Motoblock Mobile K MKM-3-S7 Lander (Plowman) with Subaru engine

Motoblock MKM-3 Lander (Plowman, Mobile K)

The manufacturer of Plowman MKM-3 Lander walk-behind tractors is Russian. The company was founded in 1993 and was engaged in the production of attachments for agricultural machinery. Later, with the development of production and the emergence of its own plant in the town of Gararin, Smolensk region, the company began to produce walk-behind tractors, walk-behind cultivators, as well as tools for the garden and other products of the agricultural sector.


Motoblock MKM-3 Lander (Plowman)

Now not only walk-behind tractors are coming off the Mobile K assembly line, but also snow blowers specially designed for use in combination with MKM-3. You can find out more about this equipment later in the article.

In addition, the manufacturer Mobile K broadcasts from its own channel on YouTube, where the owner of a walk-behind tractor can watch videos about various models of walk-behind tractors and other equipment. The link to the video is in the corresponding section of this article.

Description

Walk-behind tractors Plowman MKM-3 belong to the class of lightweight walk-behind tractors for summer cottages, greenhouses, and small vegetable gardens. This device belongs to household appliances; assembly and use are carried out in accordance with the attached user instructions.

Modifications of the Plowman MKM-3 Lander model:

  • MKM-3-C6 (Robin-Subaru EX17D PREMIUM engine, power 6 hp, engine displacement 169 cm3, gas tank capacity 3.6 l);
  • MKM-3-S7 (Robin-Subaru EX21D PREMIUM engine, power 7 hp, engine displacement 198 cm3, gas tank capacity 3.6 l);
  • MKM-3-GX-200 (Honda GX-200 engine, power 6.5 hp, engine displacement 168 cm3, gas tank capacity 3 l);
  • MKM-3-B6 (Briggs&Stratton M106200 engine, power 6 hp, engine displacement 186 cm3, gas tank capacity 3.8 l);
  • MKM-3-B 6.5 (Briggs&Stratton Vanguard engine, power 6.5 hp, engine displacement 205 cm3, gas tank volume 3.8 l);
  • MKM-3-DK 6.5 (Dinking DK168F-1 engine, power 6.5 hp, engine displacement 198 cm3, gas tank volume 3 l).


MKM-3-S6 Lander


MKM-3-S7 Lander


MKM-3-GX-200 Lander


MKM-3-B6 Lander


MKM-3-B6.5 Lander


MKM-3-DK 6.5 Lander

Features of the MKM-3 Lander walk-behind tractor:

  • Each model is equipped with a four-stroke engine, air-cooled.
  • Mechanical clutch, V-belt transmission. The gearbox is gear-type, the oil filling volume is the same in all modifications, 1 liter.
  • The gearbox is lubricated by spraying oil.
  • Belt type for all models - A1040.
  • The overall dimensions of all modifications of the MKM-3 Lander are the same and amount to 155 x 73 x 130 cm.
  • The mass of the devices is 67 kg.
  • The cultivation width when using these models of walk-behind tractors when installing two additional cutters is 103 cm, the standard is 73 cm. The processing depth is 30 cm. The number of cutters is 4, the cutter diameter is 34 cm.
  • All walk-behind tractors in this model line are equipped with wheels measuring 4.00-8 (if desired, you can install tires measuring 4.00-10).
  • The operating speed of all modifications is the same and is 2/1 (2 forward, 1 reverse). Speed ​​in first gear: 3.5 km/h, in second - 7.8 km/h, in reverse - 2.5 km/h.

Owner reviews

The first thing to note (as all owners of the Plowman walk-behind tractor say) is that this model is designed for working on light garden soils; virgin soil and especially hard and dense soils are too much for it. For heavy soils, you will need a mid-class walk-behind tractor, weighing more than one hundred kilograms.

But it is very light and easy to operate - even any teenager can operate it! According to the owners, 10-15 acres of vegetable garden for this walk-behind tractor is the optimal area that it can cultivate without the slightest difficulty. There is truth and evidence of the work of the “Plowman” on virgin soils. Only in this case were wheel weights installed on the walk-behind tractor, and the track widened.

The material from which the walk-behind tractor is assembled is definitely not flimsy, the frame is very strong. The quality of assembly and painting also inspires respect and trust. The cutter protection design deserves praise: the earth does not fly high, which is safe for the face and eyes. Changing gears when working with cutters or a plow is convenient and easy. They switch quite clearly. The clutch also works clearly and smoothly, the “Plowman MKM-3” walk-behind tractor starts moving slowly and without jerking.

Another plus is that there is a power take-off pulley for a belt drive, applicable for a wide variety of inexpensive additional equipment. The pin located in front of the walk-behind tractor is also convenient. You can freely place weights on it for movement as part of a trolley and for harrowing. Excellent balancing and weight distribution: all the weight falls on the wheels.

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Manufacturers praise the gearbox for good reason: it is really powerful, high-torque and of very good quality. This gearbox is more reliable than chain or worm gearboxes. Rubber shock-absorbing handles are good both in quality and in comfort. The same can be said about the clutch handle. It is convenient and comfortable to adjust the steering wheel. The walk-behind tractor is quickly and easily disassembled and assembled into positions for transportation and work. The walk-behind tractor coulter is equipped with comfortable wheels; you can move the walk-behind tractor on them while cultivators are standing on it, so as not to spoil the paths.

The following review from the owner of “Plowman MKM-3” is very noteworthy: “Last year I dug up a 20-acre garden – it took me half the fall to do it. This year, in the run-in mode - milling for 10 minutes, resting for 10 minutes, I processed the same area in just a couple of hours. I can’t imagine what I didn’t buy before!”

One of the disadvantages of this model is the tight gas; increased vibration in the middle range of rotation of the crankshaft. The tension roller bearing is dry, and after stopping the engine it rotates with a whistle for another 30 seconds. Some owners note as a drawback - weak welding in the area where the steering wheel is attached to the frame. The throttle lever sticks from time to time.

It is also noted that for high-quality snow removal, the speed of the walk-behind tractor is too high. Even in first gear, so sometimes the snow thrower choke. The solution is to additionally purchase a utility pulley for this walk-behind tractor. Due to the smaller diameter of the pulley, the speed of the walk-behind tractor will be noticeably lower, and the rotation speed of the snow blower auger will remain at the same level.

In general, we can conclude that there are noticeably more positive experiences in owning Gagarin walk-behind tractors than negative ones. The “Plowman” (“Lander”) MKM-3 walk-behind tractor not only looks decent in appearance. It is also well-assembled, quite maneuverable and has maximum versatility.

Attachments

Attachments for Plowman MKM-3 Lander walk-behind tractors are presented in a wide range both on the manufacturer’s website and in domestic online stores. Next, we will take a closer look at the types of attachments for MKM-3.

Milling cutters

The walk-behind tractor comes with 4 disassembled cutters. Assembly is carried out using the fasteners included in the kit. Cultivator knives are also available for purchase (separately). The cutters/knives are made of hardened steel, the metal thickness is increased.


Milling cutters

Adapter, trailer

All types of trailed equipment for Plowman MKM-3 Lander can be purchased separately.


Adapter

Such equipment is secured using appropriate couplings, which are also available in the range of attachments. Overall dimensions of adapters: 1720x650x1050 mm, 1760x670x1150 mm.


Trailer

Overall dimensions of carts and trailers: 2505x1290x1156 mm, 2865x1490x980 mm, 2680x1290x980 mm, 2760x1490x980 mm, 2680x1360x1080 mm, 1785x1290x710 mm. Load capacity: from 350 to 500 kg.

Mowers

For the Plowman MKM-3 walk-behind tractor, you can use various types of mowers, including mulching and even semi-professional ones. For heavier walk-behind tractors, we recommend the professional Ghepard mower, G85 107 cm.

Mulching mower Ghepard G85 mower

Wheels, tracks

The available sizes of pneumatic wheels for a walk-behind tractor of this model can be different, the most popular are 4.00x8 and 4.00x10.

Wheels 4.00×10 Crawler attachment

Owners often install larger diameter wheels on heavy-duty walk-behind tractors in order to increase the speed of movement of the equipment around the site and the traction force required to work with a cart or trailer.

Lugs

Sold both individually (different diameters: from 350 mm to 650 mm) and in sets of attachments.


Lugs 390 mm

These kits usually include hillers, a plow, grousers and sometimes hitches for a cart or other type of trailed equipment. A set of attachments is usually purchased to perform basic earthworks: plowing, hilling a plot of land.

Plow

One of the most popular types of attachments. For operator convenience, modern plow models have a removable share. This makes it easier to replace the part or clean it from the ground. You can understand how to plow with a plow by watching the video presented in this article.


Plow

Snow plows

Blade shovels, presented in the range of attachments, have the following dimensions: 1460x1000x800 mm, 1000x520x400 mm. Weight of products from 18 to 35 kg.

Snow blower Shovel-dump

In addition to standard snow blowers, the Mobile K company also produces a self-propelled snow blower - model C65, B6.5. This is a completely independent type of equipment designed for snow removal.

Video review of the self-propelled snow blower Mobile K S65K7

Potato digger

A universal part, without which harvesting will be a tedious task. Diggers for Plowman MKM-3 Lander are a classic version of the product: with a plowshare grip width of 410 mm and a weight of 5.2 kg.


Potato digger

The log digger for motor cultivators has a smaller weight and working width: only 30.5 cm, weight 3.3 kg.

Weights

Considering the low weight of Plowman MKM-3 walk-behind tractors, many farmers use special weighting agents.

Weights

The weight of the weighting material can be different: from 18 kg or more. Weights are attached to the wheel axles and increase the stability of the walk-behind tractor during operation and the depth of soil cultivation.

Hitches

The hitches presented on the manufacturer’s website differ in the type of angle of attack adjustment, the method of attachment, they are sliding and conventional and are designed for use with different models of walk-behind tractors or cultivators.


Hitch

Hitches from Plowman MKM-3 are also suitable for such walk-behind tractors as Salyut, MTZ, Agros, Favorit and others.

Design Features

The vast majority of owners note such a positive feature of this model as well-balanced balancing. The center of gravity is located exactly in the middle (engine above gearbox). This makes working with cutters very convenient (the walk-behind tractor does not fall forward or backward); when working with an active hitch (it is easy for the walk-behind tractor to set any desired direction). This balanced design makes the load on your hands as minimal as possible.

The Plowman MKM-3 walk-behind tractor has three speeds, two of which are forward and one is reverse. A characteristic detail is the presence of a very reliable and durable gear reducer. This is a mechanical collapsible gear reducer with excellent traction force. It is manufactured at an aircraft factory. It gives the equipment high reliability and maintainability. Other domestic walk-behind tractors are equipped with the same. In particular, the Agat and Salyut brands. The drive uses a turned steel pulley. It allows you to obtain a consistently high coefficient of engagement with the belt.

Motoblocks "Plowman" are equipped with steering wheels of a modern design, with adjustments in 2 planes. Individual selection of adjustments is available, horizontally and vertically, depending on the physical characteristics of the person. Professional motor pens of original Italian origin are used as controls. The effort on the pressed handle is very small, which helps reduce operator fatigue during a variety of work operations.

When the steering wheel is removed, the walk-behind tractor becomes very compact in size and can be easily transported from place to place in any, even the smallest, car. The low weight allows you to easily rotate the walk-behind tractor 360 degrees, without the need for a wheel release function. The design of this walk-behind tractor is completely free of plastic parts and other unreliable, short-lived or low-quality elements. The protection is also made of steel. As standard, the “Plowman MKM-3” walk-behind tractor is equipped with two axle extensions for possible widening of the track.

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Operating Information

An important document for the Plowman walk-behind tractor is the operating instructions. Study it carefully and do not violate the recommendations on the types of gasoline and oil for the transmission and engine, otherwise the engine may quickly fail and the fuel and oil filters may become clogged.

Service

Manufacturer's recommendation: gearbox oil TAD-1711 according to GOST 23652-79. Can be replaced with SAE 90, SAE 75W/90 according to API GL-4, GL-5. The walk-behind tractor is supplied with the gearbox already filled. After break-in, the oil must be drained and the container filled with fresh oil.


SAE 30 oil

Oil for four-stroke engines, air-cooled - SAE30 / SAE5W-30. Fuel: AI-92 gasoline, AI-95 or AI-93 is allowed.

Basic malfunctions and ways to eliminate them

The table below, which is an excerpt from the operating instructions, shows possible malfunctions of the Plowman MKM-3 Lander walk-behind tractor. Use these recommendations when troubleshooting violations. If the problem persists, contact a service center in your area.


Table Basic malfunctions and ways to eliminate them

First start

The run-in of the MKM-3 Plowman walk-behind tractor should last 20 hours. At zero engine load, run the device for 10 minutes (rpm 2500), at 30% load - another 10 minutes, and the next 10 minutes at 60% of maximum power.

Important! Cultivate the soil in one pass without plunging to a depth of more than 12 cm.

After running-in, the walk-behind tractor is considered ready for work. During the running-in period, the engine and gearbox burn in, and the walk-behind tractor adapts to future loads. Compliance with the rules of running-in and the timing of scheduled maintenance will allow you to use the equipment profitably for many years.

Scheduled maintenance dates for the Plowman MKM-3 lander walk-behind tractor:

  • every 50 hours of operation (routine inspection, oil and fuel changes, filter cleaning);
  • 100, 200 or more hours - similar actions, including cleaning or replacing the spark plug, belts, filters, and, if necessary, cutters.
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