Hummer Gearbox Number

Hummer Gearbox Number

Your Hummer’s gearbox number can provide valuable information about the transmission system in your vehicle. By decoding the Hummer gearbox number, you can gain insight into the transmission type, production year, and other important details about your Hummer’s transmission system. In this article, we will explore how to decode your Hummer’s gearbox number, as well as the importance of understanding your vehicle’s transmission system.

What is a Hummer Gearbox Number?

A Hummer gearbox number is a unique identifier that is assigned to each transmission unit during the manufacturing process. The Hummer gearbox number is typically located on the transmission case or housing and is used to identify the type of transmission, production year, and other details about the transmission system.

The engine identification number can be found out through a Hummer VIN Number search.

Location of the Hummer Gearbox Number

The location of the Hummer gearbox number can vary depending on the specific Hummer model and year. In some cases, the gearbox number may be stamped on the transmission case, while in others, it may be printed on a label or tag that is attached to the transmission housing. You can consult your Hummer owner’s manual or contact your local Hummer dealership for assistance in locating the gearbox number.

To locate the gearbox number on your Hummer, you can refer to your vehicle’s owner’s manual or contact your local Hummer dealership for assistance.

Cariffy can provide guidance on where to find the gearbox number and how to decode it to gain insight into your Hummer’s transmission system.

Location of the Hummer H2 and H3 Gearbox Number

The Hummer H2 and H3 gearbox number is located at the left rear side of the gearbox.

Location of the Hummer Gearbox Number

Decoding the Hummer Gearbox Number

Decoding the Hummer gearbox number requires some knowledge of transmission identification codes. Here is a breakdown of what each character in the Hummer gearbox number represents:

  • The first character represents the manufacturer of the transmission.
  • The second character indicates the transmission type. For example, “M” represents a manual transmission, while “A” represents an automatic transmission.
  • The third character identifies the number of forward gears in the transmission.
  • The fourth and fifth characters represent the production year of the transmission.
  • The sixth character represents the manufacturing plant where the transmission was built.
  • The seventh through ninth characters represent the production sequence number.

For example, let’s say the gearbox number is “GM4L60E123456”. Here’s what each character represents:

  • The first two characters “GM” represent the manufacturer of the transmission, which in this case is General Motors.
  • The third character “4” indicates that the transmission has four forward gears.
  • The fourth and fifth characters “L6” represent the production year of the transmission, which in this case is 1996.
  • The sixth character “0” represents the manufacturing plant where the transmission was built.
  • The seventh through ninth characters “E123456” represent the production sequence number.

Decode Hummer H2 Gearbox Number

Decode Hummer H2 Gearbox Number

7

KZ

D

187

A

16588320

1

2

3

4

5

6

1 = Year of production (7 = 2007)
2 = Gearbox model (KZ no more information)
3 = Gearbox typ (D = Hydra-Matic 4L60-E transmission)
4 = Date of manufacture (187th day of the year of production or according to the Julian calendar)
5 = Production series (A, B, J, K, S = first series/C, E, H, L, W = second series)
6 = Serial number

Decode Hummer H3 Gearbox Number

production plant Ramos Arizpe, Mexico

Decode Hummer H3 Gearbox Number

6

SP

D

4

187

A

16588320

1

2

3

4

5

6

7

1 = Year of production (6 = 2006)
2 = Gearbox model (SP no more information)
3 = Gearbox typ (D = Hydra-Matic 4L60-E transmission)
4 = Production plant (4 = Ramos Arizpe)
5 = Date of manufacture (187th day of the year of production or according to the Julian calendar)
6 = Production series (A, B, J, K, S = first series/C, E, H, L, W = second series)
7 = Serial number

By decoding the Hummer gearbox number, you can determine the type of transmission in your Hummer, as well as the production year and other important details about the transmission system.