Following an announcement by John Deere Power Systems on October 2018 in Waterloo, Iowa, the new PowerTech 4045SFM85 marine engine is now ready to ship to customers worldwide, including Australia, New Zealand and the South Pacific region.
The new 4045SFM85 offers high power-to-weight ratio for re-powering and new boat construction, and is ideal for planing and semi-displacement hulls. The engine uses a waste-gated turbocharger that provides more torque capability at the low and middle rpm range, which is most notable during vessel acceleration, and features replaceable cylinder liners, making it possible to rebuild the engine for extended service life.
Additional features of the 4045SFM85 engine include standard front fuel service, with optional left-hand or right-hand oil filter options for twin engine applications, and an upgraded valve train, which delivers a 40 per cent increase in power and a nine per cent reduction in total engine weight for a 53 per cent increase in power density compared to the 4045SFM85.
The low-profile heat exchanger reduces overall height by 4.3cm from the 4045SFM85, and the water-cooled exhaust manifold creates a cooler and quieter environment for both passengers and crew.
The 4045SFM85 has two ratings for light-duty commercial vessels and high-speed governmental applications, which include an M4 rating with 205 kW at 2,600rpm and M5 rating with 235 kW at 2,800 rpm.
The 4045SFM85 engine ratings meet EPA Commercial Marine Tier 3, as well as IMO Tier II standards for commercial applications.
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