The Front Idler Assembly, also called Idler or Track Idler, is mounted at the front end of the crawler excavator undercarriage.
Its main functions include:
For large mining excavators such as Komatsu PC1000, the undercarriage system operates under extremely high impact and loading conditions. A reliable front idler is essential for improving machine stability and extending undercarriage service life.
A worn front idler may result in:
Our PC1000 front idlers are produced with professional undercarriage manufacturing technology, providing a dependable replacement solution for mining contractors, equipment dealers and repair specialists.
Designed for:
Komatsu PC1000
Suitable for:
Manufactured from:
40Mn2 Alloy Steel
Advantages:
The idler running surface is processed through controlled induction hardening.
Typical specification:
Provides excellent resistance against continuous track chain impact and abrasive working environments.
Equipped with:
The sealing structure helps prevent lubricant leakage and protects internal components from mud, dust and water contamination.
Manufactured according to OEM-style specifications:
Suitable for direct replacement after confirming correct specifications.
| Item | Specification / Detail |
|---|---|
| Product Type | Excavator Front Idler Assembly |
| Machine Model | Komatsu PC1000 |
| Compatible Models | PC1000 |
| Machine Type | Crawler Excavator |
| Machine Class | Approx. 100 Ton |
| OEM Part Number | 21N-30-13111 |
| Replacement Number | PC1000ID |
| Material Grade | 40Mn2 Alloy Steel |
| Manufacturing Process | Casting + CNC Machining |
| Heat Treatment | Induction Hardening |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 10mm-15mm |
| Seal System | Heavy Duty Floating Oil Seal |
| Lubrication System | Lifetime Internal Lubrication |
| Structure | Heavy Duty Front Idler Assembly |
| Quality Inspection | Dimension, Hardness and Sealing Inspection |
| Mounting Configuration | OEM Standard |
| Installation | Direct Replacement |
| Application | Mining / Heavy Construction |
| Shipping Note | Oversized Heavy Component — Sea Freight Recommended |
The Front Idler Assembly, also called Idler or Track Idler, is mounted at the front end of the crawler excavator undercarriage.
Its main functions include:
For large mining excavators such as Komatsu PC1000, the undercarriage system operates under extremely high impact and loading conditions. A reliable front idler is essential for improving machine stability and extending undercarriage service life.
A worn front idler may result in:
Our PC1000 front idlers are produced with professional undercarriage manufacturing technology, providing a dependable replacement solution for mining contractors, equipment dealers and repair specialists.
Designed for:
Komatsu PC1000
Suitable for:
Manufactured from:
40Mn2 Alloy Steel
Advantages:
The idler running surface is processed through controlled induction hardening.
Typical specification:
Provides excellent resistance against continuous track chain impact and abrasive working environments.
Equipped with:
The sealing structure helps prevent lubricant leakage and protects internal components from mud, dust and water contamination.
Manufactured according to OEM-style specifications:
Suitable for direct replacement after confirming correct specifications.
| Item | Specification / Detail |
|---|---|
| Product Type | Excavator Front Idler Assembly |
| Machine Model | Komatsu PC1000 |
| Compatible Models | PC1000 |
| Machine Type | Crawler Excavator |
| Machine Class | Approx. 100 Ton |
| OEM Part Number | 21N-30-13111 |
| Replacement Number | PC1000ID |
| Material Grade | 40Mn2 Alloy Steel |
| Manufacturing Process | Casting + CNC Machining |
| Heat Treatment | Induction Hardening |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 10mm-15mm |
| Seal System | Heavy Duty Floating Oil Seal |
| Lubrication System | Lifetime Internal Lubrication |
| Structure | Heavy Duty Front Idler Assembly |
| Quality Inspection | Dimension, Hardness and Sealing Inspection |
| Mounting Configuration | OEM Standard |
| Installation | Direct Replacement |
| Application | Mining / Heavy Construction |
| Shipping Note | Oversized Heavy Component — Sea Freight Recommended |
