Compact Equipment

JAN 2019

Compact Equipment is a magazine dedicated to equipment owners and operators of small, nimble, tool-carrying construction, landscape and ag equipment — such as skid steers, mini excavators, compact tractors, generators compressors and beyond.

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46 Compact Equipment JANUARY 2019 Aside from the hydraulic flow, Doug Amerman, region- al sales manager for Digga North America, says operators should consider features such as precision depth control de- sign to assist the operator in consistent trench depths and a crumber bar design that allows for a cleaner trench. There are a ton of different chain widths and teeth con- figurations too. Operators will need to identify their specific applications and ground conditions before selecting the best type of chain and teeth for the job. Peters breaks down the various chain and teeth configu- rations: • Standard single chains are recommended for use in loose, damp soil and are generally used on smaller tren- chers with 6-in. digging widths. The dirt cup teeth are typically spread out on alternating sides of every other link. Dirt cup teeth are designed to cut into the soil and carry the dirt up and out of the trench to the auger that places it to one side of the trench. • Double standard chains are the most popular style and recommended for use in harder, drier soil. These chains feature about twice the number of dirt cup teeth as a stan- dard chain and tooth configuration. These are the most common since they perform well in both hard and soft soils. • Half rock and frost chains are heavier-duty chains rec- ommended for hard, frozen or mixed rocky soil condi- tions. These chains feature tough conical carbide rock teeth that rigorously cut away at the rocky soil. The configuration along the chain is typically dirt cup teeth alternating with rock teeth at various widths. This pat- tern chips away at the rocky soil in numerous places for the greatest penetration, while the dirt cup teeth carry the fragments and soil up and out of the trench. According to Gregg Zupancic, at John Deere, trenchers are one of the most popular attach- ments sold with a skid steer or compact track loader.

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