In early 2020, sichuan odisi machinery delivered the country's first liebherr R 976 crawler excavator (90t class) equipped with rock arm to its customer to cope with increasingly harsh hard working conditions. Rock arm excavator is a sharp tool for excavating and crushing wind fossils, shale rocks and red sand rocks, etc., which has the advantage of high efficiency and low loss compared with traditional crushing hammer operation. Compared with traditional blasting operation, rock arm excavator has high efficiency, low crushing cost and low maintenance cost.

Liebherr R 976 is imported in original package, with working weight of 91-93 tons and bucket capacity of 5-6.6 cubic meters. The R 976 hydraulic excavator is equipped with the D9508 v-type 8-cylinder engine produced by liebherr Swiss engine factory, which has been known in the industry for its advanced technology, reliable quality and efficient fuel economy. It reaches 2976Nm at 1200Rpm, with the highest torque in the same class of equipment.

Liebherr R 976 is made of high performance steel with better durability, which can meet the requirements of long-term operation in harsh environment. Liebherr's unique advanced regenerative function accelerates the falling speed of the manipulator by 25%, and with the independent closed rotary hydraulic system, the working efficiency is increased by several times. Advanced teletype control systems and large, all-touch displays make it as easy as operating a light digger.

The driver of a certain brand of the same tonnage model on the same site experienced the liebherr R 976 rock arm device for the first time, marveling at its strength, speed and efficiency.

Through practical use by customers, the liebherr R 976's fuel economy, reliability and high productivity are fully demonstrated. Over the years, liebherr has been deeply engaged in the Chinese market, always adhering to the spirit of innovation, has been rooted in many fields. Liebherr excavators have been widely used in the quarrying industry, cement mines, metal mines, coal mines and infrastructure construction.