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The serial plate is usually mounted on the pump box, main frame, or column. Look for a small metal plate with the Maxon logo. It will show your Serial Number and Model like this:

Serial and Model are usually the top two rows on the plate.

Although this information is taken from an OEM Maxon manual, if you're unsure whether it matches your exact model and year, please contact our team. Part numbers can vary by year — even within the same model — and we're always happy to confirm the correct parts for you.

Parts List

The Waltco serial plate is a small metal tag riveted to the pump box, main crossmember, or column. On WDV and MDL series it's most often on the driver-side pump housing; on EM series it's typically on the crossmember between the mounting brackets. The plate shows the Serial Number and Model.

Format hints: older units use 6-digit numbers (e.g. 460000), mid-era units start with M or W (e.g. M12500, W4200). Enter what you have — we'll narrow the manual to your build era.

Plate missing or unreadable? Call (210) 667-1171 or text a photo of your liftgate — we'll ID it.

Tommy Gate plates are mounted on the column, mount frame, or under the platform edge depending on the series. Look for the model designator (e.g. G2-40, G2-50, TKR, TKL, TKT, Cargo-650) and a serial number. The model designator is what you need to pick the right series from the list below.

Still not sure? Call (210) 667-1171 or text a photo of the plate — we'll ID it.

Although this information is taken from an OEM Waltco manual, if you're unsure whether it matches your exact model and year, please contact our team. Part numbers can vary by year — even within the same model — and we're always happy to confirm the correct parts for you.

Section Diagram

Parts List