New ALLU D-Series attachment improves productivity

An ALLU D-Series attachment with TS drum assembly on a standard excavator improved profitability 80 percent for a pipeline construction contractor. 

In looking at several options, the contractor realized that traditional screening had a low productivity rate, and large particle soil and stones could easily fall into the trench. In addition, purchasing fine soil came with a high cost. 

ALLU D-Series attachments, on the other hand, work with wheel loaders, excavators, skid steers or back hoes to screen, crush, pulverize, aerate, blend, mix, separate, feed and load materials all in one stage – increasing the profitability and efficiency of pipeline construction operations.  

The core of the technology is the configuration of the screening blades that spin between the screening combs. The end-product’s size is defined by the space between the combs, and different fragment sizes can be achieved simply by repositioning the combs. Because the screening combs carry most of the material weight, the drums and bearings experience less impact and load. The design of the assembly ensures the machine works well in wet and dry materials without any clogging. 

The pipeline contractor opted for crushing and screening with ALLU DH3-12 TS16, which demonstrated a lower cost than the other options and 80-percent saving per cubic yard. ALLU’s attachment also gave the contractor total flexibility, since it’s available with two different blade types: standard or screening applications and axe blades when a crushing or shredding effect is required.  

The TS assembly is available in seven different models for 17.6- to 49.6-ton (16- to 45-tonne) excavators and 7.7- to 33-ton (7- to 30-tonne) wheel loaders. 

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