To most people, the jumble of numbers and letters in Vehicle Identification Numbers (VINs) seem like gibberish. To a vehicle manufacturer, fleet manager, or heavy duty tech, however, a VIN speaks volumes. It’s like a secret code that tells the truck’s story. Where it was made, who manufactured it and when—the VIN tells all of that info and more. In fact, there’s so much unique data in the identifying number, it’s kind of like your truck’s DNA or thumbprint. Knowing what each letter or number stands for can help you crack the VIN code but using a VIN decoder is much quicker and easier.

Why Do I Need to Decode a VIN?

All of the detailed facts contained in a VIN might not interest the average person off the street. It’s very interesting and useful information, though. Someone looking at buying a truck can use VIN data to confirm the truck’s build. If you’re importing or exporting a truck, the VIN tells you where it was manufactured, right down to which assembly plant put it together. Additionally, the VIN reveals information that helps find the right parts for specific trucks. That’s why it’s useful for heavy duty mechanic to be an adept VIN decoder.

Parts of the VIN

Most VIN numbers are 17 characters long. They contain letters as well as numbers. It used to be that no one used the same format for these identifying numbers. As you can imagine, that was a chaotic process that created a lot of confusion. Every mechanic, truck salesman, and insurance agent had to know and understand several different VIN codes. In 1981, however, the format was standardized, making it much easier for everyone.

So, what information can a VIN decoder get from a VIN? Let’s break it down:

1st character: country of origin—1 and 4 signify the United States. Canada is 2 and Mexico is 3. Sometimes it’s a letter. “J” for Japan, for instance.

2nd character: manufacturer—this identifies who built the truck.

3rd character: division of origin or type of vehicle—what kind of truck it is or the manufacturing branch that built it.

4th through 8th characters: physical attributes—engine type, body style, transmission, etc. These characters are particularly useful for diesel techs.

9th character: check digit—this is the number or letter that is entirely unique to your truck, the character that creates its distinctive “thumbprint.”

10th character: model year

11th character: assembly plant identification

12th through 17th characters: the truck’s birth date—sort of. It’s actually a production number that relates to when the truck came off the assembly line.

The first three characters in a VIN form the World manufacturer identification. That means VINs can be understood worldwide.

VIN Decoder Convenience

You might never look at a VIN number in the same way again. Knowing what the different parts mean, gives you a picture of a truck’s history. Not necessarily at a glance but with a little work. When you don’t have time to spend translating a VIN—or if you simply don’t know what each character means off the top of your head—a VIN decoder comes in handy. Just enter the vehicle identification number in the decoder and hit “submit.” The VIN decoder instantly deciphers the characters and gives you a snapshot of the truck’s info. Even if you’re not a fleet manager or diesel tech, it’s interesting to make sense out of the mystery of the VIN number.

 

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