2024 Ram 3500 6.7L Diesel Maintenance Guide: Oil, Filters & Fluids

AMSOIL diesel oil guide for 2024 Ram 3500 Pickup
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines

For the 2024 Ram 3500 Pickup equipped with the 6.7L 6-cylinder L ETL L Diesel Turbo engine, the oil capacity is 12 quarts (including filter replacement). The recommended viscosity is 10W-30 for temperatures above -18°C and 5W-40 for temperatures below -18°C. AMSOIL recommends using Signature Series 10W-30 Max-Duty Diesel Oil (DTTQT-EA) paired with an AMSOIL Oil Filter (EAO80-EA) for optimal protection.

What oil does a 2024 Ram 3500 6.7L Diesel take?

The 2024 Ram 3500 with the 6.7L L ETL L engine requires an oil grade of SEO39. Depending on your ambient operating temperatures, you should use a 10W-30 viscosity for temperatures above -18°C or a 5W-40 viscosity for environments where temperatures drop below -18°C.

AMSOIL product recommendations

Based on the AMSOIL lookup for the 2024 Ram 3500 6.7L Diesel, here are the recommended fluids and filtration components to maintain engine health and performance.

Engine Oil Options

Product Name Viscosity Part Code
AMSOIL Signature Series 10W-30 Max-Duty Diesel Oil 10W-30 DTTQT-EA
AMSOIL 10W-30 Heavy-Duty Synthetic Diesel Oil 10W-30 ADNQT-EA

Oil Filter Options

Product Name Part Code
AMSOIL Oil Filter EAO80-EA
WIX XP Oil Filter 57620XP-EA
WIX Oil Filter 57620-EA

Coolant & Transmission Fluids

Component Product Name Part Code
Coolant AMSOIL Passenger Car & Light Truck Antifreeze ANTPC1G-EA
Coolant AMSOIL Propylene Glycol Antifreeze ANT1G-EA
ATF AMSOIL Signature Series Multi-Vehicle ATF ATFPK-EA
ATF AMSOIL OE Multi-Vehicle ATF OTFQT-EA

Engine Oil Specifications

  • Oil Viscosity: 10W-30 (Above -18°C)
  • Oil Viscosity: 5W-40 (Below -18°C)
  • Oil Grade: SEO39

How much oil does it take with a filter change?

The total capacity for the 6.7L diesel engine is 12 quarts when including the replacement of the oil filter. It is critical to follow proper filling procedures to ensure accurate levels and prevent engine damage.

Oil Capacity & Torque Specs

Description Specification
Total Oil Capacity 12 quarts (with filter)
Oil Drain Plug Torque 37 ft/lbs

Maintenance Tip: After filling, start the engine and let it idle for several minutes. Check for leaks. Stop the engine and wait 30 minutes to allow the oil to drain back into the pan before checking the level again.

Automatic Transmission Fluid Capacities

The 2024 Ram 3500 uses the 68RFE automatic transmission. Capacity varies depending on whether your vehicle is a 4WD or RWD configuration.

Configuration Fill Type Capacity
6-speed 68RFE (All) Total Fill 17.5 quarts
4WD Initial Fill 6.6 quarts
RWD Initial Fill 5.5 quarts

Diesel maintenance notes for this vehicle

Maintaining a high-capacity diesel engine like the Cummins 6.7L requires attention to specialized systems. Key areas of focus include:

  • Filtration: Ensure oil and fuel filters are replaced according to service intervals to manage soot and contaminants.
  • Cooling System: The coolant capacity is 22 quarts. Use appropriate formulations to protect all metals, gaskets, and hoses.
  • Transmission Care: Heavy towing demands high-quality synthetic fluids to withstand elevated temperatures.

Common diesel oil-related concerns and how AMSOIL products may help

Diesel engines face unique stresses such as soot loading and extreme temperature fluctuations. The following table outlines how specific AMSOIL products can support your maintenance needs.

Concern Why it matters AMSOIL product from this lookup How it may help Important limitation
Engine Wear High pressure in diesel engines can cause component scuffing. Signature Series 10W-30 Delivers up to 6X more wear protection based on Detroit Diesel DD13 testing. Requires regular oil changes.
Contaminants Small particles can cause abrasive wear. AMSOIL Oil Filter Provides 99% efficiency at 20 microns to capture wear-causing contaminants. Filter must be replaced per service schedule.
Extreme Temperatures Viscosity changes can affect lubrication during startup or heavy load. Heavy-Duty 10W-30 Excels in extreme temperatures to maintain proper viscosity. Viscosity must match ambient temperature requirements.

Common maintenance concerns for this vehicle

Based on NHTSA consumer reports, owners of the 2024 Ram 3500 have noted several areas for monitoring:

  • Electrical Systems: Some complaints involve components like PTC heaters.
  • Tires: Reports of tire sidewall cracking have been noted in some instances.
  • Trailer Hitches: Ensure hitch pins and connections are inspected regularly for integrity during heavy towing.

Note: NHTSA complaints are owner reports and should not be treated as verified defects.

Recall, TSB, and manufacturer communication notes

The following official recalls have been identified for the 2024 Ram 3500. Owners should verify their specific VIN with a dealer to check for open recalls.

  • Steering Control Module (Campaign 23V799000): The steering column control module may cause high beams or turn signals to activate incorrectly, potentially reducing visibility.
  • Air Bag/Clockspring (Campaign 24V199000): A potential issue with the steering column control module welding could prevent driver air bag deployment in a crash.

Action Required: Dealers will inspect and, if necessary, replace or update software for these modules free of charge.

About this vehicle

The 2024 Ram 3500 is a heavy-duty pickup truck belonging to the fifth generation of the Ram Heavy Duty series. Produced by the Ram Trucks division of Stellantis, this model is positioned above the light-duty Ram 1500 and serves as a cornerstone for high-capacity towing and commercial applications. It is available in both pickup and chassis cab configurations, providing versatility for industrial and vocational uses.

At the heart of this vehicle’s utility is the Cummins diesel engine technology. The integration of Cummins diesel technology into the Ram Heavy Duty lineup has historically defined the capability of these trucks, providing the torque and durability required for heavy-duty hauling. Typical use cases include agricultural work, commercial transport, and heavy towing.

Because this vehicle utilizes a specialized diesel powertrain, maintenance focuses heavily on the integrity of diesel-specific systems, including fuel filtration, air handling, and advanced emission control units. Owners often prioritize long-term reliability and engine longevity by adhering to rigorous service intervals. As noted in technical research, specific details regarding exact horsepower or precise torque ratings should be verified through the official owner’s manual before performing maintenance tasks.

Common questions about this vehicle’s diesel oil and maintenance

What is the correct oil viscosity for my 2024 Ram 3500?

For temperatures above -18°C, use 10W-30. For temperatures below -18°C, use 5W-40.

How often should I change my diesel oil?

While specific intervals depend on usage, AMSOIL products like DTTQT-EA are designed to help confidently extend drain intervals.

What is the oil capacity for a 6.7L Cummins engine?

The capacity is 12 quarts when including a new filter.

Can I use any antifreeze in my Ram 3500?

It is recommended to use products like AMSOIL Passenger Car & Light Truck Antifreeze, which is engineered to exceed OEM requirements and is compatible with other colors.

Does the transmission require special fluid?

The 68RFE transmission requires specific fluids; AMSOIL offers ATFPK-EA and OTFQT-EA for this application.

How do I check for open recalls on my truck?

You should contact a Chrysler/Stellantis dealer or visit the official NHTSA website and provide your VIN to confirm any active safety recalls.


Disclaimer: Always verify all maintenance specifications, capacities, and torque values using your vehicle’s official owner’s manual or by contacting a certified professional before performing any service.

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