AC Compacting is the authorized parts and service provider for PIV variable speed products in North America.  For over 55 years, we’ve been providing OEM parts, new replacement variable speed drives and guaranteed drive rebuild services from our New Jersey service center.

We Repair Other Makes of V.S Drives Also

Many variable speed gearbox manufacturers use PIV components in their drives.  We have the capability to repair many types of Link-Belt drives from FMC. If it says PIV on the identification plate, we may be able to help you.

We have the expertise to do the job right

AC Compacting is the factory authorized parts and service provider for PIV variable speed drives in North America for over 55 years.

Guaranteed Service

AC Compacting backs our OEM parts repairs and rebuild services with a comprehensive warranty.


The above are typical identification plates found on PIV Werner Reimers, Posirex, Stufenlos, Posired, and FMC Link-Belt variable speed drives that use PIV internal components.

When ordering parts, replacement drives or resolving technical issues we will NEED TO KNOW the following information from the identification plate.

Drive Type: Examples of Drive Types include RZ0, AB0, A12 and many others designations.

Serial Number: The two-part serial number usually follows this form, 123456 G1

Chain (Kette) Type: This usually begins with a letter followed by a series of numbers and letters. Examples include: RB034, A335VQ, RC370, WK2484S though there are many other designations.

NOT SURE? Email a photo of the identification plate to:
Our technical advisors will be in contact.