Komatsu PC400-6 P/N208-32-00301 Track Link Chain Group/49L-228.6-Pitch specialized for Mining construction excavator undercarriage parts
Product Specifications
1. Product Overview
Excavator Komatsu PC400-6 Track Link Chain Group is a complete track chain assembly designed for Komatsu PC400-6, PC400LC-7, and compatible excavators. This heavy-duty undercarriage component ensures reliable track movement and load distribution in demanding conditions.
Key Features:
✔ Forged Alloy Steel Links – Superior strength vs. cast chains
✔ Sealed & Lubricated Bushings – Reduces wear & extends lifespan
✔ OEM-Equivalent Quality – Matches Komatsu specs (P/N: 208-32-00301)
✔ Mining & Construction Grade – Built for abrasive environments
2. Technical Specifications
| Parameter | Specification |
|---|---|
| Material | 35MnBh alloy steel (JIS G4053) |
| Hardness | 55-60 HRC (bushing surface) |
| Pitch | 228.6mm |
| Number of Links | 49 (standard) |
| Width | 600mm / 700mm / 800mm (options) |
| Load Rating | 12,000 kg per link |
| Compatibility | PC400-6, PC400LC-6, PC450-6 |
3. Why Choose This Track Chain?
✅ 30% Longer Lifespan – Forged links resist cracking & elongation
✅ Precision Bushings – Heat-treated for reduced friction
✅ Sealed Lubrication – Grease-filled bushings prevent contamination
✅ Easy Installation – Bolt-on replacement for quick servicing
4. Signs You Need Replacement
⚠ Chain elongation >3% of original pitch
⚠ Bushing wear exceeding 5mm
⚠ Visible cracks or broken links
⚠ Excessive track sag even after adjustment
5. OEM vs. Aftermarket Comparison
| Feature | Genuine Komatsu | Premium Aftermarket |
|---|---|---|
| Material | 40Mn2 forged steel | Equivalent alloy steel |
| Warranty | 12 months | 6-12 months (varies) |
| Price | $$$$ | $$-$$$ (25-40% savings) |
| Availability | 4-8 weeks lead time | 1-2 weeks (ready stock) |
Top Aftermarket Alternatives:
Berco (TRK-400C)
ITM (UND-PC400-6)
ESCO (Komatsu-compatible chains)
6. Installation & Maintenance
Installation Guide:
Clean sprocket & rollers before fitting new chain.
Align master link with track adjuster.
Torque bolts to 450 N·m + 90° rotation.
Adjust track tension (35-40mm sag recommended).
Maintenance Tips:
Inspect bushings every 250 hours.
Lubricate every 500 hours (use EP2 grease).
7. Where to Buy
🛒 Komatsu Dealers – OEM parts with warranty
🛒 Undercarriage Specialists – Berco, ITM, ESCO
🛒 Online Marketplaces – Amazon Industrial, eBay, MachineryTrader
