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Is 3.55 gear ratio good for towing?


When it comes to towing, selecting the right gear ratio is crucial for ensuring your vehicle performs efficiently and safely. The 3.55 gear ratio is a popular choice among truck and SUV owners, but is it the best option for towing? Let’s dive into the details to help you make an informed decision.


What Does a 3.55 Gear Ratio Mean?


The gear ratio refers to the relationship between the number of rotations the driveshaft makes and the number of rotations the wheels make. A 3.55 gear ratio means that the driveshaft rotates 3.55 times for every single rotation of the wheels. This ratio affects your vehicle's towing capacity, fuel efficiency, and overall performance.


Advantages of a 3.55 Gear Ratio for Towing


The 3.55 gear ratio strikes a balance between power and efficiency, making it a versatile option for many drivers. Here are some of its advantages:



  • Fuel Efficiency: Compared to lower gear ratios like 4.10, the 3.55 ratio offers better fuel economy during highway driving, which is beneficial for long-distance towing.

  • Moderate Towing Capability: It provides sufficient power for towing medium-weight loads, such as small trailers, boats, or campers.

  • Versatility: This ratio is ideal for drivers who use their vehicle for both towing and everyday driving, as it offers a good mix of performance and efficiency.


Limitations of a 3.55 Gear Ratio for Towing


While the 3.55 gear ratio has its benefits, it may not be the best choice for every towing situation. Here are some potential drawbacks:



  • Limited Heavy Towing Capability: If you plan to tow heavy loads, such as large RVs or construction equipment, a lower gear ratio like 4.10 or 4.30 may be more suitable. These ratios provide more torque, which is essential for pulling heavy weights.

  • Performance on Steep Grades: The 3.55 ratio may struggle on steep inclines when towing heavier loads, as it doesn’t provide as much low-end torque as lower gear ratios.


Is a 3.55 Gear Ratio Right for You?


Choosing the right gear ratio depends on your specific towing needs. If you primarily tow medium-weight loads and value fuel efficiency for daily driving, the 3.55 gear ratio is a solid choice. However, if you frequently tow heavy loads or drive in mountainous areas, you might want to consider a lower gear ratio for better performance and safety.


Final Thoughts


The 3.55 gear ratio is a versatile option that works well for many towing scenarios, but it’s not a one-size-fits-all solution. Always consider your vehicle’s towing capacity, the weight of your load, and the terrain you’ll be driving on before making a decision. If you’re unsure, consult your vehicle’s manufacturer guidelines or speak with a trusted auto repair professional to ensure you’re making the best choice for your needs.


Frequently Asked Questions

What is a good gear ratio for towing?


Selecting an axle ratio really depends on how you plan to use the vehicle. If your truck is going to be used for towing and hauling loads you want a 3.90:1, 4.10:1 or 4.30:1 type axle ratio. This puts the power at the wheels, but will sacrifice some fuel economy in doing it.



How many miles can you get out of a 3.5 EcoBoost?


Ford EcoBoost engines generally last between 150,000 to 200,000 miles with proper maintenance. Longevity depends on factors like driving habits, regular oil changes, and using high-quality fuel. Some EcoBoost engines have lasted over 200,000 miles, though turbocharged components may require more maintenance over time.



How much can a 3.5 EcoBoost with 3.55 gears tow?


The 2021 F-150 3.5L EcoBoost® V6 engine boasts a best-in-class towing capability of 14,000 pounds. With these kinds of numbers, you can easily tow a horse trailer or souped-up boat. View the following F-150 engine towing capacity chart for more details.



What axle ratio is better for mileage?


The lower the number, the better fuel economy, and the higher the number the more towing power you have, but fuel economy suffers. For instance, a 3:31 gets better fuel economy than a 3:73. On the other hand, a 3:73 or perhaps a 4:10 will tow much more, while fuel economy greatly drops.



What gear is best for towing?


Towing – Low gear is excellent for towing a heavy load like a trailer or boat since it gives you extra engine power to safely and confidently tow. It's best to refer to your owner's manual for any speed limitations while using your low gear.



What is a 5 2 1 gear ratio good for?


Spinning reels with 5.2:1 gear ratios are recommended for most ice fishing presentations. Even though the reel might be filled with lighter line of 2- to 4-pound test, the power provided by the low-speed reel will allow you to fight and pull a heavyweight walleye or northern pike through the ice.



What is the towing capacity of the Ram 1500 with 3.55 gears?


2024 Ram 1500 Classic Towing Chart

2024 Ram ClassicREG CAB 4X2QUAD CAB 4X2
RAM 1500 5.7L V8 6-SPEED
3.21 AXLE RATIO7,240 LBS6,870 LBS
3.55 AXLE RATIO9,290 LBS8,920 LBS
3.92 AXLE RATIO9,210 LBS10,470 LBS



What is the towing capacity of the 3.55 electronic lock RR axle?


The maximum Ford F-150 towing capacity of 13,500 pounds requires the Max Trailer Tow Package, which includes the following features: 3.55 electronic-locking rear axle (axle is changed to 3.73 electronic-locking differential if paired with the Heavy-Duty Payload Package)



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


FACT: A 4.10 axle ratio is ideal for towing heavy loads in a mix of city and highway driving and when towing on varied or steep grades.



What is a 3.55 axle ratio good for?


As truck manufacturers produce transmissions using more gears, the axle ratios will also change. For example, a transmission with more gears might allow a truckmaker to offer a taller rear axle ratio (a 3.55 instead of 3.73) and still provide improved towing and hauling capabilities.


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.