SZ420D Custom Long-Arm Crawler Excavator Completes Test Run, Awaiting Delivery

On September 22, 2025, the custom - made long - arm SZ420 crawler excavator developed by Shanzhong Machinery Co., Ltd. for a customer successfully completed the full - process test run. All parameters met the standards, and it is now waiting for delivery.

The core advantages of this equipment focus on the long - arm design and multi - scenario adaptability. The long arm adopts a reinforced structure, which greatly extends its service life. Equipped with an original imported hydraulic system, it features flexible movements, stable rotation and braking, and smooth and fast overall operation. It is known as a "powerful tool" in the material loading scenario and can efficiently complete various loading operations.

To meet the needs of customers in mines and large - scale construction sites, the long arm, together with the equipment's strong operating performance, can easily handle tasks such as high - intensity mining and site leveling. It not only ensures high operating efficiency but also achieves low fuel consumption. At the same time, the equipment has excellent operating stability, strong durability, and can adapt to complex construction environments. In addition, Shanzhong Machinery can provide customized production services to meet the needs of special construction and bidding, and offer precise solutions for operations in different scenarios.