Free 1984 GMC Heavy Conventional VIN Decoder

How to decode a 1984 GMC Heavy Conventional VIN

Characters 1-3 of a 1984 GMC Heavy Conventional VIN

A World Manufacturer Identifier (WMI) is a unique code designated to each vehicle manufacturer around the globe, forming the initial characters of the Vehicle Identification Number (VIN), which provides essential details about the vehicle. In the case of the 1984 GMC Heavy-Conventional, the WMI “1GT” indicates that it is a product of General Motors LLC, signifying its country of origin as the United States, with the assembly taking place in Warren, Michigan. This code not only certifies the manufacturer but also hints at the vehicle type, in this instance, a truck, offering a systematic approach to identifying vehicles and their basic characteristics globally. This allows for consistency and ease of vehicle identification across the automotive industry, ensuring that every vehicle can be distinctly recognized and traced back to its manufacturer, model year, and place of manufacture.

List of WMI Codes for a 1984 GMC Heavy Conventional

WMI: 1GT

• Model Years Covered: 1984
• Example VIN: 1GTM9C1C4EV516907
• Manufacturer Name: General Motors LLC
• Vehicle Type: Truck
• City: Warren
• State or Province: Michigan
• Country: United States

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 1984 GMC Heavy Conventional VIN

These characters correspond to components like:

• Engine type
• Transmission
• Model or trim
• Body style
• Gross vehicle weight range

Below find the known vehicle descriptor codes for a 1984 GMC Heavy Conventional:

Auto manufacturers have some discretion to decide how they want to code this section, but its contents and decoded results are generally consistent.

Character 9 is the “check digit” in a 1984 GMC Heavy Conventional VIN.

Based on a formula developed by the US Department of Transportation, it helps reduce fraud by ensuring the validity of the VIN.

10th Character in the 1984 GMC Heavy Conventional VIN — Year Code

11th Character in the 1984 GMC Heavy Conventional VIN — Plant Code(s)

Known 1984 GMC Heavy Conventional Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 1984 GMC Heavy Conventional

The final 6 characters in a 1984 GMC Heavy Conventional’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your GMC Heavy Conventional’s VIN below:

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What info can a 1984 GMC Heavy Conventional VIN reveal?

• Model Year: The VIN can reveal the vehicle’s model year, suggesting that it may be a 1984 model, providing insights into the age and potential market value of the vehicle.
• Engine Details: It can be seen that it features a robust Cummins engine model 240-400 NTC with an engine displacement of 855 CI (14.0 L), designed to deliver substantial power for heavy-duty tasks, indicating the vehicle’s high-performance capabilities.
• Body Class and Type: The VIN details a Truck-Tractor with a conventional MDHD (Medium Duty/Heavy Duty) cab type, offering insights into the vehicle’s design and intended use, providing potential buyers with a better understanding of the vehicle’s purpose.
• Drive Type and Brake System: It specifies a 4x2 drive type paired with an air brake system, giving clues about the vehicle’s handling characteristics and safety features, potentially influencing purchasing decisions.
• Fuel Efficiency: The primary fuel type for this vehicle is diesel, suggesting its efficiency and performance dynamics for potential operators, indicating a preference for fuel economy and torque.
• Gross Vehicle Weight Rating: Classified under Class 7, indicating a GVWR range from 26,001 to 33,000 lb, crucial for understanding the vehicle’s load capacity and operational classification, providing key information for commercial use or towing purposes.
• Manufacturing Details: Assembled in Pontiac, Michigan, United States, this detail offers information on the vehicle’s origin, potentially contributing to its historical and resale value, giving insights into its production history and potential regional influences.

Sample VIN Decode Report for a 1984 GMC Heavy Conventional