Jan de Nul Group Selects Cat® 3500E to Power their Newest Dredgers

Hamburg, Germany – Caterpillar Marine is pleased to announce they have been selected to power three 3,500 m3 Trailing Suction Hopper Dredgers for the Jan De Nul Group with Cat® 3500E IMO III & EPA Tier 4 certified engines. The Cat 3500E features Selective Catalyst Reduction (SCR) after-treatment technology with closed loop NOx sensing and application optimized performance for minimized owning and operating costs.

“Embedded in the Caterpillar design philosophy and business model are two main value drivers — highest uptime and lowest total cost of ownership,” said Javier Soria, territory sales manager for Caterpillar Marine. The 3500E series builds upon the legacy and reliability of the Cat 3500 engine platform, providing customers up to 20 percent greater power density, 10 percent greater fuel efficiency, enhanced durability, and longer life to overhaul while reducing owning and operating costs.

“Dredgers are typically operated around the clock,” said Soria, “so minimizing downtime is intensely important for our customers. SCR was the right technology since it introduced minor changes to the engine itself and made use of one of the most proven emissions reduction technologies within Caterpillar. Uptime is not just a buzzword, it is the result of more than 160,000 SCR installations and 84 million hours of Tier 4 operation accumulated in the Electric Power, Machine, Rail and Marine industries.”

SCR works by injecting urea into the exhaust stream, a catalyst helps convert nitrogen oxide into harmless diatomic nitrogen carbon dioxide and water vapor. The Caterpillar SCR technology is a closed-loop system that senses where the engine is in its operating range and adjusts appropriately, reducing consumption.

“This closed looped control, along with advanced engine combustion calibration ensures exhaust temperatures are in tolerance for the SCR catalyst,” said Soria. “This eliminates the risk of catalyst damage that could occur from higher exhaust temperatures seen in today’s engines.” The engine also utilizes a turbocharger optimized air system to provide much more back pressure capability allowing for a much smaller SCR system.

Caterpillar’s SCR technology minimizes total cost of ownership by cutting the diesel and urea expenses ─ basically by offering the lowest total fluid consumption. “SCRs require minimal to no routine maintenance and most importantly, we've managed to align their lifetime to meet or exceed major engine overhaul,” said Soria.

“Lowering total cost of ownership is one of the most commonly used phrases in the commercial marine industry, and it is also one of the hardest to precisely measure”, said Jim Mundth account manager for Caterpillar Marine. That’s why Caterpillar has gone beyond traditional models to develop EVA™ (Engine Value Analysis) to accurately capture and compare the total lifecycle costs for engine platforms across multiple engine manufacturers.

“The Caterpillar EVA tool is the most robust total cost of ownership tool available in the marine marketplace to help customers’ make an informed and educated decision in their power selection process”, said Mundth. “It supports parameters that aren’t often included in similar analysis tools, including alternative fuels & DEF consumption, load profiles across varied power inputs and emissions regulations, including EPA Tier 4 and IMO III.”

"The key goal of Jan de Nul Group with these new 3500m3 TSHDs was to bring the certified cleanest vessels to the dredging market. We decided to limit emissions below EU Stage V, which is the most stringent emissions regulations in the marine industry so we focused on three key aspects: engineering the most efficient engine room, optimal power management, and making use of exhaust gas aftertreatment systems," said Michel Deruyck, fuel coordinator for Jan de Nul Group. "We quickly realized that the Total Fluid Optimization of the 3512E was unmatched and proven. Thanks to all these measures, we anticipate yearly savings of half a million liters of fuel per vessel running the engines in fuel optimized mode, That's nearly a 9 percent cut in our fuel bill but more importantly, a direct reduction in greenhouse gas emissions” stated Deruyck. 

“The Cat 3500E is truly an IMO III & EPA Tier 4 optimized solution, states Soria. “We did not simply attach an SCR to the 3500C but went further and optimized the 3500E to work as a complete solution. We were able to optimize emissions while at the same time reduce Total Fluid Consumption even below our existing 3500C IMO II engines”

The 3500E is manufactured in Caterpillar’s flagship large engine manufacturing center in Lafayette, Indiana to best serve our more than 10,000 global customers. Like all Cat engines, the 3500E is backed by the Cat Global Dealer Network, long-recognized for world class equipment, parts and service ensuring unparalleled performance throughout product ownership. 

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About Caterpillar Marine

Caterpillar Marine, with headquarters in Hamburg, Germany, groups all the marketing and service activities for Cat and MaK™ marine diesel, dual fuel and gas power and propulsion systems within Caterpillar Inc. The organization provides premier power solutions in the medium- and high-speed segments with outputs from 93 to 16,800 kW in main propulsion and 10 to 16,100 kWe in marine generator sets as well as a comprehensive portfolio of propulsion solutions. The sales and service network includes more than 2,100 dealer locations world-wide dedicated to support customers in ocean-going, commercial marine and pleasure craft wherever they are.

More information is available at: www.cat.com/marine

About Caterpillar:

For over 90 years, Caterpillar Inc. has been making sustainable progress possible and driving positive change on every continent.  Customers turn to Caterpillar to help them develop infrastructure, energy and natural resource assets. With 2016 sales and revenues of $38.5 billion, Caterpillar is the world’s leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives.  The company principally operates through its three product segments - Construction Industries, Resource Industries and Energy & Transportation - and also provides financing and related services through its Financial Products segment.  For more information, visit caterpillar.com.  To connect with us on social media, visit caterpillar.com/social-media.

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