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 diamond 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.

Send email to us

PRODUCT ADVANTAGES

01
Experience the unrivaled power and efficiency of the Cat 390 Excavator.

The excavator is equipped with kaiyuanzhichuang diamond arm, which guarantees precise control and maximum productivity. You no longer have to worry about equipment wearing out or slow progress. The unique design of the diamond arm breaks through ground quickly and easily, making any construction task easier than ever.
02
Durability is key, and the Cat 390 Excavator will not disappoint.

This excavator 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 Cat 390 Excavator. Designed to be an industry game changer, this excavator is the perfect companion for any size construction site. Witness the power of the kaiyuanzhichuang diamond arm, easily conquering the most challenging terrain. Upgrade your construction experience today and make the Carter 390 excavator your go-to companion for all earthmoving tasks.