Construction Machinery 90R55 Piston Shoe 9 Pieces/Set

Construction Machinery 90R55 Piston shoe 9 Pieces/Set

The 90R55 Piston shoe is a high-precision hydraulic pump accessory specially engineered for construction machinery and other heavy-duty hydraulic systems. Designed with a small-hole structure and supplied in a 9-piece set, it delivers stable support and efficient pressure transfer, ensuring reliable operation under demanding high-pressure and high-speed conditions. This critical component works closely with the plunger and cylinder block to maintain smooth motion, reduce friction, and extend pump service life.

Specifications

Applications

The 90R55 Piston shoe is widely used in construction machinery, mining equipment, metallurgical systems, injection molding machines, and various industrial hydraulic pumps. It provides sliding support and smooth pressure transmission inside the plunger pump, ensuring consistent power output and long-term stability even in harsh working environments.

Key Advantages

1. Durable High-Strength Material – Premium alloy steel or composite construction offers excellent fatigue resistance and long service life.

2. Precision Finish – Advanced grinding and anti-wear treatment minimize friction, reduce energy loss, and maintain tight sealing.

3. Optimized Small-Hole Design – Ensures uniform lubrication, lowers vibration and noise, and supports high-efficiency operation.

4. Convenient Maintenance – Standardized 9-piece set allows quick installation and easy replacement, reducing downtime and maintenance costs.

With its robust structure and outstanding reliability, the 90R55 Piston shoe is an ideal solution for construction machinery hydraulic pumps that demand superior efficiency and dependable performance in

Jiangsu Knl Hydraulic Pump Inc. is a high-end equipment manufacturer specializing in producing high-pressure plunger pumps, motors, hydraulic reducers and spare parts. The company is loed in Xushe Industrial Park, Yixing City, where the environment is elegant, the traffic is convenient and the geographical position is superior. The company covers an area of more than 90,000 square meters and has built more than 60,000 square meters.

The company adheres to the management aim of scientific and technological innovation, employee as the cornerstone and social benefit creation, has a set of perfect MES management system and advanced management team, and has FMS flexible manufacturing cell system, processing center, CNC lathe and three coordinates. Honing machine, grinding machine and other high-end imported equipment, is a professional production of hydraulic components and components of the manufacturing and modelling enterprises.

After years of research and development, the company has built a production, teaching and research base with Huazhong University of Science and Technology, Nanjing University of Technology, Changzhou University and other colleges. The quality of products manufactured by the company has been fully affirmed by customers and exported to 185 countries and regions.

The company has always adhered to the business philosophy of "people without me, people with me excellent, constantly improve product quality and provide extremely fast service" to serve the global market. Through continuous innovation and steady development, the company has become one of the most complete manufacturers of hydraulic components in the world market. Looking ahead, we will work hand in hand with customers to create brilliant future!