Manitowoc debuts National, Grove units

04 March 2008

Manitowoc Crane Group showcased the National Crane 1400A boom truck at ICUEE. The crane has a 33-ton capacity rating and features a 27-foot, five-section boom, which, the company said, is the longest in its size range. The longer boom allows the operator to perform more lifts without the use of a jib, reducing setup time and improving efficiency. The unit is also available with a 100-foot, four-section boom and a 110-foot four-section along with an optional 25 to 44 foot jib. The boom truck's maximum vertical reach is 171 feet.

The boom also has “Easy Glide” self-lubricating wear pads, which reduce the conditions that cause boom chatter and vibration, resulting in smoother crane operation, the company said. Also giving smooth operation is a pressure-compensated load-sensing hydraulic system. The 1400A has “H”-style multi-span “out-and-down” outriggers, which have a 24 1/2 foot span fully extended, but can also be set up mid-span at 17 feet.

The boom truck also features a load moment indicator system with graphical display, boom lift and telescope, winch and anti-two block control. It also includes WADS (work area definition) as standard equipment.

The new Grove YardBoss industrial crane was also exhibited. The 9-ton capacity YB4409-2 offers 360 degree continuous rotation. It has longer reach and higher capacity than other cranes within its class with a three-section, full power boom that extends to more than 38 feet tip height.

“The YB4409-2 crane fits between our 8.5 US ton YB4409 and 10.5 US ton YB4411 models,” explained Tom McCallum, director of industrial crane sales for MCG. “Its design comes from the cost-effective chassis from the YB4409, joined with the upper portion of the YB4411. The result is a higher capacity, more functional crane.”

The crane also offers lower ground bearing pressure because of its 10% increase in outrigger pad area versus other cranes. A pivoting boom head allows for low-profile operation at boom angles above five degrees. With the boom at its maximum angle, the YB4409-2 offers dimensions from boom tip to the base of hook opening of just 43 inches.

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