Free 1991 Hummer H1 VIN Decoder

How to decode a 1991 Hummer H1 VIN

Characters 1-3 of a 1991 Hummer H1 VIN

A World Manufacturer Identifier (WMI) is a unique code used to identify the manufacturer of a vehicle, consisting of the first three characters of the Vehicle Identification Number (VIN). It reveals significant details about the vehicle, including the manufacturer’s name, vehicle type, and the country of manufacture. For instance, the WMI for a 1991 Hummer H1 is “137,” indicating it was manufactured by AM General LLC in the United States, specifically in Mishawaka, Indiana. This WMI suggests the vehicle falls within the Multipurpose Passenger Vehicle (MPV) category, covering model years from 1991 to 2004 and 2006. Knowing the WMI is crucial for vehicle tracking, registration, and identification purposes.

List of WMI Codes for a 1991 Hummer H1

WMI: 137

• Model Years Covered: 1991-2004, 2006
• Example VIN: 137YA8430ME112649
• Manufacturer Name: AM General LLC
• Vehicle Type: Multipurpose Passenger Vehicle (MPV)
• City: Mishawaka
• State or Province: Indiana
• Country: United States

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 1991 Hummer H1 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 1991 Hummer H1:

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 1991 Hummer H1 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 1991 Hummer H1 VIN — Year Code

11th Character in the 1991 Hummer H1 VIN — Plant Code(s)

Known 1991 Hummer H1 Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 1991 Hummer H1

The final 6 characters in a 1991 Hummer H1’s 17-digit VIN are its serial number, which will be unique to every vehicle.

What info can a 1991 Hummer H1 VIN reveal?

• Model Year: The VIN can reveal the vehicle’s model year as 1991, providing insights into the age and potential market value of the vehicle.
• Engine Type: The VIN specifies that the engine is a V-shaped, 6.5L diesel manufactured by GM, highlighting the engine’s configuration and fuel type.
• Body Class and Vehicle Type: The vehicle is classified as a Multipurpose Passenger Vehicle with a truck body class, indicating its design and potential usage.
• Gross Vehicle Weight Rating: It falls into Class 3, signaling a weight rating from 10,001 to 14,000 lb, which gives an idea about the vehicle’s size and load capacity.
• Transmission Details: The transmission is noted to be automatic with 4 speeds, providing insights into the vehicle’s operation and handling characteristics.
• Manufacturing Location: The VIN discloses that the vehicle was produced in Mishawaka, Indiana, United States, giving specifics on the vehicle’s origin.
• Safety and Design Features: With features such as 4 doors, seating for 4, and Left-Hand Drive (LHD) steering location, the VIN conveys important details about the vehicle’s design and layout for potential users or buyers.

Sample VIN Decode Report for a 1991 Hummer H1

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