129940-77010 is suitable for Yanmar 4TNV106/4TNV98 engines and Doosan DH60-7 excavators.
The 129940-77010 starter motor is designed for use with Yanmar 4TNV98 and 4TNV106 diesel engines and is widely used in construction machinery, agricultural machinery, and power generation equipment. This starter motor provides stable and sufficient starting power at the moment of ignition, helping the engine quickly reach normal operating speed. It is suitable for equipment maintenance and replacement according to original factory specifications.
Utilizing a mature electromagnetic drive structure and reliable internal component configuration, it offers rapid starting response and stable torque output, capable of withstanding frequent starts and stops and complex operating conditions. Overall durability and operational stability are excellent.
| Part Number |
129940-77010 |
| Type |
Starter Motor |
| Voltage |
12V |
| Power |
3KW |
| Number of Teeth |
9T |
Applicable Models
For Yanmar engines: 4TNV106, 4TNV98;
For Doosan excavators: DH60-7;
For Hitachi excavators: ZX60USB-3F, ZX65USB-3F.
Replacement Part Numbers
S14-102, HST14102B, S14-102B, S13-102B, S14102, S14102B, S13102B, 129940-77010, 129940-77011, 129940-77012, 12994077010, 12994077011, 12994077012
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 Starter Motor 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.