Wisconsin Department of Transportation

Alert: The following services will be unavailable on Saturday, January 5, 2013 from 12 a.m. (midnight) to 6 a.m. CST due to system maintenance.

Heavy trailers, tractors and trucks

Most heavy vehicle registration plates may expire at three-month intervals or annually in December. Two stacked letters are stamped on the left. The top letter on the left indicates the registered gross weight. They receive a combined month and year sticker. Place the sticker to the right of the plate number.

See also Farm trucks and trailers

Sticker placement example for heavy trailers, tractors and trucks

Applicable plate types: 

  • Apportioned (IRP)* - APO
  • Special X - SPX
  • Tractor - TOR
  • Trailer (Heavy) - TRL
  • Trailer (Transferable) - TRL
  • Truck (Heavy) - HTK

* Apportioned vehicle (IRP) plates receive a weight sticker only.

These registration plates also receive a restricted use sticker, which is placed above the month/year sticker.

  • Farm truck tractors
  • Vehicles transporting bulk liquid dairy products
  • Vehicles transporting raw forest products
  • Grading, ditching, excavating or hauling vehicles
  • Special mobile equipment
Questions? Contact us: Wisconsin DMV email service

Last modified: January 6, 2014

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