Yanmar 4TNE92 Starter Motor 12V 9T 2.8kW YM129900-77040 129900-77040

Product Details

Product Overview

This high-quality Starter Motor is a direct replacement component designed for the Yanmar 4TNE92 diesel engine. Identified by the OEM part numbers YM129900-77040 and 129900-77040, this unit delivers reliable 12V starting power with a 2.8kW output and a 9-tooth pinion gear.

Commonly used in a wide range of industrial, agricultural, construction, genset, and marine applications, this starter motor is built to meet OEM specifications for size and performance. It provides a dependable solution for maintaining or restoring the starting system of your Yanmar-powered equipment.

Key Features & Benefits

• Exact Fitment: Designed specifically for the Yanmar 4TNE92 engine model, ensuring a direct bolt-on replacement and correct gear engagement.
• Reliable Starting Power: With a 2.8kW output at 12V, this starter provides the high torque necessary for reliable cold starts and consistent operation under heavy load.
• Durable Construction: Manufactured to OEM size and quality standards, using robust materials to withstand the vibrations and harsh conditions of industrial and off-highway environments.
• Verified Performance: Each unit undergoes outgoing inspection, and a machinery test report is provided to confirm operational integrity before shipment.
• Global Compatibility: Suitable for a diverse range of applications including construction equipment, agricultural tractors, generator sets, and marine engines, making it a versatile spare part for your inventory.

Technical Specifications

OEM Cross-Reference

This starter motor is a direct replacement for the following original Yanmar part numbers:

• YM129900-77040
• 129900-77040

These numbers are cross-referenced to ensure you receive the correct component for your Yanmar 4TNE92 engine. Please verify your original part number for compatibility.

Compatibility

This starter motor is commonly used for the following applications. Fitment is inferred based on the engine model specification:

• Engine Model: Yanmar 4TNE92
• Applications:
  • Construction Machinery
  • Industrial Equipment
  • Agricultural Tractors & Implements
  • Generator Sets (Gensets)
  • Marine Engines
  • Material Handling Equipment

Always confirm the engine model and part number on your existing starter motor before purchasing.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the demands of international B2B clients. Our distribution network efficiently serves major markets including:

• North America: Fast delivery to ports and industrial hubs in the USA, Canada, and Mexico.
• Europe: Reliable shipping to key centers in Germany, the UK, France, and the Netherlands.
• Asia-Pacific: Quick dispatch to Japan, South Korea, Australia, and Southeast Asian markets.
• Middle East & Africa: Service to major industrial zones and ports in the UAE, Saudi Arabia, and South Africa.

With extensive export experience, we ensure proper packaging and documentation for smooth international trade and customs clearance.

Quality Assurance

Quality is a top priority. Our starter motors are manufactured in ISO-certified facilities (Guangdong, China) and adhere to strict production standards.

• Testing: Each unit passes a video outgoing inspection and a machinery test report is provided to confirm functionality.
• Warranty: This product is backed by a 6-month warranty against manufacturing defects.
• Support: After-warranty service includes online technical support to assist with any issues.

FAQ

Q1: Will this starter motor fit my Yanmar 4TNE92 engine?
A: Yes, this starter motor (YM129900-77040) is specifically designed for the Yanmar 4TNE92 diesel engine. However, we always recommend comparing the part number and physical dimensions (e.g., mounting bolt pattern and pinion gear) with your original unit to ensure a perfect match.

Q2: What is the correct installation procedure?
A: Installation should be performed by a qualified mechanic. Ensure the battery is disconnected before starting. Clean the mounting surface, align the starter with the flywheel housing, and tighten bolts to the manufacturer’s specified torque. Connect the battery cables (positive to the main terminal, negative to the chassis/engine block) and test the operation.

Q3: How can I maximize the lifespan of this starter motor?
A: Regular maintenance is key. Keep the starter and its electrical connections clean and free from dirt, oil, and moisture. Avoid prolonged cranking (more than 10-15 seconds at a time) to prevent overheating. Ensure your engine’s battery and charging system are in good condition, as low voltage or a weak battery can strain the starter motor.