Allison HD Transmission Rebuild Kit

Xcalliber stocks a complete selection of Allison HD transmission rebuild kits for the demanding HD, B500, 4000RDS, and T400 series transmissions. These heavy-duty units power everything from refuse trucks and fire apparatus to construction equipment and long-haul commercial vehicles. To rebuild machinery of this magnitude, you need components you can trust.

We source, manufacture, and quality-check our Allison B500 rebuild kits to perform under the high-torque, high-cycle conditions these transmissions face. Our Allison T400 rebuild kits include clutch packs, seals, gaskets, filters, bearings, and hard parts, giving shops and fleet operators everything needed for a complete overhaul.

Manufactured and supplied from Brookfield, Connecticut, since 1984, Xcalliber brings extensive HD-series knowledge to every order. We serve commercial fleets, transmission shops, and dealers across North America and worldwide, delivering quality, dependability, and competitive pricing on every kit.