RAM 3500 Aisin Transmission Fluid Capacity: Everything You Need to Know

RAM 3500 Aisin Transmission Fluid Capacity

When it comes to maintaining your RAM 3500 with an Aisin transmission, one important aspect to consider is the transmission fluid capacity. Ensuring that you have the correct amount of fluid in your transmission is crucial for its proper functioning and longevity. In this article, we will provide you with the necessary information regarding the transmission fluid capacity for the RAM 3500 Aisin transmission.

Transmission Fluid Capacity and Type

Before we dive into the details, let’s take a look at the transmission fluid capacity and type for the RAM 3500 Aisin transmission. It’s always important to use the right type and amount of fluid to keep your transmission running smoothly. Here’s a handy table to guide you:

Transmission Fluid Capacity Quarts Liters
5-Speed Aisin AS69RC 17.5 16.6

As you can see, the RAM 3500 Aisin transmission requires approximately 17.5 quarts or 16.6 liters of transmission fluid for the 5-Speed Aisin AS69RC model.

Importance of Proper Fluid Capacity

Now that you know the correct transmission fluid capacity for your RAM 3500 Aisin transmission, let’s discuss why it’s crucial to maintain the proper fluid level. The transmission fluid serves multiple purposes, including lubricating moving parts, cooling the transmission, and providing hydraulic pressure for gear shifting.

If your transmission fluid level is too low, it can lead to inadequate lubrication, increased friction, and excessive heat buildup. This can result in premature wear and damage to the transmission components, leading to costly repairs or even complete transmission failure.

On the other hand, overfilling the transmission with fluid can also cause issues. It can lead to foaming, which reduces the fluid’s ability to lubricate and cool the transmission effectively. Additionally, excess fluid can put pressure on the seals and gaskets, causing leaks and potential damage.

Checking and Adding Transmission Fluid

Checking and adding transmission fluid to your RAM 3500 Aisin transmission is a relatively straightforward process. However, it’s essential to follow the manufacturer’s guidelines and safety precautions. Here’s a general outline of the steps involved:

  1. Ensure that your vehicle is parked on a level surface and the engine is turned off.
  2. Locate the transmission fluid dipstick, which is typically labeled and located near the back of the engine bay.
  3. Remove the dipstick and wipe it clean with a lint-free cloth or paper towel.
  4. Reinsert the dipstick fully and then remove it again to check the fluid level. The dipstick usually has markings indicating the proper fluid level range.
  5. If the fluid level is below the recommended range, add small amounts of the correct transmission fluid type through the dipstick tube. Be cautious not to overfill.
  6. Recheck the fluid level using the dipstick, ensuring it falls within the recommended range.
  7. Replace the dipstick securely.

Remember, it’s always best to consult your vehicle’s owner’s manual for specific instructions and safety precautions regarding checking and adding transmission fluid.


Properly maintaining the transmission fluid level in your RAM 3500 Aisin transmission is essential for its optimal performance and longevity. By following the recommended fluid capacity and type, as well as regularly checking and adding fluid when necessary, you can help ensure that your transmission operates smoothly and efficiently. Remember, a well-maintained transmission is a happy transmission!

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