Nanni marine diesel engine T4.205 with Technodrive reversing gear TTM40AR=2.04:1

Nanni T4.205 with Technodrive TTM40A (R=2.04:1) High-performance 4-cylinder common-rail marine diesel (147.2 kW / 200 hp at 3600 rpm) built on a Toyota block with turbo and intercooler. Delivers 506.1 Nm of torque at 2000 rpm for rapid acceleration, featuring DOHC and internal balancers for quiet, low-vibration operation. Equipped with a hydraulic TTM40A gearbox with a down angle output and a 2.04:1 reduction ratio for smooth shifting. Features closed cooling, a heat exchanger, and a 100A alternator. Fully RCD 2013/53/EU and EPA Tier 3 compliant; perfect for fast motorboats and sports cruisers (M6 rating).