Description
ATG20174 Alternator 3975139 66021491 for CUMMINS Engines 4B3.9 6B5.9
ATG20174 Alternator – Heavy-Duty 24V 55A for Cummins & Perkins Engines
🔹 Key Specifications:
- Voltage: 24V
- Amperage: 55A
- Unit Type: Leece Neville
- Fan Type: External Fan (EF) – Enhanced cooling for heavy-duty use
- Rotation: Standard CW or CCW (Confirm based on application)
🔹 Compatible Engines:
✅ Cummins:
- 4B3.9 (Industrial, Marine, Generator)
- 6B5.9 (Truck, Construction, Agricultural)
✅ Perkins:
- Multiple models (See cross-reference below)
✅ Other Brands:
- Caterpillar, JCB, Prestolite, Valeo
🔹 Cross-Reference Part Numbers:
3975139
🔹 Features & Benefits:
✔ 24V System – Ideal for diesel engines in trucks, construction, and marine applications.
✔ External Fan (EF) – Better heat dissipation in high-load conditions.
✔ Leece Neville Design – Reliable performance in harsh environments.
✔ Wide Compatibility – Fits Cummins, Perkins, Cat, and other industrial engines.
🔹 Installation Notes:
- Check pulley alignment – Ensure proper belt tension.
- Verify wiring connections – 24V systems require secure terminals.
- Confirm rotation direction (CW or CCW) before installation.
Reviews
There are no reviews yet.