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How old is my KitchenAid appliance?

Type the serial number from the KitchenAid label to see when it was built. KitchenAid units are built by Whirlpool, so the serials follow that company's format.

Reading a KitchenAid serial number

KitchenAid is a Whirlpool brand. Its serials use the Whirlpool code: plant letter, year character, then the week. D74703117 means week 47 of 2017.

About KitchenAid

KitchenAid began in 1919 as the name of a stand mixer made by the Hobart Manufacturing Company.
Hobart added a KitchenAid home dishwasher, the KD-10, in 1949.
Whirlpool bought the KitchenAid division from Hobart in 1986.
KitchenAid stand mixers are built in Greenville, Ohio.

Sources: KitchenAid | Encyclopedia.com, Whirlpool Corporation | Encyclopedia.com, United States & Canada Locations | Whirlpool Careers

Whirlpool plant, year and week

Used 1970s to today. Example: C60842986

The serial starts with a plant code of one or two letters. The next character is the year and the two digits after it are the week. Year codes repeat: digits stand for the 1970s, 1980s or 2010s, and the 1990s letters came back in 2020.

Worked example: D74703117 fits Week 47 of 1977 (around November) or Week 47 of 1987 (around November) or Week 47 of 2017 (around November). The page above explains how to tell which.

The full lookup tables are on the Whirlpool page, since KitchenAid uses the same code.

Sources: Whirlpool service manual W11197006, model and serial nomenclature (PDF), Whirlpool service manual W11174422, wall ovens (PDF), Electrical-Forensics: Whirlpool date codes

Standing at the unit? Use your phone

Point your phone’s camera at this code. The scanner opens and reads the label for you.

Same serial number format as KitchenAid: Admiral, Amana, Estate, Inglis, Jenn-Air, Kenmore, Maytag, Roper, Whirlpool.

Formats on this page were last checked against their sources in October 2026. KitchenAid is a trademark of its owner. This page is independent and not affiliated with or endorsed by KitchenAid. For warranty questions, contact KitchenAid directly.

Where the serial is on a KitchenAid

On a refrigerator, look on the inside wall of the fresh food section near the top. On a dishwasher, check the edge of the inner door or the side of the tub opening. On a range, open the oven door and look on the frame, or behind the storage drawer. On a washer or dryer, check under the lid, around the door opening, or on the back of the console.