Komatsu PC2000-8 Carrier Roller Assembly | OEM-Spec-CQC Track supply high quality spare parts
Komatsu PC2000-8 (21T-30-00211)excavator carrier roller assembly with hardened steel construction
Carrier Roller Assembly – Core Specifications
- Part Number: 21T-30-00211 (varies by serial number range)
- Quantity per Machine: 4-6 rollers (depending on undercarriage configuration)
- Load Capacity: 12-15 metric tons per roller
- Seal Type: Triple-lip floating seals (Komatsu D6D design)
Premium Replacement for Mining & Quarry Applications
✅ OEM-Compliant Design – Precision-engineered to match Komatsu PC2000-8 specifications
✅ Extended Service Life – Forged 42CrMo alloy steel with induction-hardened surface (55-60 HRC)
✅ Triple-Lip Seals – Komatsu D6D floating seal design prevents contamination
✅ Global Availability – Ready to ship worldwide with certified documentation
Why Choose CQC’s PC2000-8 Carrier Roller?
✔ Mining-Grade Durability – 8,000-10,000 hour lifespan in harsh conditions
✔ Interchangeable – Compatible with PC2000-8, PC2000LC-8, and similar large excavators
✔ Cost-Effective – 30-50% savings vs. OEM with identical performance
✔ Quality Certifications – ISO 9001, CE, and material test reports available
Replacement Indicators
⚠️ Replace if you observe:
- Flange wear >5mm
- Seal leakage (grease contamination)
- Pitting/spalling on rolling surface
- Irregular track movement