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Petrol Trenchers

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The petrol trenchers are agricultural machinery used for tillage, in particular for digging and opening trenchesof various depths and widths. These machines are equipped with petrol engines that guarantee power and reliability in use. Designed for professional, semi-professional and even advanced hobby use, the petrol trencher allows precision work in different types of terrain.

What is the purpose of a petrol trencher?

Irrigation trenchers are mainly used for digging small channels efficiently and quickly These machines allow the soil to be worked in depth and with precision, making them ideal for operations such as theinstallation of irrigation pipes, underground electrical cables and drainage systems. Due to their ability to dig long and narrow trenches, trencher machines are essential in agricultural work, construction sites and ground maintenance activities, as well as in the private sector for use in gardens and driveways.

The main applications of the petrol trenchers include:

  • Excavations for irrigation systems : used to create trenches that facilitate the laying of underground pipes and water systems.
  • Installation of electric cables : they allow safe laying of cables in depth, protecting them from damage.
  • Drainage systems : ideal for creating trenches for rainwater or sewage management.
  • Advanced gardening work : used to create irrigation systems or for garden drainage operations.

The use of the petrol trencher is particularly suitable in professional contexts such as agriculture and construction. They are used, for example, for the installation of irrigation systems in fields or for laying underground cables and pipes in urban and rural areas. In the semi-professional or domestic environment, they can be used for advanced hobby operations such as the creation of drainage channels in gardens or the installation of irrigation systems on smaller areas.

What do petrol trenchers chains look like?

Petrol Trenchers are made up of several components that work together to ensure high performance and reliability.

The first crucial element is the petrol engine, usually a 4-stroke engine that provides the power needed to operate the machine. The petrol trenchers can be equipped with engines from brands such as Briggs & Stratton, an American manufacturer of engines known for their durability and performance, or Loncin, a Chinese company offering engines with good value for money.

The main components of irrigation trenchers include:

  • 4-stroke engine : powered by petrol, it offers power and reliability, ideal for long-term work.
  • Belt drive : transfers power from the engine to the cutting system, ensuring smooth and consistent operation.
  • Starting system : can be manual, by means of a pull cord, or electric, with the use of a key or a button for faster and more convenient starting.
  • Cutter bar or “sword”means the element that penetrates the ground and creates the trench. Bar sizes can vary, allowing for trenches of different widths and depths.

How do petrol trenchers work?

The petrol trenchers operate with a petrol engine that provides the power to operate the cutting system. These engines, usually 4-stroke, convert the chemical energy of the fuel into mechanical energy, which is then transferred to the shear bar via a belt drive system.

The process begins with starting the engine, which can be done by a manual start with the classic pull cord or a more convenient electric start, using a key or button.

The operation of the trencher is based on a few key steps:

  • Ignition of the engine: the fuel, usually petrol, is mixed with the air and compressed inside the combustion chamber. Ignition is by means of a spark plug, which generates a spark, starting the engine.
  • Power transfer : the belt drive allows the power generated by the engine to be transferred to the cutting system. This method is effective in distributing force evenly and reducing wear on internal components.
  • Cutter bar in action: the bar, equipped with toothed chains, enters the ground and, thanks to its high-speed rotation, digs a trench. The toothed chains are designed to penetrate even the hardest soils, ensuring a clean and precise cut.
  • Depth adjustment: Many digging chains allow adjustment of the cutting depth, which can vary from 45 to 60 cm. This adjustment is essential to adapt the machine to the different types of soil and the specific needs of each operation.
  • Working length control : the length of the trench is determined by the width of the shear bar, which varies between 60 and 80 cm. This variability allows you to work in confined or larger spaces depending on the project being built.

Advantages of the petrol trenchers

Irrigation trenching chains offer many advantages over other trenching tools. Compared to hand excavation or the use of shovels and similar implements, these machines significantly reduce the time and effort required to complete the job. In addition, they guarantee precision and consistency in the depth and width of the excavation, characteristics that are difficult to achieve with manual methods.

The main advantages of the petrol trencher include:

  • Operational efficiency : thanks to the power of the petrol engine and the belt drive, these machines can work continuously on even hard and compact ground, speeding up the digging process compared to hand or electric tools.
  • Versatility of use: the petrol trenchers are suitable for both large-scale agricultural or construction work and for more specific work such as laying cables or pipes.
  • Strength and durability: the combustion engine provides long life and superior durability, especially in models with well-known engine brands such as Briggs & Stratton. The robust design and drive system help to reduce component wear and increase the machine's service life.
  • Freedom of movement: thanks to the petrol supply, these overhead contact strips can be used in remote or difficult to access areas without the restriction of an electrical power cable.

Technical characteristics of irrigation trenchers

Petrol-powered trenchers are distinguished by a number of technical features that determine their performance and use. Here are the main technical characteristics of petrol trenchers:

  • Fuel: petrol
  • Engine: Briggs & Stratton or Loncin
  • Starting mode: manual and electric
  • Transmission: belt-driven
  • Nominal and actual power
  • Tilling depth:
  • Working length

Fuel: Petrol

Excavating trenchers are powered by petrol, using 4-stroke engines. This type of fuel provides more range and power than electric or battery-powered models. The petrol combined with the 4-stroke engine design provides efficient combustion and low fuel consumption, allowing the machine to be operated for extended periods without the need for frequent refilling.

Petrol fuel makes the combustion trenchers independent of external energy sources, allowing them to be used in remote areas or without access to the mains. This is crucial for those working in agricultural fields or construction sites far from cities.

Motor: Briggs & Stratton or Loncin

The motor is the heart of the power chain and can be made of several brands, with Briggs & Stratton and Loncin being among the most used.

  • Briggs & Stratton is a historic American manufacturer known for its high-quality, durable petrol engines, used in many agricultural and gardening machines. Engines from this brand guarantee power and reliability even in the toughest working conditions.
  • Loncin, on the other hand, is a Chinese brand that offers great value for money. Loncin engines are designed to be economical but at the same time ensure good performance. This makes them ideal for those looking for an efficient solution without compromising on quality.

Starting mode: manual and electric

Petrol trenchers can be equipped with a manual or electric starting system.

  • Manual starting is done by means of a pull cord, a traditional and reliable method that requires physical effort, especially in models with high power engines. This system is appreciated for its robustness and simplicity.
  • Electric starting, on the other hand, uses a battery to start the engine with the push of a button or by turning a key. This system is more comfortable and faster, reducing operator effort and making the machine easier to use, especially in repeated work conditions.

Transmission: belt-driven

The belt drive is a key component for transferring the power generated by the motor to the cutter bar. The belt has the function of distributing power evenly, reducing wear on internal mechanical components and improving the overall life of the machine.

The belt also acts as a shock absorber, absorbing some of the vibrations and shocks generated during work. This type of transmission is particularly suitable for those who operate the machine in intensive environments, providing increased engine protection and reduced maintenance costs over the long term.

Nominal and actual power

The nominal power of irrigation trenches is an indicative value that refers to the maximum power that the engine can develop under ideal conditions. This value typically ranges from 6.5 to 15.5 HP (horsepower). However, the actual power, measured at the crankshaft, is less than the rated power, which represents the actual performance of the machine during operation.

Actual power is the most important parameter to consider when evaluating the capabilities of the overhead contact line. An engine with adequate effective power ensures continuous, uninterrupted work even in difficult terrain or during intensive work.

Working depth:

The working depth indicates how deep the overhead contact line can dig into the ground. On the models of the petrol-driven trencher, the working depth generally varies from 45 to 60 cm. This feature is essential for those who need to perform deep excavations, e.g. for laying underground pipes or large cables.

The greater the working depth, the more the machine can cope with hard, compacted terrain without compromising its effectiveness. Cutting depth adjustment is an option on many models, allowing the machine to be adapted to different soil types and specific needs.

Working length

The working length, or trench width, generally varies from 60 to 80 cm. This directly affects the amount of soil that the overhead contact line can remove in a single pass. A larger working width allows you to complete the job faster, making these machines ideal for large-scale work.

The ability to adjust the working length allows the machine to be adapted to the specific needs of the project. A narrower trench is useful for precise operations, while a wider trench is ideal for excavations that require the installation of large pipes or cables.

Buying guide for petrol trenchers

The choice of a petrol trencher depends on various factors related to the type of work you intend to do, the frequency of use and the characteristics of the ground. When purchasing an overhead contact line, it is important to consider a few key elements to ensure that the product is suitable for your needs:

  • Engine power : the nominal power, expressed in HP, is a fundamental parameter. For hard groundwork or deep excavation work, it is advisable to opt for a track chain with a high power engine, between 10 and 15 HP. For less demanding work, a 6.5 to 9 Hp model may be sufficient.
  • Working depth and width : the working depth ranges from 45 to 60 cm and the working width from 60 to 80 cm. For more precise excavations, such as laying underground cables, a small depth and width are ideal. For more demanding jobs, such as creating large pipe trenches, it is best to opt for machines with maximum values.
  • Starting system : the starting system can be manual or electric. Electric starting is recommended for those who want more convenience, while manual starting is simpler and more robust, suitable for those who do not want to depend on electrical components.
  • Transmission: the belt drive is essential for efficient machine operation, reducing motor wear and ensuring even power distribution.
  • Professional or hobbyist use : the petrol trencher is suitable for both professionals and advanced hobbyists. For those who need a machine for intensive work, models with powerful engines and electric start are recommended. For less frequent use or on smaller surfaces, a lower power apron with manual start may be the best choice.

Customer types

Petrol trenchers are suitable for different customer profiles, each with specific requirements:

  • Agricultural professionals : need excavations for large-scale irrigation systems and underground pipelines. Features to consider include a powerful motor (10-15 Hp), belt drive and a large working depth and width (up to 60 cm and 80 cm).
  • Construction companies: they use trenchers for laying electrical cables and drainage systems on construction sites or urban infrastructure. A motor with electric start and adjustable working depth up to 60 cm is recommended.
  • Advanced hobbyists : use trenchers to create drainage channels or install irrigation systems in gardens. They must target models with medium power (6.5-9 HP), manual starting and shallower working depth (45 cm).
  • Irrigation plant installers : require trencher equipment to dig trenches for irrigation plants in parks and gardens. The main features to consider are an engine with good power (9-12 HP) and adjustable working width.
  • Green area maintainers : use the petrol trenchers for the maintenance of drainage systems and piping in public or private green areas. It is important to consider models with electric start, belt drive and good working depth for compact terrain.

The best brands of irrigation trench chains available on AgriEuro

Purchasing a petrol trencher from a reputable brand is essential to ensure quality and durability. AgriEuro offers a selection of leading brands in the sector, known for the production of robust and high-performance machinery.

  • Blackstone: a specialist in agricultural equipment, with petrol trencher designed to deliver high performance and durability.
  • Greenbay: a manufacturer of agricultural and gardening machinery, known for its excellent value for money power chains, ideal for professionals and advanced hobbyists.

Why buy petrol treon AgriEuro?

Buying a petrol trencher on AgriEuro offers numerous advantages that make the buying experience simple, safe and convenient. Here are some reasons why it is worth buying from AgriEuro:

  • Fast and Free Shipping: AgriEuro guarantees fast and free shipping handled by its own logistics centres.
  • Spare parts availability : you can order spare parts for each product, always available, ensuring a long life cycle of the machines purchased.
  • Personalised after-sales service: AgriEuro offers an attentive and personalized customer service, ready to respond to any need or request for support.

Thanks to these services, AgriEuro is positioned as one of the best options for purchasing catenaries for online irrigation excavations, offering not only high-quality products but also impeccable customer service. Check out all the power chains available and take advantage of offers on AgriEuro.


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