Nanni marine diesel engine T8.350 with ZF Hurth reversing gear ZF68AR=2.00:1

The Nanni T8V.350 is a 4.5-liter V8 marine diesel engine in a 90° V-configuration, delivering an output of 257 kW (349 hp) at an engine speed of 3800 rpm. It is based on a Toyota engine block featuring double overhead camshafts (DOHC) and four valves per cylinder. Utilizing a combination of an electronically controlled high-pressure Common-Rail injection system and twin-turbocharging with intercooling, the engine generates a torque of 800 Nm at 2600 rpm.

This complete propulsion unit comes factory-equipped with a ZF Hurth ZF 68 A hydraulic reversing gearbox, featuring an 8° down angle and a reduction ratio of 2.00:1. The standard configuration includes a fresh water cooling system (dual-circuit) with a heat exchanger, an integrated fuel cooler, a transmission oil cooler, and a 120A alternator. The engine complies with RCD 2013/53/EU and EPA Tier 3 emission regulations and is designed for application in fast motor yachts and sports cruisers (M6 rating).