Brazilian pusher tug duo will have fuel-flexible Wärtsilä main engines

Two pusher tugs under construction for Brazilian agribusiness and commodities giant AMAGGI will have Wärtsilä main engines The tugs are under construction at the Beconal shipyard, located in Manaus, Brazil, and are designed with a focus on decarbonized operations. The engines will run on biodiesel, a capability that was a key factor in their selection.

“The fuel flexibility of the Wärtsilä engines will enable these two new pusher vessels to operate using environmentally sustainable biofuels,” says Claudinei Zenatti, logistics and operations director, AMAGGI. “By using biodiesel, these engines are expected to lower total greenhouse gas emissions, supporting both our company’s environmental commitments and the broader goal of delivering more sustainable river transport.”

The pusher tugs will each operate with two Wärtsilä 20 engines, equipped with a Wärtsilä data collection unit (WDCU). The engines are able to run on either diesel or biodiesel fuel with a total power output of 2,100 kW. This will allow each ship to push as many as 20 barges, carrying a total of 32,000 tons of grain on the Amazon inland waterway system. The Wärtsilä equipment is scheduled for delivery to the yard commencing in August 2026.

“AMAGGI is the first pusher tug operator to run entirely on biodiesel – a step aligned with our shared commitment to decarbonized shipping,” says Genil Mazza, newbuilding sales manager, LatAm, at Wärtsilä Marine.”The Wärtsilä data collection unit (WDCU) will enable accurate monitoring of the engines, which promotes performance reliability and the benefit of extended overhaul intervals

AMAGGI operates a river fleet comprising 212 barges and pusher vessels. Wärtsilä and AMAGGI share a longstanding partnership, having collaborated for more than 30 years to advance sustainable and efficient river transport solutions in Brazil.

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