Motoblock agros engine replacement

Motoblocks are supplied to the modern domestic market by many well-known companies in the post-Soviet space. Some of these manufacturers make lightweight equipment of this type, designed to handle only small garden plots. Other companies produce professional plowmen. Among the latter is the company Ufa-Mechanika LLC. This manufacturer supplies the market with powerful, high-quality Agro walk-behind tractors. Feedback from farmers about this brand of equipment has been simply excellent.

A little about the manufacturer

The first Agros walk-behind tractors rolled off the assembly line of the Ufa Engine Plant in our country. In the 90s, this oldest enterprise in Russia specializing in the production of aircraft engines, like many others of its kind, experienced economic difficulties. In order for the plant to survive, its management then had to make a decision to produce small agricultural equipment and other consumer goods, which were quite in demand in those years.

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The first plowmen rolled off the assembly line of this enterprise in 1998. These models were then called “Agros”. Already in those days, equipment from this manufacturer began to enjoy great popularity among consumers. Owners of homestead farms responded very well to walk-behind tractors of this brand.

Later, the plowmen of the Ufa Engine Plant were modernized and renamed Agro. During the entire time that the plant was engaged in the production of such equipment, they sold more than 40 thousand units.

In 2008, the production of Agro agricultural equipment at the Ufa enterprise was discontinued. The plant returned to its original specialization. Somewhat later, the company’s management signed an agreement with Ufa-Mechanika LLC on partnership and transfer of the technical base for the production of plowmen. At the moment, this company is located in Russia.

Technical characteristics of Agros walk-behind tractors

Manual labor in agriculture is extremely difficult and, moreover, ineffective.
And if combines and tractors are used to cultivate large fields, then a walk-behind tractor would be ideal for small areas. He is much more productive than a human and is not difficult to handle. Prices for walk-behind tractors vary greatly on the market. Agros, for example, is estimated at approximately the same level as its counterparts from China. Reviews of Agros walk-behind tractors characterize these products as real hard workers who are not afraid of even the hardest work.

General characteristics

Modern domestic plowmen "Agro" are powerful multifunctional agricultural equipment. On specialized forums on the Internet, many owners of dachas, farmsteads and farms certainly recommend buying such units.

This equipment is manufactured according to the classic single-axle design and is equipped with a power take-off shaft. These cars also deserve good reviews because they are equipped with a differential. The presence of such a design element significantly increases their maneuverability, and therefore ease of use.

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The weight of walk-behind tractors of this brand is significant - about 160 kg. Transporting them, as many farm owners note, is therefore quite difficult. However, in operation, the Agro equipment is capable of developing quite high speeds - up to 15 km/h. Among other things, the maneuverability of this plowman is enhanced by a specially designed handle that can be rotated at a large angle.

Design of the Agro walk-behind tractor, technical characteristics


The Agro walk-behind tractor is a universal technique that can be used to perform a wide range of work.
All this is possible thanks to attachments that you can easily purchase at any store or even make with your own hands. The following attachments are suitable for the Agro walk-behind tractor:

  • trailers;
  • mower;
  • plow;
  • hillers;
  • potato diggers and potato planters. In the video you can see how easy the process of harvesting potatoes is;
  • rotary cutters;
  • snow blower, and much more.

The Agro walk-behind tractor has pneumatic wheels, which make the device stable and maneuverable. The manufacturer also equipped the unit with a universal hitch, which will allow you to purchase attachments even from other brands.

The Agro walk-behind tractor itself has been produced in Russia for a long time, and over this entire period it has proven itself exclusively on the positive side. This is shown by consumer reviews.

The Agro walk-behind tractor has the following technical characteristics:

  • power - 8 hp This is quite enough for processing virgin soil and heavy types of soil. But you can increase this figure if you install a more powerful engine;
  • weight - 160 kg. On the one hand, this is a huge plus, since the equipment will have better traction with the ground, and, consequently, the soil will be processed more efficiently. You don't have to put in a lot of effort to get the unit to sink well into the ground. But if you have to transport a walk-behind tractor, transportation will be difficult due to its weight and size;
  • On average, the Agro walk-behind tractor consumes about 2 liters per hour, which is quite a decent indicator for such equipment. At maximum loads - 6 liters per hour;
  • gasoline four-stroke single-cylinder carburetor engine. It has an air-type cooling, so even in summer at maximum loads it will not overheat.

Scope of use

Since Agro walk-behind tractors are heavy and powerful, they are usually purchased either by owners of very large summer cottages or by owners of small farms. It is from such consumers that these walk-behind tractors have earned the best reviews. Most often, Agro models are used by farmers and summer residents for:

  • plowing the land;
  • harrowing and cultivation;
  • cutting beds;
  • mowing;
  • hilling and harvesting potatoes.

That is, such equipment is intended primarily for performing agricultural work.

Motoblock Agro (agros) - review of models, reviews, price.

Heavy walk-behind tractors Agro The walk-behind tractor Agro is classified as a heavy professional walk-behind tractor.
This powerful small-scale mechanization unit not only has enviable reliability and serious engine power (8 hp), but it is also very simple to operate. Thanks to its powerful traction force and its weight (about 160 kg), the Agro walk-behind tractor has the ability to mechanize the soil cultivation of any subsidiary farm much more efficiently - from a small summer cottage to a serious farmland, and, of course, the Agros walk-behind tractor greatly facilitates the work of housing and communal services and organizations . Agros walk-behind tractors are equipped with a full set of attachments, the list of which includes: segment mower KN-1 and mower KM-0.5, plow PN, potato digger, potato planter, mounted walk-behind tractor unit ANM-4 hillers, grousers, soil cutters, snow blower SM-2B , walk-behind blade (scraper, shovel, knife), road brush ShchP-09, trailer trolley PTM-500, etc., which can also be bought in our store. We also offer an angular gearbox for attachment and engines for Agro walk-behind tractors - UMZ-341.

Agro walk-behind tractors were initially produced in the city of Ufa under the Agros brand, which was later renamed Agro. Reviews about heavy Agro cultivators are the most positive. The Agro walk-behind tractor is professional and is suitable not only for small gardens and vegetable gardens, but is also ideal for large farms. It is easy to operate, easy to repair, soil cultivation does not require much physical effort from the operator, thanks to the powerful 8 hp engine, which can be seen in the video.

Brand: Agro (Agros) Rated power: 8 hp. (5.88 kW) Engine displacement: 333.3 cm³ Engine: UMZ-341, single-cylinder, four-stroke, carburetor Bore × piston stroke: 79.0 × 68.0 mm Compression ratio: 7.4 Maximum torque: 17 .2 Nm - 1.75 kgf/m Cooling system: air, forced Ground clearance (clearance): 250 mm Non-adjustable track: 600 mm Smallest turning radius: 1.2 meters Traction force: no less than 100 kgf Reducer: gear, with differential and power take-off shaft Fuel used: gasoline from A-76 to AI-92 Fuel tank volume: 6 liters Fuel consumption: 2 liters per hour Nominal fuel consumption: 390 g/kW - 287 g/hp/h Weight of walk-behind tractor: 160 kg Overall dimensions (LxWxH): 1800×850×1100 mm Weight of walk-behind tractor with wheels: 160 kg Country of origin: Russia Warranty period: 12 months Price 59,000 rubles

The overall dimensions with the wheels removed (the wheels are placed on top of the walk-behind tractor) of the Agro walk-behind tractor are 1000x850x700 mm. When sent by a transport company, a walk-behind tractor is counted as 3 pieces.

Agro walk-behind tractors are equipped with a high-quality, powerful domestic engine of 8 hp. The Agro walk-behind tractor is sold to order from the Ufinsky plant. Delivery time is 4-6 working days from the date of advance payment. The price does not include the cost of delivery from the manufacturer. Shop

Customer reviews about the Agro walk-behind tractor (source: Internet forums)

A good professional class device. The only part I have any complaints about is the carburetor. The MB is designed to work in different modes, but the carburetor is unable to support this; at idle and medium speeds there are no problems, but when loads and full loads arise, the speeds begin to float. At MB I replaced it with a single-chamber one from Zaporozhets. Now it works without problems.

I would suggest a step with 2 positions, since with it fully extended it is not possible to attach a trailer or attach an attachment. Fuel tank with a flat bottom! I understand that it is compact, but it does not provide fuel to the engine in all operating modes of the walk-behind tractor! IMHO - either it should be cylindrical, or with a “cone” bottom. It’s also inevitable that all agro units should be equipped with additional weights when selling, and I really want a system for additional balancing of the walk-behind tractor when working with various attachments. And the main thing, of course, is the expansion of the dealer network...

Another would be to add brakes on the wheels, the ability to change the track, install a hydraulic pump (for example, like on the MTZ mini tractor), increase the rigidity of the steering column, and an oil pressure indicator. The PTO engagement drive should be made with a cable like the Djuse or with the same lever that turns on the differential lock. It didn’t hurt to modernize the cutter: reduce the speed, change the knife fastening system and increase the working width to 700 mm. In addition, I would also like to diversify the attachments - I would like a rotary mower with a centrifugal clutch for the blade drive + mulching and a grass catcher, a hole drill, a universal drive unit for the units - a pulley with an angular gearbox for the PTO, etc. And, most importantly, a REDUCTION in prices for everything, especially for attachments.

Motoblock Agro (agros) can be bought in the store

Where else can it be used

In addition to working on the ground, Agro walk-behind tractors can be used to perform, for example, work such as snow removal in winter and cleaning paths. Judging by the reviews, the yard and driveways to the house can be cleaned very quickly using this technique, since it has significant power.

Snow removal with a walk-behind tractor
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Also, Agro walk-behind tractors are very often used by homestead owners and farmers for transporting goods. In this regard, this technique has also earned good reviews. If necessary, these walk-behind tractors can transport loads weighing up to 500 kg.

How to adjust the carburetor on an agro walk-behind tractor

In order to configure the equipment, you need to understand what is being done in this case. For example, additional adjustments can be made without removing the device; for full adjustment, you will need to remove the technical element. Let's take a closer look at the process of installing options:

  1. first of all, you will need to dismantle this device from the corresponding equipment location;
  2. the next step will be a complete rinsing of the structural element in a gasoline solution;
  3. Next, you need to completely clean the neck using a lint-free cloth, and also by moving the flap to the side;
  4. the next step is to completely dry the device, after which the required gap is set using adjusting mechanisms. This is interesting: adjusting the carburetor of a walk-behind tractor.

At the final stage, the device is mounted in place, after which the cultivator is started. Here you will need to use the same adjusting elements to bring the damper position to the optimal level so that the mixture is supplied smoothly, while the engine has normal speed and smooth operation.

X45p

In this case, we are talking about a fairly high-quality analogue of the Japanese version of the fuel supply device for the engine. This device is configured in the same order, however, the need for periodic adjustment should be highlighted here, since failures may occur on such versions, which is due to the lower quality of the assembly and materials used. These indicators are partially affected, but at the same time the rather low cost stands out in comparison with the original Japanese spare part.

Engine

Equipment of this brand is assembled mainly from domestic components. The engine for these models is a single-cylinder UMZ-341. This engine for Agro walk-behind tractors has a power of 8 l/s. Judging by the reviews of summer residents, it, among other things, can be considered quite reliable and durable.

Sometimes owners of private plots, in order to improve the performance characteristics of such a plowman, independently install Chinese Lifan engines on it. Agro walk-behind tractors with engines of this brand are ideal, for example, for plowing problem areas with heavy soil. Lifan engines from 9 to 13 l/s can be installed on Ufa plowmen. Sometimes engines of other brands can be mounted on such walk-behind tractors.

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Characteristics and dimensions

The Agros walk-behind tractor has the following characteristics: the track is 600 mm, the turning radius is at least 600 mm. The ground clearance of the walk-behind tractor is 250 mm. The equipment is designed to overcome fords up to 300 mm deep. Tire parameters – 6x12 inches. The maximum processing depth is 200 mm.

A 4-stroke single-cylinder carburetor running on gasoline fuel is responsible for performance. This is a domestic UMZ-341 engine with a power of 8 horsepower, which has a forced air cooling system. The design of the engine is completely identical to the Japanese Honda GX240 engine. A special feature of the engine is its low compression ratio, which allows it to work even with low-quality fuel. Thus, gasoline with both low and high octane numbers is allowed.

The cylinders in the engine are located at an inclined angle of 25 degrees. Let us pay attention to the improved lubrication system in the UMZ-341 engine. Thus, the operating principle of the new technology is not to spray oil, but to supply it under high pressure to the rubbing elements. The supply occurs under the influence of the oil pump after the oil has been filtered in a replaceable filter.

Among other characteristics of the UMZ-341 motor, we note:

  • Dimensions: 490x440x375 mm
  • Volume 0.3 liters
  • Torque 17 N/m
  • Compression ratio – 7.4
  • The piston stroke is 68 mm, the cylinder diameter is 78 mm.

The engine, which weighs 35 kg, is started by a manual starter. Alas, there is no electronic starter even in the basic configuration. But there is support for cheap fuel starting from the A-76.

The engine works with a six-speed manual transmission, which has two speeds for forward movement. The built-in reverse allows you to move backwards and thereby improves maneuverability, which is very convenient, for example, when processing small areas with many obstacles that have to be avoided.

Read also: Review of Prorab GT-710 SK walk-behind tractors

Let us note the main features of the transmission:

  • The design includes a conical “dry” type friction clutch. The clutch has manual control.
  • The main gear is presented in the form of a pair of bevel gears with circular teeth.
  • Gear bevel differential with forced locking.

Attachments

Farmers attribute the versatility of Agro models, of course, to their undoubted advantages. Such walk-behind tractors can be aggregated with:

  • plows and mowers;
  • lugs;
  • potato planters and diggers;
  • hillers;
  • road brushes and snow blowers;
  • dumps;
  • trailers.

If desired, cutters can also be installed on walk-behind tractors of this brand.

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What attachments are offered for the Argo walk-behind tractor?

As for attachments, they are often purchased by established owners of a walk-behind tractor, because with its help you can harrow, water, cultivate, cultivate soil, dig up root crops, remove snow, clear the area of ​​leaves, etc.

The most popular additional devices are potato diggers, trailers for the successful transportation of certain loads, hillers, seeders, rakes, plows, snow blowers, etc. These objects are constantly being improved, so every year new and even more practical options appear that can perform several times more tasks.

Reviews

The undoubted advantages of such models for farmers and homestead owners include:

  • heavy weight;
  • high power;
  • simplicity and convenience of gear shifting;
  • the ability to connect electrical appliances, including a headlight;
  • possibility of using cheap gasoline.

Judging by the reviews, this walk-behind tractor plows even the heaviest soil quite efficiently. Thanks to its high power, this model is very convenient to use for transporting goods. Of course, farmers consider the advantages of Agro walk-behind tractors to be their relatively low cost, as well as their long service life.

Breakdowns and repairs

The Agro unit differs from other heavy-duty models in its long service life and reliable operation.

The operation of the walk-behind tractor is influenced by operating conditions, proper running-in after purchasing the factory unit, and timely maintenance and care.

If the unit is under warranty, then all repair work must be carried out by the module manufacturer. The owner has no right to open the seals and repair it. If the malfunctions of the walk-behind tractor are minor, then you can adjust its operation yourself.

Possible breakdowns and damage are presented in the repair instructions for the Agros walk-behind tractor and have a general appearance. Among them are the following:

  • problems with starting and engine malfunctions;
  • The chassis does not work;
  • malfunctions in the gearbox (gearbox);
  • clutch failures;
  • the lubrication and cooling system is broken.

If the engine does not start, the reasons and solutions are as follows:

  1. There is no fuel in the fuel tank. Fill the tank with fuel.
  2. The hole in the gas tank cap is clogged. Open the tank cap, clean the hole and reinstall.
  3. Fuel is leaking from the carburetor. It is necessary to adjust the carburetor of the walk-behind tractor.
  4. Fuel system clogged. Drain the fuel from the fuel tank, rinse with gasoline and blow out the carburetor jets, inspect the spark plug.
  5. Filter clogged. Replace or clean the filter.

If the engine operates with noise, knocking or jerking, it is necessary to adjust the valves on the Agro walk-behind tractor using special probes.

If the idle speed is unstable, the gap in the gearbox cover may be too large, so it is necessary to adjust the gap to 0.2-0.5 mm.

A decrease in the power of the walk-behind tractor is possible in the following cases:

  • clogging of the carburetor, gas hose, air filter;
  • crankcase cuff failure;
  • carbon deposits in the combustion chamber.

Elimination methods include inspection, cleaning all parts, and blowing off the hose.

If the starter of the Agro walk-behind tractor fails or the fuse blows, the best solution is to replace unsuitable parts.

Malfunctions of the gearbox chain appear as a result of its jamming. The clutch can be damaged if the chain breaks, so it needs to be replaced.

The following failures and breakdowns are possible in the gearbox:

  • the kinematics inside the gearbox are disrupted;
  • spontaneous gear changes or their complete absence;
  • oil leak on the shift shaft.

It is better to repair the box in special workshops. A gearbox is a complex unit, and you can’t do it without knowledge of mechanics.

Ignition system

In the “why there is no spark” problem, the reasons for the breakdown lie in the details, such as:

If there is no spark or sparks weakly, it is necessary to adjust the intermediate gap and check the condition of the electrodes. The gap norm is 0.8 mm.

When there are changes in the gap between the intake and exhaust valves on the engine, they are tightened or relaxed to the permissible value.

A low compression ratio has been detected in the cylinder. All worn parts are removed and replaced.

Cleaning the muffler will also help get rid of the spark problem.

Engine replacement

If the engine for an Agro walk-behind tractor breaks down and needs to be replaced, use an adapter kit. Instead of a native motor, imported ones with a cylindrical shaft with a diameter of 25 mm are suitable:

  • Weima - with a power of 13 hp. With.;
  • Subaru EX 27 - 9 l. With.;
  • Honda 9 - 13 l. With.;
  • Lifan 9 - 13 l. With.

Replacing the engine is as follows:

  • remove the motor from the cultivator and dismantle the clutch mechanism;
  • remove the drive cup under the conical shaft and replace it with one machined under the cylindrical one;
  • A walk-behind tractor clutch is installed on the imported engine and connected to the transmission.

With constant use of the machine, spare parts may wear out. Most often, parts of the clutch mechanism and bearings need to be replaced. There are no problems with choosing parts for Agro. They can be purchased both from official dealers of the company and in the open market.

Comments from summer residents

Judging by the reviews of owners of land plots, there are therefore many advantages to walk-behind tractors of this brand. But of course, this technique also has some disadvantages. These farmers primarily include:

  • inconvenience in preparing for haymaking;
  • fairly rapid failure of the ignition coil;
  • no counterweights included.

Also, some farmers consider the disadvantages of these walk-behind tractors to be that they do not start very well in the cold. Strong noise and vibration, of course, can also be attributed to the disadvantages of Agro.

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Farmers' suggestions for improvement

At the moment, “Agro” is practically the only professional heavy walk-behind tractor produced in Russia. Judging by the reviews from farmers, this technology is quite good. However, in the design of such walk-behind tractors, according to the owners of household plots, there are still certain “jambs”.

For example, some farmers would advise the manufacturer to make gear shifting clearer in these walk-behind tractors. Also, as the owners of land plots note, in order to replace the oil seals, Agro has to disassemble almost the entire engine. In addition, many farmers believe that it would be nice for these models to have stronger steering.

The weight of Agro walk-behind tractors is, of course, heavy. But many plot owners advise the manufacturer to also start producing models for 200 kg. Owners of small farms would, of course, really like such plowmen. For arable land, the Agro plow, judging by the reviews, sometimes, unfortunately, is a little lacking in weight.

Advantages and disadvantages of the Agro walk-behind tractor

Motoblock "Agro": spare parts
It is also worth talking about the advantages of the Agro walk-behind tractor, and, by the way, there are a lot of them. In addition to all of the above, there are also the following advantages:

  1. The equipment is easy to operate. It is powerful enough to move on its own, and you just need to guide it. The weight is enough for it to sink well into the soil;
  2. The Agro walk-behind tractor is a professional equipment, so it can easily cope with large volumes of work, is suitable for cultivating large areas of land and can transport large loads;
  3. Maintainability. As practice shows, the machine rarely fails. But you always need to change consumables and spare parts, which will wear out over time. You can do the repair yourself. In addition, you can buy any components in any store. In the operating instructions you will find the manufacturer's recommendations for repair work.


There are also some disadvantages to the Agro walk-behind tractor. For example, users often encounter the problem of the carburetor not working correctly. It would seem that the equipment is powerful and designed for heavy loads, but the carburetor cannot cope with them, so the so-called “floating” speed appears.
The gas tank of the Agro walk-behind tractor has a flat bottom and there may also be some difficulties with it. Although it has a compact size, gasoline can sometimes be poorly supplied to the system. In addition, the fuel valve often becomes clogged. To solve these minor flaws, you can replace the parts with better ones from other machines.

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