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Keeping the Inland Waterways Transportation Sector Moving

Min Reading Time
August 24, 2023
Wolfgang Schmid,
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Wolfgang Schmid Head of Industrial Technology Division North America. Head of Business Unit Marine and Special Driveline Technology North & Central America.
Around the world, inland waterway transportation is a vital business. In the U.S., our nation’s inland waterway systems include 12,000 miles of commercially navigable channels to serve 18 states and many industrial and agricultural centers, as well as to facilitate imports and exports at gateway ports. Each year, 624 million tons of waterborne cargo transit these waterways, representing around 14 percent of all intercity freight and an overall value of $70B. The Mississippi River alone carried more than 500 million short tons of imports, exports and domestic freight in 2019, including 92 percent of U.S. agricultural exports and 78 percent of grain for livestock. Keeping this freight moving – along with the tugs, barges and vessels responsible for doing so – is not only critical to the shippers, but also to the larger U.S. economy.
As suspected, inland waterway transportation is a 24/7 operation. Customers place high demands on transportation companies to deliver oil, chemicals, grain and more safely and on time. The stakes are high for operators due to the domain’s inherent challenges. These include areas of high traffic, shallow and high waters, swift currents, bends and tight turns – combined with the fact that much of the cargo is either hazardous or volatile, and often time sensitive.
"Once we’ve sold a product to a client, we don’t stop working. We strive to meet or exceed our customers’ expectations."
Walter Fienco, Product Manager, Commercial Thrusters
“It is imperative that vessel operators are able to keep their vessels running reliably and safely in this unique industry,” explained ZF Marine’s Walter Fienco, product manager, commercial thrusters.
“As consumers, we use products daily that have been transported aboard inland waterway vessels. Not everyone realizes that, but we would all feel the effects of it if there was a supply chain disruption.”
Traditionally, ZF has supported river-pusher tugs, ranging from 800 to 5,000 hp (primarily in the 2,000 hp range), and small truckable tugs. In 2007, ZF blazed new trails when it developed the first-ever azimuth thrusters for inland waterways. Southern Towing Co. adopted these innovative products, which offered revolutionary 360-degree control, for their new-build program – a decision that proved to not only be safer and more efficient, but also more cost effective. Today, ZF Marine continues to set the industry standard for marine thrusters.
In terms of products offered, ZF currently provides several types of thrusters, including well-mounted thrusters, and has begun offering products from its new AT Series. As operators work towards reducing emissions and making their businesses more sustainable, ZF offers a thruster portfolio that is well positioned to meet coming requirements. Already available and on the market, ZF Marine offers thruster solutions that integrate with electric systems, especially those in the ferry and workboat market. ZF Marine thrusters are one tool vessel owners can use to help bridge the gap to zero emissions or net-zero emissions now and in the future.
The company also offers robust ZF ClearCommand control systems and W-Series gear boxes. Excitingly, ZF is also currently testing a new condition monitoring system for Z-drives, which will be available later this year globally.
Beyond these products, ZF supports existing inland waterway clients with top-notch customer care. The company often offers same-day service and delivery, with response times ranging from four to six hours. Specifically, conventional boats require engine or gearbox replacement within 24 to 48 hours to meet customer demand.
In addition to the above advantages, customers also benefit from the worldwide availability of spare parts through all the ZF service points in the global ZF Marine network. Thanks to the ZF Service Readiness Program with selected and qualified service partners, spare parts and service expertise are 24/7 available worldwide. Find a dealer closest to you on ZF Marine’s Commercial Thruster Dealer Map.
“Once we’ve sold a product to a client, we don’t stop working. We strive to meet or exceed our customers’ expectations, said Fienco. “Our response times are critical and something we’ve proudly built our reputation upon.”

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