If you are looking to buy a pressure washer, you have probably come across the Simpson brand. Simpson is known for producing high-quality pressure washers that are reliable and efficient. One of the key components of a pressure washer is the pump, and Simpson takes great care in ensuring that their pumps are top-notch.

The type of pump used in a Simpson pressure washer is an axial cam pump. This type of pump is known for its durability and efficiency. It works by using a set of rotating pistons to create pressure and force the water through the nozzle. Axial cam pumps are commonly used in pressure washers because they are compact and can handle high-pressure applications.

What sets Simpson pressure washers apart is the quality of their pumps. Simpson uses high-grade materials and precision engineering to ensure that their pumps are built to last. These pumps are designed to deliver high-pressure water consistently, making them perfect for a variety of tasks, from cleaning your driveway to washing your car.

Whether you are a homeowner or a professional, a Simpson pressure washer with an axial cam pump is a great investment. These pumps are built to withstand the rigors of regular use and deliver exceptional performance every time. So if you are looking for a pressure washer that will get the job done right, look no further than Simpson.

Understanding Simpson Pressure Washer

Simpson pressure washers are known for their high-quality performance and durability. These pressure washers are designed to clean large surfaces and remove tough dirt and grime effectively. Understanding the type of pump used in a Simpson pressure washer is crucial for maintaining and maximizing its performance.

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The pump is an essential component of a pressure washer, as it creates the necessary pressure to spray water at high speeds. Simpson pressure washers typically use two types of pumps: axial cam pumps and triplex plunger pumps.

Axial cam pumps are commonly used in light to medium-duty pressure washers. They are compact, lightweight, and cost-effective. However, they have a shorter lifespan compared to triplex plunger pumps. Axial cam pumps are ideal for homeowners and DIY enthusiasts who require occasional use of their pressure washers.

On the other hand, triplex plunger pumps are heavy-duty pumps commonly used in commercial and professional-grade pressure washers. They are designed to withstand frequent and heavy use. Triplex plunger pumps are known for their durability and ability to maintain consistent pressure, even during prolonged use. These pumps are perfect for professional cleaners and contractors who require reliable and high-performance pressure washers.

Understanding the type of pump used in your Simpson pressure washer is essential for proper maintenance and troubleshooting. Axial cam pumps require regular maintenance, such as oil changes and cleaning, to ensure their longevity. Triplex plunger pumps, on the other hand, are generally low-maintenance but may require occasional servicing.

In conclusion, Simpson pressure washers utilize either axial cam pumps or triplex plunger pumps, depending on the intended use and demands of the user. Choosing the right type of pump for your pressure washer ensures optimal performance and longevity. Whether you’re a homeowner or a professional cleaner, Simpson pressure washers offer a range of options to suit your needs.

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Overview of Pressure Washer Pumps

A pressure washer pump is a critical component of a pressure washer system. It is responsible for generating the water pressure and flow required for effective cleaning. There are several types of pressure washer pumps available on the market, each with its own advantages and disadvantages.

One common type of pressure washer pump is the axial cam pump. This type of pump uses a series of pistons to generate pressure. It is compact and lightweight, making it suitable for smaller residential pressure washers. However, axial cam pumps are not as durable as other types, and they tend to have a shorter lifespan.

Another type of pressure washer pump is the triplex pump. Triplex pumps are known for their high performance and durability. They use three pistons to generate pressure, providing a smoother and more consistent flow of water. Triplex pumps are commonly found in professional-grade pressure washers due to their reliability and ability to handle heavy-duty cleaning tasks.

Some pressure washers also feature a belt-driven pump. Belt-driven pumps are connected to the engine or motor of the pressure washer using a belt and pulley system. This design helps reduce vibration and noise, resulting in a quieter operation. Belt-driven pumps are generally more durable and have a longer lifespan compared to other types.

It’s important to consider the type of pump when choosing a pressure washer, as it directly affects the performance and longevity of the machine. Factors such as cleaning needs, frequency of use, and budget should be taken into account when selecting a pressure washer pump.

In conclusion, pressure washer pumps are vital components that determine the effectiveness and durability of a pressure washer. Axial cam pumps are compact but less durable, while triplex pumps are known for their high performance and longevity. Belt-driven pumps offer reduced vibration and noise. Understanding the different types of pressure washer pumps can help you make an informed decision when purchasing a pressure washer.

Importance of Choosing the Right Pump

When it comes to pressure washers, choosing the right pump is crucial. The pump is responsible for generating the water pressure that is needed to effectively clean surfaces. Using the wrong pump can result in poor performance and can even damage the pressure washer itself. There are different types of pumps available, and selecting the one that matches your specific needs is essential.

One of the key factors to consider when choosing a pump is the amount of pressure it can generate. Different pumps have different pressure ratings, and selecting a pump with too low pressure can make it difficult to clean tough stains and dirt. On the other hand, a pump with too high pressure can cause damage to delicate surfaces and materials.

Another important consideration is the flow rate of the pump. The flow rate determines how much water the pump can deliver, which directly affects the cleaning efficiency. Choosing a pump with a flow rate that is too low will result in slower cleaning times, while a pump with a flow rate that is too high may waste water and energy.

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It is also important to consider the durability and reliability of the pump. Pressure washers are often subjected to harsh conditions and demanding tasks, so you need a pump that can withstand this kind of use. Look for pumps made from high-quality materials and with a good track record of performance and reliability.

Lastly, the compatibility of the pump with your pressure washer is crucial. Not all pumps are compatible with all pressure washers, so it is important to check the specifications and requirements of your pressure washer before making a purchase. A pump that is not compatible may not fit properly or may not work efficiently with your pressure washer.

In conclusion, choosing the right pump for your pressure washer is vital for optimal performance and longevity. It is important to consider factors such as pressure rating, flow rate, durability, and compatibility in order to ensure that your pressure washer is able to effectively clean surfaces and withstand the demands of heavy-duty use.

Different Types of Pumps for Simpson Pressure Washer

Simpson pressure washers come with various types of pumps, each offering different features and performance capabilities. Understanding the different pump types can help you choose the best option for your specific needs. Here are some of the common types of pumps found in Simpson pressure washers:

1. Axial Cam Pumps

Axial cam pumps are often found in small to medium-duty pressure washers. These pumps are known for their compact design, making them lightweight and easy to transport. They are generally more affordable but may not offer as high of a pressure output. Axial cam pumps are well-suited for occasional use around the house or for light commercial applications.

2. Triplex Plunger Pumps

Triplex plunger pumps are commonly used in heavy-duty commercial and industrial pressure washers. Unlike axial cam pumps, triplex plunger pumps are designed to handle high-pressure applications. They are built with high-quality materials and are known for their durability and long lifespan. Triplex plunger pumps provide high-pressure output, making them suitable for heavy-duty cleaning tasks.

3. Belt Drive Pumps

Belt drive pumps are available in both axial cam and triplex plunger configurations. These pumps are designed with a belt-driven system, which helps reduce the RPM (revolutions per minute) of the pump. This results in quieter operation and prolongs the lifespan of the pump. Belt drive pumps are ideal for applications that require continuous use or operate for extended periods.

When choosing a Simpson pressure washer, consider the type of pump that best suits your cleaning needs. If you require frequent use or need higher pressure output, a triplex plunger pump or a belt drive pump may be the better option. For occasional use or lighter applications, an axial cam pump may suffice. Ultimately, the choice of pump type will depend on your specific requirements and budget.

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Important Note: It is always recommended to refer to the manufacturer’s guidelines and specifications when selecting a pressure washer and its pump type.

Features and Benefits of Axial Pumps in Simpson Pressure Washer

A Simpson pressure washer is equipped with various types of pumps to efficiently generate high-pressure water for cleaning purposes. One of the most common pump types used in Simpson pressure washers is the axial pump. Axial pumps offer several features and benefits that make them a popular choice among users.

1. Efficiency

Axial pumps are designed to deliver high-pressure water flow with exceptional efficiency. These pumps have a small and compact design, allowing them to generate significant pressure with minimal effort. This efficient operation ensures that the pressure washer can effectively clean dirt and grime from various surfaces, including driveways, fences, and vehicles.

2. Versatility

Another advantage of using axial pumps in Simpson pressure washers is their versatility. These pumps can handle a wide range of cleaning tasks due to their ability to deliver different pressure levels. Whether you need to remove tough stains or gently clean sensitive surfaces, the adjustable pressure feature of axial pumps allows you to achieve the desired cleaning result.

3. Durability

Axial pumps are known for their durability, making them a long-lasting choice for pressure washers. These pumps are built with high-quality materials, such as brass and stainless steel, which can withstand the harsh conditions of frequent use. Additionally, axial pumps have few moving parts, reducing the risk of breakdowns and minimizing maintenance requirements.

4. Cost-effectiveness

Compared to other types of pumps, axial pumps are generally more affordable, making them a cost-effective option for Simpson pressure washers. The simplicity of their design and the use of fewer components contribute to their lower price tag. Additionally, the durable construction of axial pumps ensures that they can withstand extended use, further enhancing their cost-effectiveness.

Features Benefits
Efficient operation Effective cleaning
Versatile pressure settings Adaptable to different cleaning tasks
Durable construction Long-lasting performance
Cost-effective Affordable solution


What is the type of pump used in the Simpson pressure washer?

The Simpson pressure washer uses an axial cam pump.

Can I use a different type of pump with the Simpson pressure washer?

No, the Simpson pressure washer is designed to work specifically with an axial cam pump. Using a different type of pump may not provide the desired pressure and performance.

How does an axial cam pump work?

An axial cam pump uses a series of rotating pistons to create pressure. As the pistons rotate, they push water through the pump and out of the nozzle at high pressure.

What are the advantages of using an axial cam pump in a pressure washer?

Axial cam pumps are known for their compact size, high efficiency, and low maintenance requirements. They are also capable of delivering high pressure, making them ideal for cleaning tasks.