Nanni marine diesel engine N4.65 with ZF Hurth reversing gear ZF25HR=2.8:1

Nanni Marine Diesel Engine N4.65 with ZF Hurth Reversing Gear ZF 25 H (R=2.80:1) Powerful and technologically advanced 4-cylinder in-line marine diesel engine (43.4 kW / 59 hp at 2700 rpm) built on a dependable Kubota engine block. Thanks to turbocharging and the innovative E-TVCS indirect injection system, this 2.4-liter engine delivers an impressive peak torque of 168 Nm at just 1800 rpm for superior thrust. This complete propulsion package comes equipped with a hydraulic ZF Hurth ZF 25 H marine gearbox featuring a straight/inline output (coaxial) and a high-torque 2.80:1 reduction ratio, making it ideal for heavy-duty propeller configurations and maximum responsiveness at lower speeds. The engine features internal balancers for exceptionally smooth, low-vibration operation, a closed cooling system with a heat exchanger, and a high-output 120A alternator. Fully compliant with RCD 2013/53/EU, BSO 2, and IMO Annex VI regulations, it offers a compact, highly reliable, and single-side serviceable drivetrain solution for larger sailing yachts and heavy displacement cruisers.