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Yanmar 3TNM72 Diesel Engine 3-Cylinder Water-Cooled Motor for Mini Tractor and Mower

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  • 3TNM72

  • Yanmar

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Product Description: Yanmar 3TNM72 Engine

The Yanmar 3TNM72 is a compact, vertical, water-cooled diesel engine designed for exceptional reliability and fuel efficiency in demanding light industrial applications. It embodies Yanmar's legacy in compact diesel technology, providing a robust and versatile power solution for a wide range of equipment through its integrated TNV/TNM Power Pack design, which simplifies installation and maintenance while delivering durable performance .

Core Technical Specifications

Feature Specification
Engine Model Yanmar 3TNM72 
Type Vertical cylinder, 4-cycle, water-cooled diesel 
Combustion System Indirect injection 
Aspiration Naturally Aspirated 
Number of Cylinders
Bore x Stroke 72 mm x 74 mm 
Displacement 0.904 Liters 
Rated Output 17.1 kW @ 3600 rpm 
Cooling System Radiator 
Starting System Electric Start (12V) 
Dimensions (LxWxH) 722 mm x 464 mm x 683 mm 
Weight 138 kg 

Target Equipment & Core Applications

The 3TNM72 is engineered as a prime mover for compact machinery requiring reliable, continuous power.

  • Compact Construction Equipment: Primarily used in small excavators and compact engineering machinery .

  • Industrial Power Units: Well-suited as a power source for small generator sets and various light industrial machinery .

  • Other Mobile Equipment: Its compact design also makes it applicable to a range of other mobile equipment requiring a reliable diesel power source.

Core Technologies & Product Advantages

1. Integrated TNV/TNM Power Pack Design
The engine is part of Yanmar's innovative Power Pack series, which packages the engine with essential ancillary systems. This "complete package of Yanmar technologies" is designed for multi-purpose usage, ensuring simple, user-friendly installation and maintenance, high quality, and versatility right out of the box .

2. Compact and Robust Construction
With its vertical cylinder configuration and compact footprint, the 3TNM72 saves valuable space in equipment chassis. Despite its small size, it is built with durability in mind to provide reliable performance in continuous duty cycles .

3. Fuel Efficiency and Environmental Considerations
The engine utilizes an efficient indirect injection combustion system. This design contributes to good fuel economy and lower emissions, aligning with Yanmar's focus on environmental friendliness without sacrificing performance .

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KELUO is a company of machinery, engines, used equipment and spare parts founded by Hanhan in combination with HANJIU, Elephant in the industry.
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