The Yanmar 3TNM72-AFF three-cylinder in-line diesel engine is compact and durable, delivering stable and reliable power. It is widely suitable for small excavators, loaders, generator sets, and agricultural and industrial equipment. Its high fuel efficiency and smooth operation ensure continuous and efficient power delivery in a variety of operating conditions, making it an ideal choice for long-term equipment operation.
Typical Applications
- Small excavators and loaders
- Generators and backup power supplies
- Agricultural machinery, such as tractors and harvesters
- Industrial equipment, such as pumps and hydraulic systems
- Construction and engineering machinery
Features & Benefits
- Compact and lightweight design, suitable for equipment with limited space.
- Stable power output for reliable continuous operation.
- Low noise and vibration for comfortable operation.
- Durable and wear-resistant core components for a long service life.
- High fuel efficiency, reducing operating costs.
- Easy installation and maintenance, reducing downtime.





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: If I only know the excavator model, but can not offer parts No., what should I do?
A2: If possible, you can send us pictures of old products, name plate or the size for reference.
Q3: Can you accept sample order?
A3: Yes sure. We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q4: Do you test all your goods before delivery?
A4: Yes, we have 100% test before delivery.
Q5: How can I do if there is something wrong with the items?
A5: Our products have been professionally tested and the quality is very stable. If you really found something wrong, please contacts. We have a professional after-sales team to help you solve the problem.