History of Digger Derricks – Part II
If you had a chance to read History of Digger Derricks, Part 1, you know that a digger derrick is essentially a mobile machine with a digger derrick mounted on a truck chassis. It is extremely large due to the physical dimensions and heavy weight of the attached boom pedestal and booms, the hydraulic motor, auger, and accessories. The digger truck has a powerful engine to multiply the torque and control the hydraulic system, which in turn directs the rotational capacity of the auger. We gave a brief history starting in the early days of electrification when power line construction was a … [Read more...]
History of Digger Derricks – Part I
Digger derricks are used mainly in the electrical, telecommunications, and cable fields, as well as in the construction industry. Derrick trucks feature an auger that drills the hole, and pole clamps to grasp the pole as it is being inserted. The main components of a digger derrick are the pedestal, the turntable, the booms, the cylinders for boom control, the outriggers or stabilizers, the digger motor, the auger and auger teeth, and the controls. From digging to lifting, these trucks are designed to literally do it all. The rotating hex-shaft auger is specifically designed to … [Read more...]
You Will “DIG” Power-Installed Screw Anchors
Once upon a time digging holes required way too much effort. Have you seen the old TV westerns where the Cartwrights and Barkleys sweated digging holes for fence posts? Well, I guess we’re showing our age?! The Barkleys became experts at soil conditions, equipment needed, and capacity requirements to get the holes dug. Somewhat related to post holes, installing earth anchors was once hard work. And the results were not always satisfactory. But then, in the 1950’s Hubbell Chance introduced the power-installed screw anchor (PISA©). Now the power of digging equipment is used to … [Read more...]
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We offer parts & accessories such as Augers and Tooling Buckets and liners Winch Ropes anuals Tiiger Pole Pulers Outrigger Pads for Hi-Ranger, Terex Telelect, Holan, JLG Industries, National Crane, Teco, Reach All, Lift All, Versalift, Altec, Elliott Crane, and IMT Crane. In addition, we carry Pengo augers, Tiiger pole pullers & DICA outrigger pads. Utility Equipment Parts can also get you the little tools and accessories that make a big difference in utility work — bucket covers, aerial aprons, tool buckets, winch ropes, tow ropes, hooks, stanchions and … [Read more...]