Marine Transmission Core - Unidentified ZF / Hurth / Twin Disc Style Gearbox - Used Core

Application: Marine propulsion transmission / marine gear core, suitable as a rebuild core or parts donor for a ZF, Hurth, or Twin Disc style marine gearbox (exact model not confirmed from photos). Condition: Used, untested core — sold as-is for rebuild or parts. Heavy exterior oxidation, dirt, and light surface rust on shafts; internal condition unknown; no readable data plate. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.