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Charleston, South Carolina, USA, August 09th, 2011 – Two Terex® SK 415 hammerhead tower cranes are being operated by Detyens Shipyards, Inc., Charleston, South Carolina, where they have proved their excellent lifting capabilities, reliability and cost-effective performance on a daily basis for the past year.

Headquartered in the historic town of Charleston, South Carolina, family-owned Detyens Shipyards is well-experienced in the maritime industry. Founded by merchant mariner Mr. William Detyens in 1961, and owned by son-in-law, Mr. D. Loy Stewart since 1982, the company specializes in the repair, refurbishment and conversion of a balanced mix of government-owned and commercial vessels from the USA and abroad.

Terex SK 415, because safety is essential

From dredgers and barges, to container carriers, tankers and cruise ships, the size of vessels has steadily increased over recent years as the shipping industry has continued to grow worldwide. Detyens has adapted well to changing trends by offering ship owners a quality infrastructure with the ability to handle vessels of much larger dimensions. The acquisition of two Terex SK 415-20 hammerhead tower cranes a year ago has played an essential part in successfully meeting the challenge.


As Loy Stewart, President, Detyens Shipyards explains, “Today’s vessels are very much larger than those that we have traditionally been accustomed to working on. The height, capacity and reach of our Terex SK 415 cranes allow us to reach the ships’ extremes while enabling our operators to see exactly what they are doing, which is paramount to efficiency and safety.”

For Detyens, whose heavy workload means that the cranes are in constant use, there’s no question of compromising on safety, as accounted for by the Shipbuilders Council of America’s “Safest Shipyard” award won by the company on five occasions, most recently in 2010.

Efficient, cost-effective operation and comfort

Set up with a 197-foot jib and 150 and 189-foot under hook height, the cranes are used individually at strategic locations servicing the pier for alongside repairs, and two dry docks from a fixed location. Operated to place and remove supplies and equipment, the weight of the loads lifted varies enormously.


Our SK 415s are very quick and efficient, which is just what we need in our busy job where timing really counts. Their smooth controls, visibility and comfort are a great benefit to our riggers and operators in the precision and safety of operations. They are also much happier in their jobs and less fatigued at the end of the day,” remarks Stewart.

In comparison to other cranes used by the company, the Terex SK 415 has also proved to be an economical model to run. “Our gantry cranes are diesel-electric and burn a considerable amount of fuel,” says Stewart. “The SK 415s are electric which makes them a lot cheaper to operate.”

Terex Cranes, great on service

Of course, a company that relies on its cranes to work smoothly all day, almost every day of the year, also counts on quality service and support. “The SK 415s are quite new to us, and the team has always been very helpful and responsive to our needs,” says Stewart. “In fact, Terex is now one of our preferred vendors.”

About the Terex® SK 415 Hammerhead Tower Crane and SK Series

Designed for easy maintenance and reliable performance for optimum uptime, the three models of the Terex SK Hammerhead Tower Crane series offer jib lengths from 40 to 80 meters (131.2 to 262.5 feet) for maximum load capacities from 16 to 32 tonnes (17.6 to 35.3 US tons). Their range of freestanding heights reaching up to 75.8 meters (248.7 feet) makes them well-suited to lifting heavy loads on high-rise construction sites. Fully compatible with Terex CTT and CTL Tower Cranes, the SK series provides excellent maneuverability and load moment precision. Equipped with a comfortable ergonomic cab, time-saving counterweight set-up, high-performance load diagram, and built-in safety features, their reputable time-proven design quality and components are engineered to deliver safe, reliable, cost-effective performance for long working hours.


About Detyens Shipyards, Inc.

Headquartered on the Cooper River in Charleston, South Carolina Detyens Shipyards Inc. has 50 years experience in the marine industry. Focusing on the repair, refurbishment and conversion of large shipping vessels, Detyens Shipyards has the ability to provide government-owned and large commercial shipping companies the expertise, quality dry-docking and excellent infrastructure of 33 marine and industrial companies that serve the fast growing port of Charleston. More information on Detyens Shipyards can be found at


About Terex

Terex Corporation is a diversified global manufacturer operating in four business segments: Terex Aerial Work Platforms, Terex Construction, Terex Cranes, and Terex Materials Processing. Terex manufactures a broad range of equipment for use in various industries, including the construction, infrastructure, quarrying, mining, shipping, transportation, energy, refining, and utility industries. Terex offers financial products and services to assist in the acquisition of Terex equipment through Terex Financial Services. More information on Terex can be found at





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