Barrus unveils new John Deere engine

Barrus new John Deere PowerTechTM 4045SFM85, suited to light-duty commercial vessels
Industry Database

Seawork exhibitor, Barrus, which celebrated its 100th year anniversary at Seawork in 2017, has unveiled its new John Deere PowerTechTM 4045SFM85, joining the existing line-up of John Deere Marine Tier 3 propulsion engines.

The new 4.5L engine offers high power to weight ratio for repowering and new boats and is ideal for planing and semi-displacement hulls. There are two ratings for light-duty commercial vessels, high-speed governmental applications and high-speed leisure craft, which includes an M4 rating with 205kW (275hp) at 2600rpm and M5 rating with 235kW (315hp) at 2800rpm.

The engine uses a waste-gated turbocharger that provides greater torque capability at low and middle rpm range, which is most notable during vessel acceleration. Replaceable cylinder liners make it possible to rebuild the engine for extended service life.

Additional features of the 4045SFM85 engine include the standard front fuel service, optional left-hand or right-hand oil filter options for twin engine applications and an upgraded valve train. The engine delivers a 40% increase in power and a 9% reduction in total engine weight for a 53% increase in power density compared to the 4045AFM85.

In addition, the low-profile heat exchanger reduces overall height by 1.7” (4.3cm) from the 4045AFM85. It’s water-cooled exhaust manifold creates a cooler and quieter environment for both passengers and crew.

The PowerTech 4.5L engine ratings will meet U.S. Environmental Protection Agency Marine Tier 3 and Recreational Craft Directive II emissions regulations, as well as International Maritime Organisation Tier II standards for commercial and recreational applications. The engine is pending approval by American Bureau of Shipping, DNV GL, Lloyd’s Register and Bureau Veritas and will be the only ABS-certified, 315hp, 4-cylinder inboard diesel engine.

Recognised worldwide as a leading custom-engine builder, Bicester (UK) headquartered Barrus designs and develops marine engines and accessories to meet the specific operational requirements of commercial operators, professional rescue services, and the military and other government organisations.

Mark Coleman, General Manager for the Special Products Division comments on Barrus’ attendance at Seawork, “Seawork is the one event in the year that we get the time to spend with our commercial customers in the fishing industry, professional rescue services, government organisations and the UK military. Seawork has helped us to develop and expand our portfolio of engines.”

See Barrus’ engine line-up at Seawork International, 3-5 July 2018 in Southampton. Visit seawork.com for more information.

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