Ideal for large commercial or industrial contractors, the G-Force II 4040 HC-DD pressure washer is Graco’s top-of-the-line direct drive unit. The premium CAT water pump and reliable Honda engine easily handles tough, all-day cleaning and surface preparation jobs.
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Premium CAT Water Pump
- The most reliable pumps in the industry
- The most durable, longest-lasting pumps available
- 2X longer life than other pumps
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Honda® Engine
- Reliable, powerful & easy-to-start
- Oil Alert shuts down engine to prevent damage if oil level drops too low
- Thermal sensor prevents pump from overheating in bypass mode
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External Pressure Unloader
- Trouble-free, adjustable pressure
- Ability to match application requirements
- Keeps water cooler and prolongs pump life
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EZ Start Pressure Relief For Easier Starting
- Allows water bypass pump to eliminate pressure build-up in the system
- No need to pull the gun trigger while starting the washer
- Standard Graco feature
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100% Heavy-Gauge Aluminum Frames
- Up to 40% lighter than steel frames
- Corrosion resistant to water and chemicals
- Standard on all Graco models
- Lifetime Warranty
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Direct Drive
- Compact design with fewer components and lighter weight
- Pump is connected directly to the drive shaft of the engine
- Pump rpm matches that of the engine (usually around 3500 rpm)
Technical Specifications
| Engine Brand | Honda |
|---|---|
| Engine Model | GX390 |
| Fuel Tank Capacity (qt) | 6.9 |
| Hose Inlet Diameter (in) | 3/8 |
| Hose Length (ft) | 50 |
| Includes | Professional-Grade Pressure Washer Spray Gun with Quick Connects, 36 in Pressure Washer Wand with Quick Connect, 3/8 in x 50 ft Non-Marking Pressure Washer Hose, 4 ft Chemical Injector Hose with Strainer, 0° Red Pressure Washer Tip, 15° Yellow Pressure Washer Tip, 25° Green Pressure Washer Tip, 40° White Pressure Washer Tip, Black Chemical Pressure Washer Tip |
| Maximum Flow Rate (GPM) | 4 |
| Maximum Fluid Pressure (psi) | 4000 |
| Maximum Operating Temperature (°F) | 145 |
| Maximum Working Pressure (MPa) | 27.6 |