Product Overview

This high-quality crankshaft is a critical replacement component for Yanmar 4TN100 diesel engines. Sourced and reconditioned to meet exacting standards, it is designed to restore engine performance and longevity in demanding applications. We supply this part globally to major industrial markets, ensuring reliable operation for construction, agriculture, marine, and power generation equipment worldwide.

Key Features & Benefits

• Precision Reconditioning: Professionally inspected and machined to restore OEM specifications, ensuring optimal balance and fit.
• Proven Durability: Manufactured from high-grade forged steel, built to withstand the high-stress environment of diesel engines.
• Direct OEM Replacement: Engineered to match the exact dimensions and performance of the original Yanmar part for seamless installation.
• Cost-Effective Solution: Provides a reliable, high-performance alternative to purchasing a new crankshaft, reducing downtime and repair costs.
• Comprehensive Support: Backed by a 6-month warranty and full technical documentation, including machinery test reports.

Technical Specifications

OEM Cross-Reference

This crankshaft directly replaces the following OEM part numbers:

• Yanmar: 11901-22001
• Yanmar: 123900-21010

Note: OEM service for custom specifications is available upon request.

Compatibility

This crankshaft is specifically designed for the Yanmar 4TN100 diesel engine. This engine platform is widely used in:

• Construction Machinery: Excavators, loaders, compactors.
• Industrial & Genset Applications: Power generators, pump sets, industrial power units.
• Agricultural Equipment: Tractors, harvesters, irrigation systems.
• Marine Propulsion: Small to medium-sized workboats and auxiliary engines.
• Material Handling: Forklifts and terminal tractors.

Global Supply & Distribution

We are a trusted supplier for the global industrial aftermarket. Our logistics network ensures efficient delivery to key industrial regions:

• Major Markets Served: North America (USA, Canada), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Japan, Southeast Asia), Middle East (UAE, Saudi Arabia), and Africa.
• Fast Port Delivery: We prioritize shipments to major international hubs including Los Angeles, Rotterdam, Singapore, Dubai, and Sydney.
• Export Expertise: All documentation (commercial invoice, packing list, certificate of origin) is provided for smooth customs clearance worldwide.

Quality Assurance

• Rigorous Inspection: Each crankshaft undergoes thorough dimensional checks, crack detection (Magnaflux or dye penetrant), and run-out measurement.
• Documentation Provided: A detailed machinery test report and video outgoing-inspection are available to verify condition and specifications.
• Warranty: This part is covered by a 6-month warranty against manufacturing and material defects.
• Post-Warranty Support: Continued online technical support is available for installation guidance and troubleshooting.

FAQ

Q: Is this crankshaft new or used?
A: This is a second-hand, professionally reconditioned crankshaft. It has been inspected, machined (if necessary), and tested to meet or exceed OEM performance specifications for a reliable repair.

Q: What documentation is included to verify quality?
A: We provide a machinery test report detailing key measurements and inspections. A video outgoing-inspection is also available upon request, offering visual confirmation of the part’s condition before shipment.

Q: Do you offer support for installation and fitment questions?
A: Yes. We provide comprehensive online technical support. Please have your engine model and serial number ready when contacting us for the most accurate assistance regarding installation and compatibility.

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 .