2018 Ram 2500 Transmission Fluid Capacity: Keeping Your Truck Running Smoothly

2018 Ram 2500 Transmission Fluid Capacity: Keeping Your Truck Running Smoothly

When it comes to maintaining your 2018 Ram 2500, one crucial aspect that often gets overlooked is the transmission fluid. Your truck’s transmission is responsible for transferring power from the engine to the wheels, and without proper maintenance, it can lead to costly repairs and a decrease in performance. In this article, we will discuss the transmission fluid capacity for the 2018 Ram 2500 and provide you with all the information you need to keep your truck running smoothly.

Transmission Fluid Capacity and Type

Knowing the correct transmission fluid capacity for your 2018 Ram 2500 is essential to ensure optimal performance and longevity. Here is a table that outlines the transmission fluid capacity in both quarts and liters:

Transmission Fluid Capacity Quarts Liters
6-Speed Automatic Transmission (68RFE) 17 16.1
6-Speed Automatic Transmission (AS69RC) 17 16.1

It is crucial to use the correct type of transmission fluid for your 2018 Ram 2500. For the 6-speed automatic transmissions (68RFE and AS69RC), the recommended fluid is ATF+4 (Automatic Transmission Fluid Type 4). Using the wrong type of fluid can lead to transmission damage and void your warranty, so be sure to double-check before adding any fluid.

How to Check and Add Transmission Fluid

Checking and adding transmission fluid to your 2018 Ram 2500 is a relatively straightforward process. Here are the steps to follow:

  1. Start by parking your truck on a level surface and engaging the parking brake.
  2. Locate the transmission dipstick, which is usually labeled and located near the back of the engine bay.
  3. With the engine warmed up and running, pull out the dipstick and wipe it clean with a lint-free cloth or paper towel.
  4. Reinsert the dipstick fully and then pull it out again to check the fluid level. The dipstick will have markings indicating the proper fluid level range.
  5. If the fluid level is below the recommended range, you will need to add fluid. Use a funnel to pour the fluid into the dipstick tube, being careful not to overfill.
  6. Check the fluid level again after adding, ensuring it is within the proper range.
  7. Replace the dipstick securely and close the hood.

Remember, safety is crucial when working with your vehicle’s transmission. Always follow proper safety precautions, such as wearing protective gloves and eyewear, and consult your owner’s manual for specific instructions.


Now that you know the transmission fluid capacity for your 2018 Ram 2500 and how to check and add fluid, you can ensure that your truck’s transmission stays in optimal condition. Regularly maintaining your transmission fluid will not only extend the life of your vehicle but also contribute to a smoother and more efficient driving experience. So, don’t neglect this essential aspect of your truck’s maintenance and keep on truckin’!

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