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Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX
Built to Cat Pumps industry-leading quality standards, the 4DNX provides hours of trouble-free service that pays off over the life of the pump.
Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX
Item #: 30079998

Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX

Item #: 30079998

€ 715

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Built to Cat Pumps industry-leading quality standards, the 4DNX provides hours of trouble-free service that pays off over the life of the pump.
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What Stands Out

High Pressure
Delivers an impressive 3000 PSI, enabling powerful cleaning for tough stains and dirt on various surfaces, making it ideal for both residential and professional use.
Flow Rate
With a flow rate of 2.7 GPM, this pump provides efficient water usage, ensuring fast cleaning without sacrificing performance, perfect for saving time while achieving excellent results.
Durability
Built with high-quality materials, the Cat Pumps 4DNX ensures long-lasting performance and reliability, reducing maintenance costs and downtime compared to competitors in the market.

Product Details

Find the best deals on Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX at Ubuy Ireland. Get high-quality pressure washer pumps for your cleaning needs.
  • Concentric, high-density, polished, solid ceramic plungers for extended seal life
  • Integral unloader valve with built-in by-pass for pressure control and safety
  • Fixed chemical injector for cleaning flexibility
  • Direct Drive - 2.7 GPM – 3,000 PSI, Max. Liquid Temperature 140° F
  • High-quality compact pump designed for gas engine driven pressure washers
  • Built to industry-leading quality standards for longer-life and dependable service
Power Sourcemanual, gasoline, corded_electric, Gasoline or Electric Engine
Flow Rate2.7 gpm
ColorBlack
Product StyleDirect Drive Plunger Pumps
Item Weight4.9 kg
Material TypeBrass
Brand NameCAT Pumps
Model Number4DNX27GSI
ManufacturerCat Pumps
Unit Count1 Count
Specific Uses For ProductPressure washing, surface cleaning, home maintenance, construction site cleaning
Manufacturer Part Number4DNX27GSI
BrandCAT Pumps
MaterialBrass
StyleDirect Drive Plunger Pumps
Maximum Flow Rate2.7 gpm
Number of Items1

Who Should Buy?

Suitable For
  • Heavy-Duty Cleaning

    Ideal for users needing robust cleaning power for stubborn stains on driveways, decks, and vehicles.

  • Commercial Use

    Perfect for businesses requiring reliable performance for regular, intensive cleaning tasks in various environments.

  • DIY Enthusiasts

    Great for home improvement projects requiring effective pressure washing, providing professional results with ease.

Not Suitable For
  • Light Cleaning

    Not suitable for users needing a lightweight solution for minor cleaning tasks like casual garden furniture.

Product Description

Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX

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Product Buying Guide

The Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX is a premium high-quality pump designed for gas engine driven pressure washers. It boasts industry-leading quality standards, making setup and use easy while providing hours of trouble-free service. With features such as solid ceramic plungers, integral unloader valve, and fixed chemical injector, it offers exceptional performance for various surface cleaning applications.

Product Specifications

  • Flow Rate: 2.7 GPM
  • Pressure: 3000 PSI
  • Max. Liquid Temperature: 140° F
  • Design: Direct Drive
  • Material: High-density polished solid ceramic plungers

Key Features

  • Concentric, high-density, polished, solid ceramic plungers for extended seal life
  • Integral unloader valve with built-in by-pass for safety and pressure control
  • Fixed chemical injector for cleaning flexibility
  • Stacked valve design for fast and easy servicing

Usage Scenarios

  • Ideal for gas engine driven pressure washers
  • Suitable for surface cleaning and wash down applications
  • Can be fitted to 3/4” shaft electric motors by removing the pump’s adapter mounting plate

Usage Scenarios

Competing brands in the same category

Some User Review

  • Users appreciate the durability and reliability of the pump, stating that it has significantly improved their pressure washing operations.
  • Many users have highlighted that the integral unloader valve and fixed chemical injector make the pump extremely convenient and efficient to use.

Competitors

  • Comparative pricing ensures value for money compared to other pumps in the same category. It is an investment in quality and longevity, providing a great return on investment over its operational lifespan.

Buying Considerations

  • Consider the compatibility with your gas engine driven pressure washer to ensure a perfect fit and optimal performance.
  • Evaluate the specific cleaning requirements and frequency of use to determine the suitability of the fixed chemical injector and pressure control features.
  • Factor in the long-term benefits and return on investment provided by the industry-leading quality, durability, and reliability of the pump.

Conclusion

The Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX stands out as a top choice for individuals and businesses seeking a reliable and efficient pump for their pressure washing needs. Its superior features, high-quality construction, and excellent user feedback make it a worthy investment for long-term performance and customer satisfaction.

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The Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX is a premium high-quality pump designed for gas engine driven pressure washers. It boasts industry-leading quality standards, making setup and use easy while providing hours of trouble-free service. With features such as solid ceramic plungers, integral unloader valve, and fixed chemical injector, it offers exceptional performance for various surface cleaning applications. Continue Reading

Customer Questions & Answers

  • Question: What type of applications can the Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX be used for?

    Answer: The Cat Pumps Pressure Washer Pump is highly versatile and suitable for a variety of applications including residential cleaning like driveways and patios, automotive detailing, and commercial cleaning tasks. With a powerful 3000 PSI and 2.7 GPM flow rate, it effectively removes dirt, grime, and grease. This makes it ideal for users who demand both performance and reliability in high-pressure cleaning scenarios.
  • Question: What are the main features of the Cat Pumps Pressure Washer Pump?

    Answer: This pressure washer pump boasts key features like a robust design for durability, a powerful 3000 PSI pressure rating, and a flow rate of 2.7 GPM. It also includes ceramic plungers for enhanced longevity and an adjustable unloader for precise pressure control. These elements work together to improve efficiency, making it a top choice for both homeowners and professionals tackling tough cleaning tasks.
  • Question: Can the Cat Pumps Pressure Washer Pump handle cold water?

    Answer: Yes, the Cat Pumps Pressure Washer Pump is designed to operate with cold water. This makes it suitable for most general cleaning tasks where hot water is not necessary. Cold water use keeps maintenance manageable and reduces wear on the pump while still delivering powerful cleaning performance for various surfaces and applications.
  • Question: Is the Cat Pumps Pressure Washer Pump compatible with all pressure washers?

    Answer: The Cat Pumps Pressure Washer Pump is compatible with many electric and gas-powered pressure washers if the mounting and connection requirements are met. It typically requires certain specifications, such as compatible fitting sizes and power ratings. Users should consult the product's specifications and their washer's compatibility before installation to ensure optimal performance.
  • Question: What pump oil should be used for the Cat Pumps Pressure Washer Pump?

    Answer: Using the correct pump oil is essential for maintaining the Cat Pumps Pressure Washer Pump. It is recommended to use a non-detergent oil specifically designed for pumps, with a viscosity suitable for high-pressure applications. Regular oil checks and changes can enhance the pump's efficiency, lubricating internal parts and reducing wear, which is critical to achieving long-lasting operation.
  • Question: How can I maintain the Cat Pumps Pressure Washer Pump?

    Answer: Proper maintenance of the Cat Pumps Pressure Washer Pump includes regular oil changes, checking for leaks, and inspecting hoses and fittings for wear. Additionally, flushing the pump with water after use can prevent buildup and clogs. Regular maintenance contributes to optimal performance and longevity, ensuring you can count on your pump for ongoing high-pressure cleaning tasks.
  • Question: What safety features does the Cat Pumps Pressure Washer Pump include?

    Answer: The Cat Pumps Pressure Washer Pump incorporates several safety features, including an adjustable unloader to control pressure and prevent excess build-up. It also has thermal relief systems that protect the pump from overheating. These features help ensure safe operation while prolonging the life of the pump, making it a reliable choice for both novice and experienced users.
  • Question: What type of connectors does the Cat Pumps Pressure Washer Pump use?

    Answer: The Cat Pumps Pressure Washer Pump uses standard connectors typical for pressure washers, which generally include quick-connect fittings for hoses. This compatibility allows for easy connection with a variety of hose types and accessories, making transitioning between cleaning tasks more efficient and user-friendly for dynamic pressure washing needs.
  • Question: Can I use detergent with the Cat Pumps Pressure Washer Pump?

    Answer: Yes, you can use detergent with the Cat Pumps Pressure Washer Pump, but it is essential to use detergents specified as safe for pressure washers. These detergents help enhance cleaning efficiency, particularly on heavily soiled surfaces. However, always ensure the system is properly flushed out after use to avoid residue build-up that could impair pump performance.
  • Question: Where can I buy the Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX?

    Answer: You can buy the Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX from Ubuy in Ireland. Ubuy is a reliable online platform offering a variety of products including tools and accessories for pressure washing. Their platform makes it easy to find quality items from reputable brands, ensuring that you're getting the best for your cleaning needs.

CAT Pumps Pumps 4DNX27GSI Editorial Review

The Cat Pumps Pressure Washer Pump - 2.7 GPM, 3000 PSI - 4DNX is a popular choice among customers. One user noted that the pump is indeed blue in color, contrary to the description, and praised the product acknowledging their personal experience that Cat pumps in blue are the best. Another user recommended looking up the model number on the Cat website for all specs, particularly for input rotation. The recommended engine HP size suggested was the Honda gx 200. In terms of customer experience, the overall reception of this pump is positive based on the information available. Users find the Cat pumps reliable and efficient for pressure washing needs. The pump's high GPM and PSI rating, along with the recommendation for a specific engine, highlight its performance and suitability for various applications.

Customer Reviews & Ratings

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Pros

  • High GPM (gallons per minute) rating
  • High PSI (pounds per square inch) rating
  • Reliable and efficient for pressure washing needs

Cons

  • No specific information provided about input rotation (advice given to look up model number)

Platform Trust & Buyer Confidence

MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.