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.
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: July 5, 2013
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