00120-488-206 Alternator for V2403 engine, PC56-7 and DH60-7 excavators
The 00120-488-206 alternator is primarily used in equipment equipped with the V2403 diesel engine, providing stable power output for the starting system and the entire machine's electrical components. This alternator is suitable for construction machinery such as the Komatsu PC56-7 and Doosan DH60-7. It continuously charges the battery during equipment operation, ensuring stable operation of lighting, control systems, and electrical accessories, meeting the power needs of construction machinery in complex working conditions.
It features stable output, high charging efficiency, and can meet the continuous operation needs of construction machinery; its compact structure and installation dimensions are consistent with the original factory specifications, allowing for direct replacement; the internal coils and rectification system are resistant to high temperatures and vibrations, adapting to harsh construction environments; its overall reliability is strong, helping to reduce the failure rate of the electrical system and extend its service life.
| Part Number |
00120-488-206 |
| Type |
Alternator |
| Voltage |
12V |
| Current |
45A |
| Function |
Provides charging and power output for the engine and the entire machine's electrical system |
| Material |
High-strength metal casing and copper wire windings |
| Application Range |
Diesel engine electrical systems |
Suitable for the following engines
V2203, V2403, V3800, V2203ME3, V2403-M
Applicable Excavator Models
Komatsu PC56-7,Doosan DH60-7
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
| Engine Rebuild Kit |
Turbochargers |
Engine Diesel Pumps |
Engine Controllers (ECU) |
| Cylinder Blocks |
Cylinder Heads |
Water Pumps |
Injectors |
| Starter Motors |
Filters |
Other Engine Accessories |
Excavator Hydraulic Pumps |
| Swivel Components |
Distributor Valves |
Travel Motor Assemblies |
Chassis Components and Other Accessories |

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Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Alternator compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Why Choose Us?
• Over 20 years of experience specializing in construction machinery, engines, and parts – with stable experience supplying mainstream brands and models.
• Extensive experience in model matching enables us to provide customers with accurate parts selection, reducing procurement risks.
• A long-term, stable, and reliable supply system ensures reliable product sourcing and meets continuous procurement needs.
• For product information or quotations, our professional team will provide you with detailed answers immediately upon receiving your request.