Until the federal government standardized all Vehicle Identification Numbers (VIN) in 1980, motor vehicle companies used their own identification systems. Not only did those systems differ from company to company but also year to year as each organization decided to improve on the conventions they were using.
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Some conventions added more information that can be useful today. Other modifications to the identification system might have been useful for the International Harvester Company (IHC) internally but provide little or no value to owners today.
Step 1
Determine the year of your vehicle. Before the standardization of vehicle identification numbers in 1980, each company used its own numbering scheme and IHC was no different. Knowing the year may help you understand the structure of your VIN.
The International Truck was not normally stamped as to the year of manufacture before about 1969, when the 'VIN' number took over from the serial number system. Consequently, while there are ways to tell what model was manufactured in what year span, nailing down the actual year and month of production is often difficult. In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block pad (in front of the cylinder head), or on the transmission flange somewhere. Check any VIN with decoder service, which is providing information about cars for free. Just enter brand and VIN of your vehicle. International Truck Serial Number Manufacture Date charts Here is an interesting link I found while trying to determine the year of a mid 1950s IHC R120 pick up I recently bought. Has all the beginning serial numbers for all models from 1928 to 1966 relative to the date of manufacture. The engine serial number is required when placing a parts order. Model number 5043-5100 is interpreted as follows: Series 53 Engine (5), four cylinder (04), industrial, fan to flywheel (3 ), right-hand rotation with 'A' accessory arrangement (5), two-valve head engine (1), and specific model Number 00 (00).
Step 2
Locate the VIN on the engine, using the flashlight if it helps to see the numbers and letters.
Step 3
Using a VIN from prior to 1940, your VIN should reflect IHC's sequence indicating when the company introduced the model followed by the number 501. For example, R100-501, R120-501, R130-501 and so on. When IHC introduced the S and A models in the mid-1950s, they added these letters into the identification sequence. They just continued the numbering with SB even after they introduced the C line in 1961. You should not see the letter C in your VIN though you may see various prefixes to indicate other models such as Scouts (FC) and Emeryville DCO-450s (W).
Step 4
Reading a VIN from 1965 to 1973, you will see a 6-digit model code with a letter to indicate where the vehicle was built followed by a 6-digit serial number. These numbers would indicate the order in which IHC made the vehicles.
Step 5
Autocad explode command. Taking a VIN from a vehicle produced after 1974 but before 1980, you'll have a five-character model code, then a letter to indicate model year, followed by plant indicator letter, a letter for production line within the plant, and a five digital serial number that started with 10001 at the new year.
Owning a vehicle made in 1980 or later means your VIN will have three characters to indicate the country of origin, manufacturer, and type of vehicle. A 1 indicates United States, 2 is Canada. A number after this is calculated from the other characters to detect alterations to the VIN or errors in computer processing. The next character helped car owners and police determine if anyone had tampered with the VIN. This character represented the year of manufacture, starting with B and skipping I, O, and Z then a number 1 through 9. The sequence restarted in 2010 with the letter A. Again, the last numbers represent's the vehicle's position in the production line.
- truck 1 image by Chad Perry from Fotolia.com
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A vehicle identification number, or VIN, identifies your car. It’s made up of individual numbers and letters with special significance, and provides information about your vehicle. Each VIN is unique to the vehicle.
You may want to decode the VIN for a number of reasons. You may need to find a proper-fitting part according to your vehicle build, find the place of manufacture for importation, or you may want to verify a car’s build if you are looking to buy it.
Whether you need to find specific information or if you are just curious about your vehicle’s build, you can decode the VIN number for a wide array of information.
![Ihc truck vin decoder Ihc truck vin decoder](/uploads/1/2/5/0/125008950/606735919.jpg)
Part 1 of 4: Find the VIN on your car
Step 1: Find the VIN on your car. Search for the 17-digit string of numbers on your vehicle.
Common locations include:
- Dash of the car by the bottom of the windshield on the driver’s side – more easily seen from the outside of the vehicle
- Sticker on the side of the door on the driver’s side
- On the engine block
- On the underside of the hood or on the fender – mostly seen on some newer vehicles
- Insurance cards
Step 2: Check your registration paperwork or your car title. If you can’t find the VIN in any of the above locations, you can look on your documents for the number.
Part 2 of 4: Use an online decoder
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Step 1: Look up your VIN through the manufacturer. Visit your car’s manufacturer website and see if it offers a VIN lookup.
While not all manufacturers include this, some do.
Step 2: Use an online decoder. There are several free online services to help you decipher the numbers and their meanings.
To find one, enter a search for “online VIN decoder” and select a top result.
Some decoders provide basic information for free while others will require payment to give you a full report.
A popular choice is Vin Decoder, a free service that offers basic VIN decoding. For more detailed VIN decoding that provides installed and optional equipment, vehicle specs, color options, pricing, MPG, and other details, check out DataOne Software's complete vehicle data and VIN decoding business solution. Carfax and CarProof are paid vehicle history report sites that also provide a VIN decoder.
Part 2 of 4: Learn the meanings of the numbers
You can also learn how to read your VIN by understanding what each set of numbers means.
Step 1: Decode the meaning of the first number or letter. The first character in a VIN may be either a letter or number and tells you the geographic area of origin.
This is where the car was actually made, and it may be different from where the manufacturer is located.
- A – H means Africa
- J – R (except O and Q) means Asia
- S – Z means Europe
- 1 – 5 means North America
- 6 or 7 means New Zealand or Australia
- 8 or 9 is for South America
Step 2: Decode the second and third digits. This will tell you the manufacturer of the car.
Some examples include the following:
- 1 Chevrolet
- 4 Buick
- 6 Cadillac
- C Chrysler
- J Jeep
- T Toyota
The third digit is the exact division of the manufacturer.
For example, in VIN “1GNEK12ZX2R298984,” the “G” indicates a vehicle manufactured by General Motors.
A full list of manufacturer codes can be found here.
Step 2: Decode the vehicle descriptor section. The next five numbers, known as the vehicle descriptor section, tell you the brand of the car, the size of the engine and what type of vehicle it is.
Each manufacturer uses their own codes for these numbers and you must know what that is to find out what they mean.
![Serial Serial](/uploads/1/2/5/0/125008950/894688533.png)
Step 4: Decode the check digit. The ninth number is a check digit used to prove the VIN is not a fake.
The check digit uses a complex calculation so it cannot be easily faked.
In VIN “5XXGN4A70CG022862,” the check digit is “0”.
Step 5: Find out the year of manufacture. The tenth number indicates the year the car was made, or the year of manufacture.
It begins with A for 1980, the first year a standard 17-digit VIN was used. Subsequent years follow the alphabet of to “Y” in the year 2000.
In 2001, the year changes to the number “1”, and ascends to “9” In 2009.
In 2010, the alphabet starts again with the letter “A” for 2010 model years.
- In the same VIN example “5XXGN4A70CG022862,” the “C” indicates the vehicle was manufactured in 2012.
Step 6: Determine where exactly the car was manufactured. The eleventh digit tells which plant actually assembled the car.
This digit is specific to each manufacturer.
Step 7: Decode the remaining numbers. The rest of the numbers provide the production or serial number of the car and is what makes the VIN unique to that specific car.
To find out this manufacturer-specific information, you can check their website for a decoding sheet or ask a service repair shop if you can see one.
To learn more about VINs, beyond what each character encodes, check out 'VIN Decoding 101: Everything You Wanted to Know About VINs.'
Part 4 of 4: Enter the VIN online to find out vehicle history information
If you’re more interested in finding out specific information about the car rather than the details of the VIN, you can enter the number at various online sites.
Step 1: Go to CarFax and enter the VIN to find out the history of the vehicle.
- This includes how many owners it has had and if the car has been in any accidents or had claims filed.
- You’ll have to pay for this information, but it gives you a good idea if your VIN is fake or real as well.
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Step 2: Visit your manufacturer’s website.
- Some companies provide VIN lookup on their sites to give you more information about your vehicle.
Read this article if you'd like to find out more about the differences between VIN decoder, VIN check, and vehicle history report services.
Whether you want to find out information about your vehicle’s build, recall information, or your vehicle’s previous history, you can find that information with little to no cost through online services.
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