01

Road construction

01

Road construction

Diamond arm is an excavator accessory used in road construction projects, specially used for excavating cracked rocks, medium-strong wind fossils, hard clay, shale and karst landforms. By virtue of its powerful function, it greatly improves the efficiency of road-breaking rock construction.
02

House construction

02

House construction

Diamond arm is an excavator accessory used in house construction projects, which is specially used to excavate cracked rocks, medium-strong wind fossils, hard clay, shale and karst landforms. With its powerful function, it greatly improves the efficiency of rock breaking construction.
03

Mining

03

Mining

The diamond arm is suitable for mining in open pit coal mines and the ore with Platinell hardness coefficient below F=8. High mining efficiency and low failure rate.
04

Permafrost stripping

04

Permafrost stripping

The King Kong arm is a powerful excavator specially used for frozen soil stripping. Its powerful power and high efficiency provide a great help for geological excavation and resource development.

Caterpillar 390 Excavator Assembly kaiyuanzhichuang Rock Arm

As shown in the picture: Rock Arm is the product name we use in China, often referred to as Rock Arm or Split Modified Arm. The so-called Split Arm refers to a set of arms consisting of a boom, bucket arm, and loosening hook. This modified arm originated from the application in China and has since changed the method of rock mining.

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PRODUCT ADVANTAGES

01
Experience the unrivaled power and efficiency of the Kaiyuan rock arm installed on Cat 390 Excavator.

Rock Arm of Excavator, as a multi-purpose modified arm, is suitable for mining without blasting, such as open-pit coal mines, aluminum mines, phosphate mines, sand gold mines, quartz mines, etc. It is also suitable for rock excavation encountered in basic construction such as road construction and basement excavation, such as hard clay, weathered rock, shale, rock, soft limestone, sandstone, etc. It has good effects, high equipment strength, low failure rate, high energy efficiency compared to breaking hammers, and low noise. Rock Arm is the first choice for equipment without blasting conditions.
02
Durability is key, and the Kaiyuan rock arm installed on Cat 390 Excavator will not disappoint.

This excavator rock arm is constructed of high-strength steel plates to ensure long-lasting performance. Say goodbye to frequent maintenance and hello to uninterrupted working hours. Whether you’re dealing with loose soil or compacted terrain, this excavator breaks through with ease, saving you time and energy.

WHY CHOOSE OUR PRODUCT

Invest in the future of construction machinery with the exceptional Kaiyuan Excavator rock arm. Designed to be an industry game changer, this excavator rock arm is the perfect companion for any size construction site. Witness the power of the kaiyuanzhichuang rock arm, easily conquering the most challenging terrain. Upgrade your construction experience today and make the Kaiyuan excavator rock arm your go-to companion for all earthmoving tasks.