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Construction Equipment Guide
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Fri July 19, 2013 - National Edition
The six-axle steer dolly from Talbert Manufacturing offers versatility, additional steering control and extra capacity to handle self-supporting superloads for a variety of industries. The 60-ton (54 t) dolly is ideal for everything from heavy, low-riding materials, such as bridge beams and steel girders, to tower sections for wind energy development.
Originally developed for use with Talbert’s double schnabel to haul wind energy components such as tower bases, sections and blades, the six-axle steer dolly can now be used as a stand-alone product for alternate trailer configurations.
The unit comprises two groups of three axles with the axles in each group spaced at 60 in. (152 cm). With a bunk between the two groups that is connected to the rear-axle bearings through a tie rod system, the total spread is 16 ft. 1 in. (4.8 m). This configuration allows operators to carry more weight and complies with federal bridge laws.
With such a high center of gravity, these loads have increased potential for dangerous overturn situations. The six-axle steer dolly is 10 ft. (3 m) wide for increased roll stability and safety. Further, each individual axle is mounted to a radial bearing that provides a tighter steering system for a more stable platform.
The front three axles are fixed and non-steerable and feature cut-off valves and lift chains. A mechanical self-steering system allows the rear axles to turn progressively up to 30 degrees on the sixth axle. This incremental steering allows the rear dolly to more easily maneuver around a common center point. The speed of steering also is adjustable to accommodate various load lengths and the desired turning radius. An oversteer alarm is mounted on the steer dolly along with a wireless audio alarm with lights for the tractor cab.
A hydraulic power pack allows operators to override mechanical steering with a manual, wireless remote. This option is ideal for pilot car drivers escorting superloads. In addition, truck operators can adjust the bunk height from 40 to 50 in. (101 to 127 cm) to clear overhead obstacles such as electrical lines and traffic signs and obstructions beneath the unit such as speed bumps. The unit also features Ridewell Model 240 air ride suspension.
The dolly can be picked up using its four D-rings and stacked on a trailer or the front jeep for easy transport after load delivery.
For more information, call 800/348-5232 or visit www.talbertmfg.com.