TORQUE CONVERTERS
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About us
Xcalliber (DBA DEFEO MANUFACTURING prior to 2020) has been supplying parts and services to the Allison® Transmissions industry worldwide since 1984. Serving customers with commercial Allison® Transmission applications, as well as those with GM/Duramax Allison® applications. With multiple facilities in Brookfield, Connecticut, Xcalliber’s experienced team of engineers and technicians design, manufacture and rigorously test their parts to guarantee optimal performance in all vocations. In house design and production, coupled with direct relationships with some OE manufactures, enables Xcalliber to be a very reliable and competitive source for anything related to your Allison® Transmission.