What Type Of Oil Does A Dewalt Pressure Washer Use


What Type Of Oil Does A Dewalt Pressure Washer Use: Are you looking for the correct oil type, capacity, or filter to fit your Dewalt Pressure Washer? 

We’ve got you covered! In this post, I’ll take you through all you must be aware of regarding Dewalt pressurized washers, and how to change the oil yourself.


Oil Type: The oil-used Dewalt Pressure washers make use of the 10W-30 oil used in automotive applications. This is the exact type of oil you employ in the engine of your car. Make sure to make sure you use an oil that is not detergent since detergent oils can harm the seals of the pressure washer.

Capacity: The capacities of the oil in the Dewalt pressure washer you own will differ based on the type of model. However, the majority of Dewalt pressure washers come with the capacity to hold 4 to 5 milliliters. Check your owner’s manual to determine the exact oil capacity of the model you have.


Filter: Dewalt pressure washers employ the 10-W-30 oil filter for automotive use. This filter type is available at a majority of auto parts shops.

Price of Change: The price to replace the oil in your Dewalt Pressure washer’s oil will differ based on the service you visit. But, you should expect to spend between $20-$50 for the oil change.

What Type Of Oil Does A Dewalt Pressure Washer Use

Dewalt Pressure Washer Oil Type

DeWalt pressure washers make use of two kinds of oil:

  • Engine Oil: This lubricates the engine. It’s recommended to use high-quality automotive oil such as SAE 5W-30 or 10W-30.
  • Pump oil: It is an oil used to help to lubricate the pump. It is suggested to make use of a pump oil that is specifically made to be used with pressure washers. The type of oil used contains anti-foaming agents and rust inhibitors to shield the pump. If pump oil isn’t readily available, then you can try SAE 30W non-detergent oils.

Oil Capacity For Dewalt Pressure Washer

The capacity of oil in the DeWalt pressure washer differs based on the type of model. However, the majority of DeWalt pressure washers come with 14 ounces of capacity for oil, and 1 quart for the engine.

To find out the exact capacity of the specific model of DeWalt pressurized washer refer to the manual of the owner.

This table shows the capacity of oil for the most popular DeWalt models of pressure washers:

ModelPump Oil Capacity (oz)Engine Oil Capacity (qt)

Dewalt Pressure Washer Oil Change

To change the oil inside your DeWalt pressure washer Follow these steps:

  1. The pressure washer should be allowed to completely cool. This is important to avoid burns.
  2. Set the pressure washer on a flat area. This will help to ensure that the oil is completely drained.
  3. Take off the drain plug. The oil drain plug is usually located at the base of the pump.
  4. Let your old oil run out of an appropriate container. Be sure to get rid of the old oil in a proper manner.
  5. Replace the drain plug and then tighten it with a secure.
  6. Get rid of the cap on the oil filler. The oil filler cap is usually located at one of the pumps’ tops.
  7. Add oil to your Pressure washer. Use the type of oil suggested by its manufacturer. Make sure you make sure you have enough oil to reach the full amount in the dipstick.
  8. Replace the cap for the oil filler, then make sure it is tightened.
  9. Begin the pressure washer, and let it run for a couple of hours. This will help to circulate the oil.
  10. Check the level of oil once more. Add more oil If needed.

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Thank you for taking the time to read this article on DeWalt’s pressure washer oil types! I hope that you found it useful. For any concerns or concerns, please do not hesitate to comment below.

I understand that picking the correct oils for your Pressure Washer could be a bit difficult and I wanted to try to simplify the process as simple as it can be for you. 

I hope that this blog will help you understand the various types of oils available, and which one is the best one for your particular DeWalt Pressure Washer.

Once you’ve figured out what kind of oil you should apply, you’ll be able to enjoy using your power washer! If you’re using it to wash your deck, driveway, or even your car I wish you an enjoyable day.

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FAQs – what type of oil does a Dewalt pressure washer use

What kind of oil do you put in a DeWalt pressure washer?

SAE 10W40 engine oil. DP70 pump oil, or SAE 30W nondetergent oil. Oil catch pan. Cloth rags. DeWALT DPH3800 Pressure Washer. Changing the oil in your DeWalt pressure washer engine is just as important as changing the oil in your vehicle. It may not have to be done as often, but it is a critical maintenance requirement.

How often should I change the oil in my DeWalt pressure washer?

Check the oil levels in both the engine and the pump before each use, and top off the oil as needed. For brand-new pressure washers, it’s advisable to change the oil after the initial month or 20 hours of use (the break-in period). Subsequently, perform oil changes every 6 months or after 100 hours of use. DeWALT DPH3800 Pressure Washer.

What is the difference between DeWalt and Honda pressure washers?

The larger machine has a drain plug while the 6.5 Honda requires us to get creative in order to remove the oil. Let’s talk about how to change motor oil on a Dewalt pressure washer

What happens if you use detergent oil in a pressure washer?

Using detergent oil will result in all the impurities it washes from the surfaces flowing through the oil. This can lead to the insides of the pump becoming more prone to wear. Why Should I Change My Pressure Washer’s Pump Oil?