The serial number label for table trucks is placed on the underside of the rail.
If you have difficulty locating the label, make sure you have check both sides of the cart. Additionally, check both the top and bottom rail of the unit.
Once you have located the serial number label, your serial number is the alphanumeric code directly in the center of the bar code in large print. Directly below the serial number is your product's model number. The color of the product is located under the product model number.