Contractors World

Contractors World
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construction, demolition, mining and quarrying industries

Contractors World 2011 Volume 2 Issue 10
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Site Equipment - What's New

cwmags: Caterpillar has introduced the new PL83 and PL87 pipelayersCat Launches 2 new pipelayers

Caterpillar has introduced the new PL83 and PL87 pipelayers, which, while retaining the basic design of their predecessors, answer customer needs for increased lift capacity, enhanced slope capability, ease of operation, performance and transportability.

The PL83, replacing the 583T, has a rated lifting capacity of 75 575 kg (160,000 lbs) - a 14% increase. The PL87, replacing both 587T and 587R, has a rated lifting capacity of 97 069 kg (214,000 lbs) - a 6% boost in lifting capacity.

Both new models use the Cat C15 ACERT engine, with a net horsepower rating of 231 kW (310 hp) in the PL83 and 273 kW (366 hp) in the PL87. Both retain the field-proven Cat drive train, including a 3F/3R powershift transmission, high-efficiency torque divider, elevated final drives and the exclusive Cat differential steering system.
Lift system enhancements

The increased lifting capacity for the new pipelayers results from undercarriage and counterweight changes. The track roller frame on both machines has been lengthened and the rear idler repositioned, resulting in higher lift capacity and enhanced stability when the machines work on slopes.

In addition, counterweight packages have been reconfigured to improve weight distribution for increased lifting capacity and to provide a reduced profile to give improved forward and right-side visibility. Counterweight segments (13 for the PL83 and 15 for the PL87) are splined to counterweight assembly for positive retention and ease of removal.

A new low-profile, heavy-duty Pullmaster winch, in the hook draw works, simplifies transport and aids visibility. Improved hydraulics offer greater response and more precise control for greater machine productivity.

Boom choices include 7.32 m (24 ft) and 8.53 m (28-ft) versions, each fabricated with high-tensile-strength steel for durability to handle added payload.

Caterpillar has introduced the new PL83 and PL87 pipelayers with an improved operator stationOperator station refinements

Both models feature an improved operator station with a redesigned joystick that places all boom, hook and counterweight functions in a single right-hand control lever.

Two push buttons at the top of the joystick also allow adjusting engine speed up or down in small increments for precise control. Both machines are available with either an ‘open ROPS’ or enclosed cab.

Productivity and safety are further enhanced with added mirrors that significantly increase visibility for the operator which is also enhanced by a tapered hood and “notched” fuel tank. Dual brake pedals enhance machine control, especially on slopes and for turning within a tight pipeline right-of-way. Both new models also feature a durable, redesigned ladder that allows easier access/egress from the cab.

‘Arctic Arrangement’ offer an enclosed cab with single or dual pane windows, as well as arctic fluids, seals and batteries for optimal pipelayer performance in arctic conditions.

cwmags: more informationClick here for more online information >>> Cat Pipelayers





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Page updated: November, 2011



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Contractors World is many magazines in one - construction news for latest information (read our daily news pages) and a site equipment magazine featuring site reports from around the world and reviews of construction plant and equipment as it is introduced.

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