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Some of the most common types of Yanmar 3-cylinder diesel engines are described below.
Yanmar L100 Diesel Engine:
The L series is one of Yanmar's most popular small and compact diesel engines. The power range of this engine is small but typical for many small machines. It can generate about 10-12HP (7.5-8.9kW) at a speed of 3600 rpm. Typical applications for the L100 diesel engine include small tractors, generator sets, and light industrial equipment. Due to its compact size, the L series can easily fit into small spaces or be used together with other components to make larger ones.
Yanmar L70 Diesel Engine:
The L70 is similar to the L100 model but with slightly lower power output. A notable feature of the L70 engine is that it achieves its maximum torque at 2200 rpm — a relatively low engine speed. This means that the engine can provide a lot of pulling power without having to spin very fast. In addition, the engine's design helps to reduce fuel consumption, and the long engine life makes it suitable for small-scale farms. Like the L100, the L70 engine is simple to install and doesn't take up much space. So, it can be used in many kinds of light-duty equipment. The power the L70 engine produces is enough for small generators, pumping water, tilling soil, and other farm work.
Yanmar 3TNA Diesel Engine:
This model features a more advanced, three-cylinder design that provides greater power and efficiency. The 3TNA engine uses an electronically controlled common rail fuel injection system. This helps to raise output, improve fuel use, and cut down on exhaust emissions. The 3TNA model also comes with two variants — 3TNA68 and 3TNA72. The 3TNA68 has a displacement of 1.642 liters and produces 24.5 kW (33.1 HP) at 2800 rpm. On the other hand, the more powerful 3TNA72 has a displacement of 1.832 liters and puts out 29.4 kW (39.4 HP) at 3000 rpm. Thanks to its more advanced features, the 3TNA diesel engine serves many applications such as construction machinery, commercial vehicles, and agricultural tractors. High performance and smooth running make it an excellent choice in all kinds of settings.
Yanmar TF Diesel Engine:
For small to medium-powered equipment that needs a reliable power source, the Yanmar TF diesel engine is an excellent choice. Its design provides a simple way to get high torque at low speeds and fuel efficiency. The TF series covers up to six models from 1 to 2 liters in engine size. It produces between 15.5 – 56.0 kW (21 to 75 HP) power. Some common applications of the Yanmar TF engine are agricultural tractors, construction equipment, generator sets, and small trucks. The engine's durable design allows it to run for many years without needing much maintenance.
Specifications may vary based on the specific model of the engine. Here are some standard specifications.
To keep a Yanmar 3-cylinder diesel engine running properly, regular maintenance is needed. Here are some maintenance tips:
The versatility of the Yanmar 3-cylinder diesel engine shines through as it finds application in numerous industries and for various usage scenarios.
Agriculture:
In the farming sector, the Yanmar 3TNM81 engine is well-known for fueling tractors and harvesters, among other farm machinery. The powerful engine enables the efficient tilling of farmland, transportation of farm produce, and mowing of grass, boosting overall farm productivity.
Construction:
The construction industry relies heavily on the Yanmar 3-cylinder engine. It is used widely in small-sized but powerful excavators, loaders, compact tractors, and other construction equipment. With its reliable performance, the Yanmar engine assists in various construction tasks, like digging, moving, and compacting.
Marine:
This 3-cylinder diesel engine is also perfect for maritime applications. It can be used as a main propulsion motor for small sailing boats, fishing vessels, and even pleasure crafts. It can also serve as a power source for diesel generator sets that provide electrical energy on board ships.
Automotive:
Additionally, power from the Yanmar 3-cylinder diesel engine can be applied to automotive vehicles. When attached to the proper transmission system, it can be used as a small-sized truck engine or a light-duty pickup engine.
Generators:
This miniature workhorse may also be employed to drive diesel generator sets in order to achieve electrical power output. Diesel generator sets fueled by this tiny yet powerful engine can provide a stable and continuous electric power supply in environments where there is no public electricity.
When choosing a Yanmar three-cylinder diesel engine for sale, buyers should consider the following factors:
Application requirements analysis
Buyers need to clarify the applicable model and power of the diesel engine for their own equipment or vehicle. They also need to consider the working environment, working time, and load intensity to ensure that the selected engine can meet the application needs.
Engine performance
Check the power, torque, fuel efficiency, and reliability of the engine. Ensure the selected engine has sufficient power and torque to provide a comfortable working state for equipment or vehicles. Consider the fuel consumption rate of the engine to reduce operating costs for the long term use. At the same time, choose an engine with high reliability to reduce faults and maintenance.
Size and weight
Check whether the size and weight of the engine are suitable for installation and use in specific applications. Ensure that the engine can be properly installed and connected in the space available, and the weight will not affect the equipment or vehicle's performance and stability.
Emissions
Consider the engine's emission system to ensure compliance with applicable environmental standards. Choose an engine with advanced emission control technology to reduce environmental pollution.
Engine source
Choose a reputable manufacturer or supplier. Understand the engine's source and production process to ensure the quality and reliability of the engine.
After-sales service and support
Buyers should choose suppliers that offer comprehensive after-sales service and support. It includes technical support, spare parts supply, and maintenance services. Good after-sales support can solve problems and needs quickly during use.
Q1: What is the Yanmar 3TN engine rating?
A1: The Yanmar 3TN engine belongs to the category of small engines. Typically, small diesel engines are usually rated less than 50HP.
Q2: Is the Yanmar 3TN part of the 3TNA model?
A2: Yes, the Yanmar 3TN is further divided into three models. They include Yanmar 3TNA, Yanmar 3TNE, and Yanmar 3TNV.
Q3: How long does a diesel engine last?
A3: Diesel engines are generally known for their longevity. On average, a well-maintained diesel engine can last 15 to 20 years or more, depending on factors like maintenance, driving conditions, and engine quality.
Q4: Are 3-cylinder diesel engines common?
A4: Yes, three-cylinder diesel engines are very common. They are mostly used in small vehicles, agricultural equipment, and generators where space constraints require the use of smaller engines.
