Kobelco SK850 Segment Group Assembly/China Drive Sprocket ass'y manufacture/DPW Parts supply high quality excavator spare parts
Product Specifications
What is a KOBELCO SK850 Drive Sprocket Assembly?
The Drive Sprocket Assembly is a critical undercarriage component in the Kobelco SK850 excavator, responsible for transferring power from the final drive to the track chain. It ensures smooth movement and supports heavy loads in demanding conditions.
Key Features:
✔ High-Strength Alloy Steel – Resists wear & extends lifespan
✔ Heat-Treated Teeth (HRC 50-60) – Prevents premature wear
✔ Sealed Bearings/Bushings – Reduces friction & maintenance
✔ Bolt-On or Integrated Hub Design – Easy replacement options
2. Signs of a Worn-Out Drive Sprocket
⚠ Common Symptoms:
Track Slipping or Jumping (worn teeth)
Loud Grinding Noises (bearing failure)
Cracks or Broken Teeth (impact damage)
Uneven Wear on One Side (misalignment)
📌 When to Replace?
If tooth height is reduced by 10-15%
Visible cracks or severe pitting
Excessive play in the assembly
3. Maintenance Tips for Longer Lifespan
🔧 Best Practices:
✅ Clean Regularly – Remove dirt & debris to prevent abrasion
✅ Check Track Tension – Prevents uneven sprocket wear
✅ Lubricate Bearings – Follow Kobelco’s service intervals
✅ Inspect for Misalignment – Ensures even load distribution
4. OEM vs. Aftermarket Drive Sprockets
| Feature | OEM (Kobelco) | Aftermarket (Berco, ITR, Prowell) |
|---|---|---|
| Quality | Guaranteed fit & durability | Varies by supplier |
| Price | Higher cost | More affordable |
| Availability | Through dealers | Widely available online |
💡 Recommendation: For heavy-duty use, OEM is preferred, but high-quality aftermarket options can be cost-effective.
5. Where to Buy a KOBELCO SK850 Drive Sprocket Assembly
🛒 Trusted Suppliers:
Kobelco Construction Equipment Dealers (OEM parts)
Aftermarket Brands: Berco, ITR, Vema Track, Prowell
Online Marketplaces: eBay, Amazon Industrial, MachineryTrader
📌 Pro Tip: Always provide your machine’s serial number to ensure the correct fit!
6. KOBELCO SK850 Drive Sprocket Part Numbers
🔎 Sample OEM Part Numbers (verify with dealer):
Drive Sprocket Assembly:
KOB-12345678Seal Kit:
KOB-98765432
⚠ Note: Part numbers vary by model year & configuration.
7. How to Replace a Drive Sprocket Assembly
🛠 Step-by-Step Guide:
Secure the Excavator – Park on a flat surface, engage safety locks.
Remove Track Tension – Loosen the grease fitting to release pressure.
Detach Old Sprocket – Unbolt or press out the assembly.
Install New Sprocket – Align correctly, torque bolts to spec.
Re-Tension Track – Adjust to Kobelco’s recommended tension.
📌 Recommended: Replace both sprockets for balanced performance.
8. Frequently Asked Questions (FAQs)
❓ How long does a KOBELCO SK850 Drive Sprocket last?
➡ Typically 3,000–5,000 hours, depending on operating conditions.
❓ Can I repair a damaged sprocket?
➡ No—worn sprockets must be replaced to avoid track failure.
❓ What happens if I ignore sprocket wear?
➡ Leads to track damage, final drive failure, and costly repairs.
Conclusion
The KOBELCO SK850 Drive Sprocket Assembly is essential for smooth excavator operation. Regular inspections, proper maintenance, and timely replacement prevent breakdowns and extend undercarriage life.
📢 Need the Right Part? Comment with your machine’s serial number for exact matching!
