ZF Hurth Marine ZF 63 IV V-Drive Marine Transmission 1.29:1 - Used

ZF Hurth Marine 63-series mechanical marine transmission, data plate reading ZF 63 IV with a 1.29:1 ratio (V-drive configuration per the plate — verify before ordering). Application: marine propulsion gearbox for inboard diesel installations originally equipped with a ZF/Hurth 63-series V-drive gear; application not verified from photographs. Condition: used take-off, untested. Complete-appearing core assembly with surface dirt, chipped paint, and light hardware corrosion; internals unknown and no test evidence is offered. Damper plate, output coupling, cooler, and shift cable are not included unless pictured. Gear oil will be drained and ports capped before shipping. Ratio, rotation, bell housing pattern, damper plate spline, and shift side must be matched to your engine. 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.