The GRACO 25N637 G-Force II 4240 HA-DD is a heavy-duty, gas-powered pressure washer designed for large residential and commercial contractors. It features a robust heavy-gauge aluminum frame for durability and corrosion resistance, and is engineered for consistent reliability and tough surface cleaning tasks.

Key Features:

• Gas-powered, direct drive pressure washer
• G-Force II 4240 HA-DD
• Heavy-gauge aluminum frame, corrosion resistant
• 4.0 gpm (15 lpm)
• 4200 psi (290 bar)
• Designed for use with standard pressure washer accessories and fittings
• Honda GX390 engine for reliable, powerful performance
• AR Triplex plunger water pump
• EZ Start pressure relief for easier starting
• Oil Alert and thermal sensor for engine and pump protection
• Direct drive design for compactness and lighter weight
• Lifetime warranty on frame
• Up to 40% lighter than steel frames
• Suitable for weekly use (20–30 hours/week)

Applications:
Ideal for large residential or commercial contractors requiring high flow and pressure for surface cleaning, including weekly maintenance and tough cleaning jobs.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and warranty coverage.
• Ensure all connections are secure before operation
• Use only recommended accessories and fittings
• Follow manufacturer guidelines for engine and pump maintenance
• Check oil levels and use proper pump oil as specified
• Store in a dry, protected environment when not in use
• Regularly inspect hoses and fittings for wear
• Change pump oil as recommended
• Clean and inspect the unit after each use
• Monitor engine and pump for signs of overheating or unusual noise