The Dapper Supply 4350 PSI Hot Water Gas Pressure Washer delivers 5.0 GPM and 21,750 cleaning units for powerful commercial cleaning of grease, oil, and heavy buildup. Powered by an 11.8 HP (420cc) gas engine with electric start, it is built for demanding jobsite use.
A water-cooled triplex plunger pump with direct drive ensures consistent pressure and long-term durability, while the diesel burner heats water up to 194 degrees F (204,720 BTU) for deep grease and oil removal. The unit includes a 50 ft high-pressure hose rated to 8,700 PSI, an insulated wand, a long lance gun, and quick-connect nozzles in 0, 15, 25, and 40 degree angles for versatile cleaning.
Built on a heavy-duty powder-coated steel frame with 9.5-inch flat-free wheels, it is designed for rugged mobility. Safety features include thermal protection, pressure relief, and an emergency shutoff. CE certified and made for commercial applications like construction, fleet, and equipment cleaning.
What's Included:
- Hot water gas pressure washer with 11.8 HP engine and triplex plunger pump
- 50 ft high-pressure hose rated to 8,700 PSI
- Insulated wand, long lance gun, and four quick-connect spray tips
Features
4350 PSI at 5.0 GPM
The washer delivers 4350 PSI and 5.0 GPM for 21,750 cleaning units, suited to heavy-duty commercial cleaning.
Hot Water up to 194 Degrees F
A 204,720 BTU diesel burner heats water up to 194 degrees F (90 degrees C) to break down grease and oil faster.
Extended Fuel Capacity
A 6.6-gallon fuel tank with approximately 0.55 GPH fuel consumption supports extended runtime on the jobsite.
Water-Cooled Triplex Pump
The water-cooled triplex plunger pump with direct drive provides durability and stable pressure during long sessions.
11.8 HP Gas Engine
An 11.8 HP (420cc) gas engine with electric start and low-oil shutdown protection powers demanding outdoor commercial work.
50 Ft High-Pressure Hose and Wand
The 50 ft hose is rated to 8,700 PSI and pairs with an insulated wand and long lance gun for safe, versatile reach.
Four Quick-Connect Spray Tips
Included 0, 15, 25, and 40 degree spray tips cover a wide range of cleaning applications.
Heavy-Duty Mobile Frame
A heavy-duty powder-coated steel frame rides on 9.5-inch flat-free wheels for stable mobility around the jobsite.
Standard Quick-Connect Fittings
A 3/8-inch quick-connect system with standard inlet and outlet fittings keeps the washer compatible with common accessories.
Built-In Safety Systems
Integrated pressure relief, thermal protection, and an emergency shutoff support safe operation, and the unit is CE certified.
What's Included
Included with Your Purchase:
- 4350 PSI hot water gas pressure washer with 11.8 HP (420cc) engine
- Water-cooled triplex plunger pump with direct drive
- 204,720 BTU diesel burner with 6.6-gallon fuel tank
- 50 ft high-pressure hose rated to 8,700 PSI
- Insulated wand and long lance gun
- Four quick-connect spray tips (0, 15, 25, 40 degrees)
- 1-year parts and labor warranty
Specifications
| Pressure |
4350 PSI |
| Flow Rate |
5.0 GPM |
| Cleaning Units |
21,750 |
| Max Water Temperature |
194 degrees F (90 degrees C) |
| Burner Output |
204,720 BTU diesel |
| Fuel Tank |
6.6 gallons |
| Fuel Consumption |
Approx. 0.55 GPH |
| Engine |
11.8 HP (420cc) gas, electric start |
| Pump |
Water-cooled triplex plunger, direct drive |
| Hose |
50 ft, rated 8,700 PSI |
| Temperature Resistance |
320 degrees F |
| Spray Tips |
0, 15, 25, 40 degrees |
| Connections |
3/8 inch quick connect |
| Wheels |
9.5 inch flat-free |
| Noise Level |
95 dB |
| Certification |
CE certified |
| Warranty |
1-year parts and labor |
FAQ
Q: How hot does the water get?
A: The 204,720 BTU diesel burner heats water up to 194 degrees F (90 degrees C) to cut through grease and oil.
Q: What powers the pump?
A: An 11.8 HP (420cc) gas engine with electric start drives a water-cooled triplex plunger pump for stable, durable performance.
Q: What is included for cleaning reach?
A: It includes a 50 ft high-pressure hose rated to 8,700 PSI, an insulated wand, a long lance gun, and four quick-connect spray tips.
Q: Is this washer suitable for commercial outdoor use?
A: Yes. It is CE certified, built on a powder-coated steel frame with flat-free wheels, and designed for construction, fleet, and equipment cleaning.
Q: How long can it run on a tank of fuel?
A: The 6.6-gallon fuel tank with approximately 0.55 GPH consumption supports extended runtime between refuels.
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.
