The Yanmar KM35A2 Gear R 2.64 for 4JH5 is an OEM Yanmar marine transmission component designed for compatible Yanmar 4JH5-series diesel engines requiring a compact inboard reduction gearbox. Featuring a 2.64 reduction ratio, this marine gearbox supports efficient power transfer from the engine to the propeller shaft in compatible sailboats, powerboats, marine gearbox replacement projects, repower applications, and new inboard diesel installations.

The Yanmar KM4A Gear R 1.47 for 4JH5 – KM4ASS-5 is an OEM-style Yanmar marine gearbox designed for compatible Yanmar 4JH5-series diesel engine installations. It functions as the mechanical transmission interface between the engine and propeller shaft, helping transfer engine output through an inboard marine drivetrain. Built for sailboats, auxiliary powerboats, repower projects, and replacement gearbox applications, this KM4A 1.47 reduction gearbox is intended for marine installations where correct ratio, alignment, and drivetrain compatibility are essential.

The Yanmar KM4A2 Gear R 1.47 – KM4A2SS is a precision marine transmission designed to deliver efficient power transfer, optimized propulsion control, and reliable gearbox performance. It is engineered for compatibility with Yanmar JH-series engines, providing dependable integration for marine propulsion systems.

The Yanmar KMH4A Gear R 2.04 for JH3-DTE / JH4-TE is an OEM Yanmar marine transmission component designed for compatible Yanmar diesel propulsion systems requiring an inboard reduction gearbox. Featuring a 2.04 reduction ratio, this KMH4A-series marine gearbox supports controlled power transfer from the engine to the propeller shaft in compatible sailboats, auxiliary powerboats, replacement projects, and JH-series repower installations.