Marine drives Marine Drives Marine drives power ships—efficiently, reliably, and with high performance. include gearboxes, couplings Couplings Couplings connect two shafts to transmit torque. , and auxiliary systems specifically designed for maritime applications. They must meet high standards for continuous operation, corrosion resistance, and noise reduction. RENK delivers tailored solutions for commercial, naval, and special-purpose vessels—from high-performance gear units to quiet, compact systems.