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Authorized PIV Service Center

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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.

Stocking Distributor

We Repair Other Makes of V.S Drives


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.

PIV Drive Identification


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.


AC Compacting has been servicing PIV and other manufacturer’s V.S gearboxes that use PIV internal components for over 55 years.

As a factory authorized service provider, we have the specialized tools and resources to complete your reapir to factory specs.

If your PIV drive was repaired at least once in the last half-century, we probably have it in our service records. In addition to our large OEM parts inventory we maintain an on-site technical library of parts lists and drawings so that future parts requests can be expedited.


OEM Parts

As the factory authorized North American OEM parts and service provider for PIV variable speed drives, our highly experienced team of technicians draw upon decades of service reference to ensure that the right genuine PIV replacement parts are supplied for your drive’ repair or guaranteed rebuild.

Our New Jersey service center maintains a comprehensive inventory of chains, conical wheels, couplings and other common spares for drives that use PIV internal components, even if they are rebranded by different manufacturers.


New V.S Drives

New replacement PIV drives can be a cost-effective way to keep your operations productive well into the future with the reliability and long service life that PIV is known for.

Let us know your drive type and serial number and we will quote you the exact drop-in replacement drive.

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