TAB® HITACHI Undercarriage Part Idler EX300
High-Strength Idler for HITACHI EX300 Excavators
The TAB® Idler EX300 is built using advanced forging and precision heat treatment to deliver outstanding strength and wear resistance. This idler roller is engineered to maintain perfect track tension and alignment, ensuring smooth and efficient excavator operation on any terrain. Its heavy-duty structure minimizes downtime and extends service life, even under extreme working conditions.
Learn more about our full range of idler roller products designed for performance and longevity.
Product Parameters
| OEM NO. | EX30 EX40 EX60 EX100 EX200 EX220 EX225 EX300 EX400 ZX200 ZX210 ZX230 ZX330 IDLER | |
| Place of Origin | CHINA | |
| Model | HITACHI EX300-1 | |
| Product Type | UNDERCARRIAGE PART | |
| Rubber Type | After market、 OEM | |
| Brand | TAB、TRC or Custom | |
| Packing | Standard or Custom | |
| Material | 40MN2 35MNB 50MN2 40CR | |
| Size | Standard | |
| Warranty | 1 Year or more | |
| Packing | TAB、TRC、Customer | |
| Delivery time | One month | |
| Port | Xiamen Port or Customer request | |
| Minimum of Quantity | 200 Pcs | |
Engineered for Stability and Long Service Life
TAB® applies strict quality control to guarantee consistent performance, corrosion resistance, and superior balance. Each Idler EX300 is rigorously tested for hardness and sealing, providing excellent resistance against impact and abrasion. This ensures that your equipment runs efficiently with minimal maintenance costs—an ideal solution for construction, quarrying, and earthmoving operations.
Trusted Undercarriage Solutions from TAB®
As a leading undercarriage part supplier, TAB® delivers OEM-quality components, including idlers, track rollers, and sprockets, for major excavator brands. We support global distributors, contractors, and equipment dealers with customizable, high-performance undercarriage solutions that ensure reliability and productivity on every job site.




