Looking for a reliable 21E6-40030 or 21E640030 charging solution for your heavy machinery? This premium alternator is engineered specifically for Hyundai crawler excavators, ensuring your electrical system maintains peak performance even in the most demanding construction environments.
| Specification | Details |
|---|---|
| Part Number | 21E6-40030 / 21E640030 |
| Product Name | Alternator / Charging Generator |
| Compatible Models | Hyundai R210-7, R215-7, R215-7C, R225-7, R225-7C Excavators |
| Engine Compatibility | Cummins B5.9 / 6BTA 5.9 Series |
| Condition | Brand New, OEM Standard Replacement |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL Fedex EMS UPS or by Air/Sea |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch |
| Application | Engine rebuild, overhaul, routine maintenance |
Selecting the right 21E6-40030 alternator replacement is critical for preventing machine downtime. Below is a comparison of why our heavy-duty version stands out against standard aftermarket options.
| Core Procurement Factors | Standard Aftermarket | Our OEM Standard 21E6-40030 |
|---|---|---|
| 1. Voltage Stability | Fluctuating output under load | Steady 24V/28V output for electronics |
| 2. Bearing Quality | Low-grade domestic bearings | High-temp precision sealed bearings |
| 3. Winding Material | Thin copper or aluminum mix | 100% High-purity heat-resistant copper |
| 4. Heat Dissipation | Basic fan design | Enhanced airflow dual-internal fan cooling |
| 5. Service Life | Approx. 1,200 - 1,500 hours | Extended 3,000+ operational hours |
| 6. Compatibility | May require bracket adjustment | Perfect bolt-on fit for Hyundai R210-7 |
Our technical team helps operators solve complex electrical and mechanical failures:
Identify potential risks during routine maintenance before they cause total power failure.
Recommend suitable replacement parts based on your specific engine serial number (ESN).
Support both inspection advice and global parts supply for fleet owners.
If your battery warning light is on or your voltage drops below 24V while the engine is running, the 21E6-40030 alternator likely has worn brushes or a failed internal regulator. We recommend checking the drive belt tension first before replacing the unit.
While the internal specs may be similar, the mounting bracket and pulley diameter are specifically calibrated for the Hyundai R225-7 series. Always verify the mounting ear spacing to ensure a secure fit.
OEM-standard tri-metal structure: Our internal components are built for vibration resistance, which is vital for excavators. Trusted by repair shops & equipment fleets: We provide components that meet the rigorous demands of professional mechanics worldwide.
We specialize in heavy-duty engine solutions, focusing on major brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our inventory covers everything from full engine assemblies to precision internal components.
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