Product Overview

This is a high-performance 12V 45A alternator designed as a direct replacement for Yanmar 4TNV84 series diesel engines. Engineered for reliability and built to meet or exceed OEM specifications, this alternator is a critical component for maintaining optimal electrical system performance in demanding applications. We supply this part globally to major industrial markets, ensuring a reliable power source for your machinery wherever you operate.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM dimensions and electrical specifications for a perfect fit and seamless integration with your Yanmar 4TNV84 engine.
• Robust Construction: Built with durable materials to withstand the vibrations, heat, and harsh conditions typical of industrial, agricultural, and marine environments.
• Consistent Power Output: Delivers a stable 12V 45A output to reliably charge the battery and power essential electrical systems, preventing downtime.
• Global Compatibility: Supplied with comprehensive documentation and is ready for installation in machinery worldwide, supporting international fleets and operations.
• Cost-Effective Solution: Offers OEM-level performance and durability at a competitive price, providing excellent value for maintenance and repair budgets.

Technical Specifications

OEM Cross-Reference

This alternator is a direct replacement for the following OEM part number:

• Yanmar: 129423-77200

Note: OEM service and alternative part number sourcing are available. Contact our support team for specific cross-reference inquiries beyond the listed number.

Compatibility

This alternator is specifically designed for machinery powered by the Yanmar 4TNV84 diesel engine. Common applications include:

• Construction Machinery: Excavators, compactors, light towers, pumps.
• Industrial Equipment: Generators (Gensets), air compressors, industrial power units.
• Agricultural Machinery: Tractors, harvesters, irrigation systems.
• Marine Applications: Auxiliary power units for small to medium vessels.
• Material Handling: Forklifts, terminal tractors.

Global Supply & Distribution

We are a trusted supplier for B2B clients across the globe. Our logistics network ensures efficient delivery to key industrial regions.

• Worldwide Shipping: We export to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Fast Delivery to Major Hubs: Consolidated shipments to major ports and logistics centers in Rotterdam, Los Angeles, Singapore, Dubai, and Hamburg ensure reduced transit times.
• Export Expertise: All documentation, including machinery test reports and commercial invoices, is prepared in full compliance with international trade regulations for smooth customs clearance.
• Bulk & Single Orders: We cater to both large-scale procurement for fleets and single-unit orders for urgent repairs.

Quality Assurance

We stand behind the quality and performance of every part we supply.

• Manufacturing Standards: Produced in ISO-certified facilities using precision tooling and quality-controlled materials.
• Comprehensive Warranty: Backed by a 3-month warranty from the date of delivery against manufacturing defects.
• Rigorous Testing: Each unit undergoes functional testing to verify voltage and amperage output. Video outgoing-inspection and machinery test reports are provided upon request to validate performance.
• Post-Sale Support: After-warranty service includes online technical support for installation guidance and troubleshooting.

FAQ

Q: Is this a direct fit for my Yanmar 4TNV84 engine, or will modifications be required?
A: This is a direct OEM replacement. It is manufactured to the exact size and specification of the original Yanmar 129423-77200 alternator, ensuring a bolt-on installation with no modifications required to the mounting brackets or wiring harness.

Q: What documentation is provided with the shipment to assist with customs and verification?
A> We provide all necessary commercial documents. Additionally, a machinery test report confirming the electrical output specifications can be supplied. For quality verification, a video outgoing-inspection of the unit can also be made available upon request prior to shipment.

Q: Do you offer support if I encounter issues during installation or operation?
A: Yes. We provide online support for technical inquiries. This includes assistance with installation steps, connection diagrams, and basic troubleshooting. Our support extends beyond the warranty period to ensure your operational success.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .