Cargo handling equipment manufactured by Marathon LeTourneau Company, Houston, Texas, includes a line of marine pedestal cranes, a scrap metal handling crane, container straddle hoists and side porters, and large capacity front-end loaders.
Marathon LeTourneau marine pedestal cranes, installed on all classes of the company's self-elevating offshore drilling platforms and supplied to other segments of the marine industry for installation on other types of vessels, are manufactured in a range of lifting capacities and configurations to meet the variety of cargo handling requirements.
The PCM-350, newest and largest capacity Marathon LeTourneau variable radius marine pedestal crane, has a 60-ton lift capacity at 58-foot outreach. It utilizes dc electric motors for smooth operation and control of main hook and boom luffing, straw line, and crane swing.
Like all Marathon LeTourneau marine pedestal cranes, the PCM-350 can be operated from the cab or a remote station and features a unique gantry with all welded structural components and spring-loaded boom stop member.
Other marine pedestal cranes are the PCM-120AS, and PCM-80AS. The PCM-120AS, with a 50-ton maximum lift capacity with 100-foot boom, is available in optional models PCM-120 and PCM-120C.
Marathon's PCM-80AS has a 30-ton lifting capacity and unique column design which provides ideal support for operation of the swing gear and its motor driven pinion.
Marathon's JC-40S, a 20-ton gross capacity jib crane designed for scrap metal handling, incorporates the same field-proven LeTourneau electric motors found in the company's marine pedestal cranes and in the jib cranes widely used in the logging industry.
Marathon LeTourneau SHU-100 Straddle Hoists, which have a maximum load capacity of 100,000 pounds, are widely used in containerized cargo handling facilities. The Straddle Hoists can span six rows of cargo containers and a truck lane or flat car rail spur. It can work with containers stacked three-high with space to pass a fourth container over the top.
The SHU-100 is powered by a diesel engine with dc and ac generators that supply power to all machine functions. The SHU-100 is capable of hoisting, trolleying, steering and traveling simultaneously. It is a highly versatile and maneuverable machine, primarily due to the unique LeTourneau dc electric wheel system which provides power directly to each wheel.
The company's 2582-CH LeTro Porter, also a container handler with diesel-electric drive, is rated to lift and carry container units weighing up to 67,200 pounds. Models of the 2582-CH are available for handling 20 to 40-foot containers.
Marathon LeTourneau's L-800, a 45,000-pound lift-capacity front-end loader, is used to load railcars with bulk cargoes such as coal, ore and wood chips. The diesel-electric loader is well suited for handling such bulk cargoes at port facilities because of its maneuverability and versatility.
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