancellations: Orders must be cancelled within 24 hours to avoid a 3% merchant processing fee. Once an order has shipped, a cancellation is handled as a standard 30-day return.
Warranty
This Dapper Supply machine is covered by a 1-year parts and labor warranty backed by U.S.-based support. The warranty protects against defects in materials and workmanship under normal use. It does not cover damage from misuse, accidents, unauthorized repairs, or the normal wear of consumable parts. To start a claim, contact us with your order number and a short description of the issue, and we will arrange parts, service, or a replacement.
