National Crane Plans to Unveil New Boom Trucks at ConExpo
 |
|
Enlarge Image
|
January 9, 2014 - National Crane introductions on each end of the capacity spectrum will make their debuts in Manitowoc's booth at ConExpo.
The largest National Crane ever built, the NBT60, is a 60-ton capacity crane with a 128-ft. five-section, full-power boom. A 26- to 45-ft. two-section offsettable manual extension is available for the crane.
Despite its large size, the NBT60 will be roadable without the need for additoinal permits in many regions. The NBT60 is expected to be useful for the oil and gas industry, as customers working in oil and gas were the primary drivers of the NBT60's development, as well as the crane rental industry.
Other features on the NBT60 include two-piece, hydraulically removable counterweight slabs that can be stowed on the front outrigger box to provide different roading configurations; ground level and in-cab CANbus outrigger controls with a new beam position sensing system that aids the operator in selecting the right load chart based on the crane’s outrigger footprint; an X-shaped footprint that eliminates the need for a single front outrigger; and front bumper control of the hoist(s) for quick road setup configuration.
NBT15 Series
National Crane’s new NBT15 Series meets the needs of buyers in the rental, railroad, and municipalities markets where pricing is competitive. The three crane models in the series – the 14-ton capacity NBT14, 15-ton NBT15, and the 16-ton NBT16 – give customers more choices between the 10- and 18-ton capacity classes.
All three crane models in the new series feature a 60-ft. three-section boom. A 22-ft. single-section jib is also available for even greater reach.
User-friendly electronic toggles have replaced hydraulic levers on the crane’s remote controls for more precise movements. Crane operators are reporting that the new radio remote system is easy to use, allowing them to be closer to the load as they perform the lifts.
These cranes also feature updated out-and-down outriggers, in comparison with the older A-style outriggers that offered only one configuration. The improved outriggers expand between a fully extended 17'4"; mid-span of 12'4"; and retracted span of 7'4", providing operators to adapt to different jobsite conditions and spaces. Each width has a different load chart.
For oilfield and railroad applications, National Crane has designed an alternate boom rest that allows a removable boom to be placed from the base of the pedestal to the mid-section of the boom. This enables the crane to lift or carry materials longer than the bed.
