The Ford F150 is a popular choice among truck enthusiasts, and understanding the rear axle tag codes is essential for identifying your vehicle's specifications. This guide will help you decode the information found on your F150's rear axle tag, which can be crucial for maintenance, upgrades, and performance assessments.

What Are Rear Axle Tag Codes?

Rear axle tag codes provide vital information about the axle type, gear ratio, and whether it features a limited-slip differential. These codes are typically found on a metal tag attached to the rear axle cover or on the driver's side door jamb sticker.

Decoding the Tag

The rear axle tag usually contains two lines of numbers and letters. Here’s how to interpret them:

  • Top Line: Often includes the axle model code and build date.
  • Bottom Line: Starts with the gear ratio followed by additional specifications.

Key Components of the Tag

  • First Character: Indicates whether the axle is a limited-slip (letter) or an open differential (number).

  • Second Character: Represents the gear ratio. Common ratios include:

- 2 = 2.73

- 8 = 3.08

- 9 = 3.55

- 6 = 3.73

- 5 = 4.10

Example Codes

Here are some common axle codes for the Ford F150:

CodeGear RatioType
H93.55Limited Slip
B63.73Limited Slip
193.55Non-Limited Slip
263.73Non-Limited Slip

Finding Your Axle Code

To locate your axle code:

1. Check the Driver's Door Jamb: Look for a sticker that lists various specifications, including the axle code.

2. Inspect the Rear Axle Cover: The metal tag attached to the cover will provide detailed information about your axle.

Why Knowing Your Axle Code Matters

Understanding your F150's rear axle code is crucial for several reasons:

  • Performance Upgrades: If you plan to modify your truck for towing or off-roading, knowing your gear ratio helps in selecting compatible upgrades.

  • Maintenance: Identifying whether you have a limited-slip or open differential can influence maintenance practices and fluid choices.

  • Resale Value: Potential buyers often look for specific configurations; having this information readily available can enhance your truck's appeal.

FAQs About Ford F150 Rear Axle Tag Codes

    • How do I know if my F150 has a limited-slip differential?
      If the first character of your axle code is a letter, it indicates a limited-slip differential.

    • Where can I find my axle code?
      Your axle code can be found on the driver's side door jamb sticker or on a metal tag attached to the rear axle cover.

    • What does it mean if my code starts with a number?
      A number indicates that you have an open differential, which means power is not distributed equally between wheels.

Understanding your Ford F150's rear axle tag codes can significantly enhance your ownership experience by ensuring you have all necessary information for maintenance and upgrades.