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What is the towing capacity of the Ram 1500 with a 3.21 rear axle ratio?

The towing capacity of the Ram 1500 with a 3.21 rear axle ratio is up to 12,750 pounds. This figure can vary depending on the specific configuration of the vehicle, but it represents the maximum towing capacity for this model with the 3.21 rear axle ratio.


Detailed Explanation


The Ram 1500 is a popular full-size pickup truck known for its impressive towing and hauling capabilities. The towing capacity of the Ram 1500 is largely determined by the vehicle's configuration, including the engine, transmission, and rear axle ratio.


The 3.21 rear axle ratio is one of the available options for the Ram 1500. This ratio is considered a "standard" or "mid-range" option, providing a balance between fuel efficiency and towing/hauling performance. Vehicles with a lower rear axle ratio (e.g., 3.92) will generally have a higher towing capacity, while those with a higher ratio (e.g., 3.21) will prioritize fuel economy over maximum towing ability.


Factors Affecting Towing Capacity



  • Engine: The engine size and power output play a significant role in determining the towing capacity. Larger, more powerful engines typically have higher towing capacities.

  • Transmission: The type of transmission (e.g., automatic, manual) and the number of gears can also impact towing capacity.

  • Rear Axle Ratio: As mentioned, the rear axle ratio is a crucial factor. Lower ratios (e.g., 3.92) provide more torque and higher towing capacities, while higher ratios (e.g., 3.21) prioritize fuel efficiency.

  • Payload Capacity: The maximum weight the vehicle can safely carry, including passengers and cargo, also affects the towing capacity.


It's important to note that the towing capacity can vary depending on the specific configuration of the Ram 1500, so it's always best to consult the vehicle's owner's manual or a trusted dealer for the most accurate and up-to-date information.

How to determine Ram 1500 towing capacity?


The towing capacity can be found in your owner's manual, on the manufacturer sticker on the driver's side door, or the manufacturer's website.



What is the towing capacity of the 2017 Ram 1500 with a 3.21 rear axle ratio?


8,550 pounds
The largest and the most powerful engine on the Ram 1500 lineup is the 5.7-liter HEMI V8 engine and it produces produces 395 horsepower and 410 lb-ft of torque. This engine has a towing capacity ranging from 8,550 pounds (3.21 axle ratio) to 10,700 pounds (3.92 axle ratio).



What is the best rear end ratio for towing?


The most popular rear end ratio in trucks today is the 3:55, which sort of averages towing power and fuel economy. This is a good ratio for the occasional towing or hauling individual. For a person who tows more often, and heavier loads, the 3:73 or 4:10 may be more appropriate.



What is the best rear axle ratio for towing?


The most popular rear end ratio in trucks today is the 3:55, which sort of averages towing power and fuel economy. This is a good ratio for the occasional towing or hauling individual. For a person who tows more often, and heavier loads, the 3:73 or 4:10 may be more appropriate.



What rear axle ratio is best for towing?


A numerically higher axle ratio provides a mechanical advantage to send more of the engine's available torque to the rear tires (and front tires, in a four-wheel drive vehicle), but you pay the price at the fuel pump. So, a truck with optional 3.73 gears will tow a heavier trailer than one with 3.55 or 3.21.



What is the towing capacity of a 3.21 rear axle?


2024 Ram 1500 Classic Towing Chart

2024 Ram ClassicREG CAB 4X2QUAD CAB 4X2
3.21 AXLE RATIO7,240 LBS6,870 LBS
3.55 AXLE RATIO9,290 LBS8,920 LBS
3.92 AXLE RATIO9,210 LBS10,470 LBS
RAM 1500 5.7L V8 8-SPEED



Is a 3.21 axle ratio good for towing?


Comments Section 3.21 will do fine for infrequent towing stock. If you are going to go to bigger tires and lifting at some point (or will be towing frequently in future) get the 3.92. The tires are different. Oem At 33's on the rebel + 1'' lift is also affecting the highway mileage.



What is the best gear ratio for towing a Dodge Ram 1500?


If you are towing then a 3.92 is the ratio you want, you can tow with a 3.55 or a 3.23 but they are not optimal and will work the transmission harder and lug the engine more because the RPM's will be lower.



What is the difference between 3.21 and 3.73 axle ratio?


A numerically higher axle ratio provides a mechanical advantage to send more of the engine's available torque to the rear tires (and front tires, in a four-wheel drive vehicle), but you pay the price at the fuel pump. So, a truck with optional 3.73 gears will tow a heavier trailer than one with 3.55 or 3.21.



Which Ram 1500 is best for towing?


The 3.0-liter Hurricane engine achieves the highest 2025 Ram 1500 towing capacity. It can handle up to 11,550 pounds1 if you opt for the Lone Star model. Meanwhile, the standard 3.6-liter Pentastar V-6 can also tow up to 8,110 pounds,1 balancing value, performance, and efficiency.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.