Serial Number Lookup

If your truck is missing its Serial Number Data Plate and if you are not sure where else to start, try using our Clark Truck Identification by Picture section under the Used Forklift Trucks tab.

Let us know which model / year your truck appears to be and we will provide further assistance.

This table shows how to format your serial number input into the Lookup fields.

The serial number is stamped into the frame.

This photo shows the two most common locations for serial numbers for Clark trucks built through 1994.

Go to our Used Equipment tab and the section titled Clark Serial Number Location for more information on serial number locations for various models of trucks.

From approximately 1949 to 1958, a letter system was used to identify the year and month of production.

The letter system spells CLARK EQUIPMT

The serial number of the truck consists of:

Two or more letters and numbers designating the Model, plus
One to three numbers designating the Unit Number, plus
Two letters designating the Year and Month of production of the truck, plus
In some cases, starting in 1954, one to three additional numbers designating a "Lot Number".

Lot Numbers were first used in 1954, and some serial numbers will include both the Two Letter date code and a Lot Number. The "Lot Number" can be used to identify the year of manufacture of the truck, or

The last two letters can be used to identify the Year and Month of manufacture of the truck.

From approximately 1931 through 1948, the truck serial number consisted of:

A group of letters (usually two to four letters) designating the model, and
A group of numbers, the first two of which designates the year of manufacture and the balance of which are the machine unit number.

Following is a listing of the model prefix code letters and numbers that appear at the beginning of a serial number sequence to identify the model or truck type.

To identify the correct parts for your lift truck's upright including cylinder packings, chains, and roller bearings, we need the Upright Deck Number which is stamped into the front edge of the outer rail.