How to install?
Before installing the engine on an all-wheel drive mini-tractor, it is necessary to assemble the platform (usually it is done with the help of special "pillows"). So, the rear part of the engine must be installed directly on the "pillows", and for the front part it is necessary to prepare an iron platform (it can be made by welding two corners). When this design is ready, you should proceed to the process of installing the engine. So, the nuts from the "pillows" must go into the holes located in the corners of the engine.
Then the nuts should be screwed on tightly - such a fastening will ensure reliability. Basically, the engine should be placed on a pre-prepared platform. After that, the structure, together with the engine and the platform for it, is attached to the mini-tractor using a belt, in order to avoid strong vibration, it is necessary to make this mount as strong, reliable and tight as possible.
The lineup
A large number of different engines are produced under the Briggs Stratton brand, most of which are mounted on a cultivator. The lineup is represented by several models, which are classified according to the following criteria:
- Power. For most jobs, only 3 hp is enough. More powerful equipment is used for processing large areas of land.
- The number of cylinders. With an increase in this indicator, the power of the device increases, but the design becomes more complicated.
- Volume. By increasing the volume of the engine, the amount of fuel burned increases.
Other components are supplied with the engine, which are required for the operation of walk-behind tractors. The reducer is intended for transformation of rotation, the tank is for temporary storage of fuel, which will be supplied to the engine after mixing with air.
450 series
A similar series is intended for domestic use, installed on walk-behind tractors and cultivators, lawn mowers and other similar equipment. The 148CC's design features are that they are not whimsical to the quality of the fuel used. Therefore, refueling can be carried out using the A-92 brand. The key points of the device are as follows:
- The block has only 1 cylinder.
- Overhead valve arrangement and vertical power take-off shaft.
- The air filter is made of foam rubber.
- Proprietary ignition system. It provides easy starting of the engine in various conditions.
- The system responsible for the automatic shutdown of the engine when the oil level is insufficient. It eliminates the likelihood of increased structural wear due to untimely maintenance and leakage.
All branded frame mounting accessories can be purchased if required. Repairs are often done by hand. for this there is everything you need on sale.
500 series
The single-cylinder engine with horizontal and vertical PTO has an aluminum sleeve, the power indicator can vary from 3.5 to 5.5 hp. A similar model is installed on a large number of different cultivators and lawn mowers.
At the same time, the manufacturer paid much attention to the development of an effective muffler, due to which the noise level during operation is reduced.
The manufacturer also took care of reducing the amount of harmful substances emitted into the atmosphere. Special technology has reduced the rate by 72% compared to standard motors.
An air filter, a manual starter, is responsible for mixing air with fuel.The spark plugs are original, with careful attitude they can serve for a long period. The 158CC model is perfect for solving a variety of household tasks.
650 series
Version 190 CC is installed on cultivators of various brands. The features of this model are as follows:
- The engine is 4-stroke.
- The device runs on AI-92 gasoline, so there will be no problems with refueling.
- Manual starter. To start the engine, you need to pull the handle and set the flywheel in motion.
The vertical shaft arrangement provides more efficient power take-off. The inner part of the structure is represented by an aluminum sleeve, the power of the device is 5 hp. When creating the series under consideration, an automatic decompressor and a mechanical regulator were installed. The developed technology allows to reduce the amount of emissions into the atmosphere by 60%.
Helpful hints and warnings
First, when choosing a model, pay attention to the availability of spare parts. No matter how cheap the tractor is, if in the future it breaks down and you cannot get the necessary spare parts, the apparent savings will turn into additional costs
Be sure to pull through all the connections and fasteners of the unit on your own, or with the assistance of outside help. This should be done in any case, even if you buy a tractor from the most reliable and time-tested manufacturer.
Before starting operation, check the oil and working fluids level everywhere. It is better to play it safe and be completely confident in the reliability of your equipment than to face an unpleasant breakdown at the very beginning of operation.
Compliance with the operating instructions
In the first hours and days of a brand new tractor, do not overload it, let all parts and assemblies gradually rub against each other, the engine will receive the necessary break-in mileage with minimal operating loads. This will significantly increase the service life of all units of the new device.
Change all working fluids regularly and in a timely manner, carry out timely maintenance of your mini tractor. The frequency and order of maintenance is indicated in the technical documentation provided by the manufacturer or dealer.
If possible, do not allow unauthorized persons to operate the device. Any technique loves one owner who knows all its features, sores and benefits.
The engine of the minitractor experiences in the process of operation, periodically changing significant loads. For example, when we plow in the spring on a Chinese mini tractor, we must remember to check the level of all working fluids after winter, top up or change them if necessary.
This will increase the engine life and save you from expensive repairs or the need to purchase a new engine unit.
The main advantage of Chinese-made mini tractors is, of course, their price. But both the build quality and the reliability of operation of many models of Chinese mini tractors meet the most stringent requirements imposed by the consumer (a mini tractor for a household with your own hands can be a possible alternative).
The availability of spare parts and high maintainability make the purchase and operation of Chinese-made mini tractors cost-effective and justified.
Russian-made minitrators will also be a profitable purchase. Read about them here.
What kind of oil to fill?
A walk-behind tractor, like any other technical device, needs careful use and constant care. Oil plays a huge role in this process, which ensures stable operation of the power plant. However, it is necessary to figure out what kind of oil can be poured into a particular engine, since the durability of the unit depends on this.
Of course, the most correct option will be the one indicated in the instructions for use. It is necessary to carefully read the document and strictly follow it. If this information is not specified, you can use the classification of the American Petroleum Institute.
- API CJ-4 oil will be an excellent solution for devices with high power. We are talking about power units that produce 10-12 horsepower. Such installations are subjected to enormous loads on a regular basis. This type of oil fully complies with the regulations on particulate matter emissions.
- CH-4 can only be used in four-stroke power plants that run on diesel fuel. The main advantage of this oil is its minimal sensitivity to fuel quality.
- CF-2 oil will be an excellent option for motoblocks that differ in two-stroke power units. The product contains special additives that provide reliable protection of the power plant against wear and have a positive effect on durability.
Sometimes situations may arise when the work of the walk-behind tractor is not as smooth as we would like. There are several main reasons for this problem.
- Poor PCV performance, causing oil to flow back into the powertrain. To solve this problem, you need to replace the PCV valve.
- Mechanical malfunction of the diesel engine, which causes too much oil consumption. In this case, it is necessary to check the compression.
- Old valve seals that allow oil to enter the engine. These parts should be checked regularly and replaced if worn.
As is clear from the above, diesel power units are considered the ideal solution for motoblocks. They are characterized by a low level of fuel consumption, which is especially important when the equipment is used regularly
When choosing, be sure to pay attention to the power of the installation, the type of oil to be filled, and other technical parameters.
For more information on popular models of diesel engines for a walk-behind tractor, see the video below.
Features of the device
The following components are included in the standard equipment of many types of mini-tractors:
- PTO;
- hinged device (traditionally it is three-point);
- cassette mechanism;
- transmission.
The first of the items on the list provides the ability to use additional attachments, such as a lawn mower, plow, harrow, hiller and others. Attachment, in essence, consists of levers of various sizes that allow the attachment to be installed. Thanks to the cassette mechanism, the owner or user of the mini-tractor is able to replace heavy equipment, and the transmission allows you to select the optimal speed.
Do-it-yourself fracture mini tractor. Application area
The all-wheel drive mini-tractor, made by hand, has quite good cross-country characteristics, which makes it possible to perform virtually the same scope of work as shop counterparts, such as Uralets, Kubota, Bulat 120, Yanmar, Belarus 132n, Scout.
Of course, the power of a home-made unit may be somewhat weaker, but at the level of domestic use, this fact is almost imperceptible.
Application area
The main area of application of this do-it-yourself unit is agricultural work. This term covers a fairly wide range, including many related works. In other words, a homemade mini tractor is needed for the following purposes:
- plowing of land holdings for the purpose of their further use;
- cultivation of the soil, as well as getting rid of weeds;
- harrowing the soil;
- sowing operations on treated soil;
- planting and digging potatoes.
In principle, this is the main purpose of the mini tractor, for which it is made. But, its application can be significantly expanded if a special connection for additional equipment, mounted and trailed, is provided in its design.
If everything is done correctly, then your homemade product can additionally perform the following work:
- transportation of various goods (transportation of firewood, construction waste, etc.); snow removal in the winter season;
- mowing lawns and lawns, and making hay for livestock.
As we can see, the mini-tractor breaking the classic 4x4 with its own hands can significantly facilitate the life of any rural resident, because with the help of this technique it becomes possible to perform all types of work that are required with competent maintenance of subsidiary farming.
The indispensability of a home-made unit is also due to the fact that a minimum of investments and funds are used in its manufacture, which is very important for rural areas
How to choose?
Since the engine provides the operation of a mini-tractor, its choice should be approached with special care and attention. Experienced experts advise you to study the following design characteristics before purchasing a unit:
- power (this indicator is usually measured in horsepower);
- number and volume of cylinders;
- capture size;
- fuel that must be used for refueling, as well as its consumption;
- torque;
- the amount of harmful chemicals emitted into the atmosphere;
- dimensions;
- the weight.
As for power, it is better to choose devices whose power exceeds the figure of 13 horsepower - it is believed that this figure is a kind of border between powerful and low-power mini-tractors. However, here it is worth noting that if you are not going to work with a mini-tractor in a constant and intensive mode, then you do not need a powerful structure. In addition, with an increase in cost, the price of equipment also increases.
An equally important indicator is the size of the capture or the width of cultivation. The speed of soil cultivation primarily depends on this parameter. However, the amount of grip should be minimal if you plan to use the mini tractor on areas of land that have a lot of relief.
Speaking of dimensions, it should be noted that if you plan to do everyday and not too laborious work, for example, mowing a lawn, then you should choose compact models that will be quite mobile and mobile. If the work is more complex, you need to choose more massive units. The weight of the structure should not be less than half a ton
It is also important to remember that there are diesel and gasoline engine types.
The most popular among consumers is a two-cylinder UD with a reduction gear and a clutch. It is he who is most often recommended to be installed by professional engineers, as well as technology lovers. In addition, if you have an IZH motorcycle at your disposal, then the engine for a mini-tractor can be removed from it.
In addition, consumers often face the problem of choosing units of domestic and foreign production. Undoubtedly, Japanese or German equipment is of higher quality than Russian (and more expensive). However, at the same time, it is worth remembering that domestic devices are in no way inferior to Chinese ones (and sometimes even surpass them). In addition, when buying an engine for a domestically assembled mini-tractor, you lose the problem of finding the right parts for replacement in case of breakdowns and malfunctions (for example, it does not start well).
Conclusion
As you can see, the wide selection of motoblock engine manufacturers can actually be divided into three groups.The cheapest, but also the least quality, will be little-known or unknown brands from China (often such motors are sold simply as "Chinese 5 hp motor").
Then there are large Chinese manufacturers, in the same price segment with them Chinese products sold under local brands - often this equipment is produced even at the same plant.
The most expensive engines are units of American and Japanese production, as a rule, they are at least two times cheaper than Chinese copies, but they differ in quality and resource no less strongly.
In this article, you can learn how to choose motors for your lawn mower.
Also, perhaps the article about motors for a cultivator will be useful to you.