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What size are the rear axles on a Ford Transit?

The rear axles on a Ford Transit van typically measure 3.31 inches (84 mm) in diameter. This is the standard size for the rear axles across the Ford Transit lineup, which includes various models and configurations of the popular commercial van.


Detailed Explanation


The Ford Transit is a versatile commercial van that has been in production since 1965. Over the years, the Transit has undergone several design and engineering updates, but the rear axle size has remained relatively consistent. The 3.31-inch (84 mm) rear axle diameter is a common specification across the majority of Ford Transit models, providing a sturdy and reliable foundation for the vehicle's load-carrying capabilities.


The rear axle is a critical component of the Ford Transit's drivetrain, responsible for transmitting power from the transmission to the rear wheels. The axle's size and strength are essential in supporting the van's payload capacity, which can range from around 2,000 to 4,500 pounds (907 to 2,041 kg), depending on the specific model and configuration.


Factors Affecting Rear Axle Size


Several factors can influence the rear axle size on a Ford Transit, including:



  • Gross Vehicle Weight Rating (GVWR): The GVWR, which represents the maximum weight the vehicle can safely carry, including the van's own weight, passengers, and cargo, can affect the rear axle size. Heavier-duty Transit models with higher GVWRs may have slightly larger rear axles to accommodate the increased load.

  • Drivetrain Configuration: The type of drivetrain (front-wheel drive, rear-wheel drive, or all-wheel drive) can also impact the rear axle size, as different configurations may require different axle specifications.

  • Towing Capacity: Transits equipped for towing may have larger rear axles to handle the additional weight and stress of a trailer or other towed equipment.


It's important to note that while the 3.31-inch (84 mm) rear axle size is the most common, there may be some variations depending on the specific Ford Transit model, year, and configuration. Customers should always refer to the vehicle's documentation or consult with a Ford dealer for the most accurate information on their particular Transit's rear axle specifications.

How big is the back of a Ford Transit?


Ford Transit Range

EXTERIOR (mm)TRANSIT 150
Rear cargo door opening height1,2571,648
Max. Cargo length at floor (without bulkhead through)3,2003,200
Max. cargo width1,7831,783
Cargo width between wheelhouses1,3921,392



How do I know what size rear axle I have?


To determine the axle ratio of your vehicle, locate the two-digit axle code first, then use your vehicle's towing guide to find the axle ratio that corresponds to that code. If your vehicle has a limited-slip differential, it will be noted as Limited Slip.



What axles does Ford use?


Ford Truck & SUV Axle Guide

Dana 28Dana 60Ford 10.50-Inch
Dana 30Dana 61Ford 7.25-Inch
Dana 35 SLADana 70Ford 7.50-Inch
Dana 35 TTBDana 70HDFord 8-Inch
Dana 44Dana 70UFord 8.8-Inch



How do I identify my Ford rear axle?


The ID tag can be your friend. It will tell you the gear ratio, rearend style, and whether it has limited-slip. Also on the tag is an ID number, which, until 1985, included four to five letters, no numbers. Almost all 8.8s—and all post-1986 Ford rearends—have letters and numbers.


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.