Description
The Comet AXD2527G is a high-quality, direct-drive triplex pump designed for residential and light-commercial gasoline-powered pressure washers. This pump is the industry standard for users looking to upgrade from a standard axial cam pump to a more durable, repairable triplex design.
Technical Specifications
| Feature | Specification |
| Flow Rate | 2.5 GPM |
| Max Pressure | 2700 PSI |
| Speed | 3400 RPM |
| Shaft Diameter | 3/4″ Hollow Shaft (Gas Engine) |
| Flange | Standard Small Gas Engine Mount |
| Inlet Port | 1/2″ FGH (Garden Hose) |
| Outlet Port | 3/8″ MPT or Quick Connect |
Key Features
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Direct Drive Installation: Built with a 3/4″ hollow shaft, this pump is designed to bolt directly onto common 5HP to 7HP horizontal gasoline engines (such as the Honda GC160/GC190 or Briggs & Stratton XR series).
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Built-In Unloader Valve: Features an integrated pressure regulator with an easy-to-turn knob, allowing for precise control over your cleaning power.
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Triplex Plunger Design: Unlike consumer-grade axial pumps, the AXD2527G uses a triplex plunger system which runs cooler, lasts longer, and is fully rebuildable.
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Forged Brass Manifold: The heavy-duty brass head is resistant to corrosion and high pressure, ensuring a longer lifespan than aluminum alternatives.
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Ceramic Plungers: Includes solid ceramic pistons that are highly resistant to heat and abrasion, protecting the longevity of your high-pressure seals.
Construction Highlights
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Fixed Chemical Injector: Includes a built-in downstream detergent injector, allowing you to apply soaps and cleaners easily at low pressure.
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Die-Cast Crankcase: Features an aluminum alloy crankcase with cooling fins for optimal heat dissipation.
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Double-Sealing System: Utilizes a high-efficiency sealing system to prevent oil and water leaks during intense operation.
Ideal Applications
This pump is perfectly sized for mobile cleaning tasks that require a balance of portability and power:
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Home Maintenance: Ideal for cleaning driveways, siding, and gutters.
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Vehicle Detailing: Great for washing cars, boats, and ATVs without the excessive pressure of industrial units.
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Light Commercial Use: Suitable for property managers or small businesses performing routine exterior maintenance.
Maintenance Tip: Always check the oil level via the sight glass before operation. For a new pump, it is recommended to perform the first oil change after 50 hours of use to remove any break-in debris.




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