JINING JINNIU MACHINE ENGINEERING CO.,LTD.

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JINNIU·PRODUCTS

The company has strong R&D and design capabilities, and can customize products according to the needs of customers at home and abroad

Track Roller for 818D

【Product model】：

【Scope of application】：

Jining Jinniu Heavy Industry Co.,Ltd. covers a total area of 266,500 m², with a building area of 198,000 m². It includes three production bases: 1. Tangkou Industrial Park Production Base: Primarily produces forgings, including forging and rough machining of blanks for track rollers, idler rollers, drive wheels, etc., as well as track and track assemblies. 2. Jining Economic Development Zone Production Base: Main products include tensioning devices, idler rollers, drive wheels, track rollers, carrier rollers, and chassis. 3. Huankou Town Industrial Park, Fengxian County, Xuzhou, Jiangsu Province: Primarily produces castings (cast iron and cast steel). Jinniu Company has strong self-manufacturing capabilities, possessing casting, forging, various hot and cold processing, assembly, and painting capabilities, with a complete production process.

PRODUCT INTRODUCTION

Product Overview
Product Name	Caterpillar’s SEM bulldozer series track rollers
Item Number	5980757 5980758 6231729 6231730 5963134 5963139
Place of Origin:	Shandong Jining
Category	Category: Construction Machinery Parts - Chassis Parts - Track roller
Material	Material: High-quality cast steel
Color	Color: Yellow (surface anti-rust treated)
Use Cases	Compatible with Caterpillar’s SEM bulldozer chassis system, applicable models are 832D, 822D, 818D, 816D, 818F, etc
Description of Appearance	Appearance Description: The surface of the wheel body is smooth, without defects such as cracks, pores and shrinkage; The tooth surface is smooth, the tooth profile is clear and regular, without burrs; The inner wall of the mounting hole is smooth, without collision marks; The overall coating is uniform, with consistent color, no sagging or missing coating
Product Packaging Description
Packaging Material	Packaging Material: Inner packaging: Wrapped with moisture-proof plastic film, outer wrapped with pearl cotton buffer layer; Outer packaging: Thickened corrugated carton, lined with hard cardboard for fixation
After-sales service
After-Sales Support
Competitive Advantage:
The company has strong in-house manufacturing capabilities, including casting, forging, various hot and cold processing, assembly, painting, and other production capacities, with a complete range of production processes. The company owns independent brands and mainly produces supporting products for major domestic and international construction machinery OEMs. Its product supporting scope includes: excavators ranging from 0.8 tons to 700 tons, bulldozers from 50 HP to 900 HP, and crawler cranes from 35 tons to 4,500 tons. With strong R&D and design capabilities, the company can carry out customized production according to the needs of domestic and foreign customers.
Exceptional Wear Resistance: Special heat treatment processes significantly enhance wear resistance, Precise Meshing: High-precision tooth profile design ensures tight engagement with track chains, reducing transmission noise and power loss. High Load Capacity: Capable of withstanding impacts and torques under extreme conditions, ensuring stable crawler crane operation. Customization Service: Supports exclusive design and production based on customer-specific machine parameters.