How To Set Up A Rotary Mower

How to set up a rotary mower Tools Unfortunately, most owners of trailers and mini tractors do not always use them to their fullest, and in order to mow the lawn or field they hire other equipment. Though,

  1. The principle of operation of a rotary mower
  2. Features of rotary mowers
  3. Rotary mower with your own hands
  4. Homemade rotary mower from scrap materials
  5. The cost of purchased rotary mowers

Homemade rotary mower from scrap materials

Materials for making:

  • Four wheels of the same size, up to 45 cm in diameter;
  • Two axles for mounting wheels;
  • A metal sheet;
  • The bottom of an old metal barrel;
  • Four knives;
  • Nuts and screws for fixing knives;
  • Welding machine;
  • Chainsaw;
  • A handle for control or a pipe for making it.

Instead of wheels, it is possible to use an old baby carriage with metal wheels. A chainsaw is fixed on it, which will rotate the so-called rotor.

how to set up a rotary mower

A temporary transfer from the pulleys will help to replace the tire. A metal sheet is installed on the lower part of the stroller, which must be cut out by an angle grinder, in accordance with the dimensions of the stroller. In addition, it is necessary to cut the bottom in the form of a disc from a metal barrel. From another barrel or improvised means, cut out a casing that will have a diameter slightly larger than the disc. It is possible to manufacture an aluminum canopy, which will help to lay the cut grass. A handle is used to control the mower, if available from a stroller, use it, otherwise, build a handle yourself. Attach knives to the disc, make sure the connections are tight. Further, all parts are assembled by welding. First, a metal sheet is attached to the stroller, then a casing is fixed on its surface and a disc is inserted into it. When the chainsaw is started, this mechanic rotates and mows the grass.


Unfortunately, most owners of trailers and mini tractors do not always use them to their full extent, and in order to mow the lawn or field they hire other equipment. Although, it is quite possible to do this with a rotary mower. The cost of such a tool is prohibitively high, so it is much more profitable to build it yourself. We will consider further how to make a rotary mower from available tools.

Model range of units

The rotary tiller mower can be presented in the following models:

  • Zarya. Installed using a gearbox and additional brackets. The device is used for mowing grass, small shrubs and grain. The width of the structure is 70-80 cm. If necessary, the device is used when processing stony soil;
  • “Dawn 1”. Used for soil cultivation in a hard-to-reach place;
  • “KNS-0.8 Strizh”. Allows you to mow grass 2 m high;
  • “KM-0.5”. Compact model with a cutting width of 50 cm.

Rotary mower models for mini tractors:

  • Z083 MINI. Designed for mowing grass in a large area. This model is not used on mountainous terrain;
  • Dm 135. Mows and mows grass. The model is equipped with 8 knives;
  • “KP-2.1m”. A mounted rotary mower for mini tractors allows you to work the land with solid objects;
  • Z-069 Wirax. Polish model with which you can work a large area. The grass is mowed and laid in swaths;
  • Krn-2.1b. Mows the grass in a difficult area;
  • Sb-1200. Semi-mounted model of Czech production. With this mobile structure, you can repeat the topography of the soil.

Homemade devices

If necessary, you can make a rotary mower for a tiller and a mini tractor with your own hands. To make equipment for a tiller, you need a welding machine, fittings, tape measure, metal corners.

The frame of a homemade rotary mower for a tiller is made of metal corners (4×4 cm). Then the bearings are installed. The next step is to manufacture the working part of the apparatus.

The resulting construction will chop small grass and mow tall weeds. Do-it-yourself Neva rotary mower for a tiller is made from 2 discs taken from a seeder, a gearbox and a chain from a chainsaw.

Each disc will require 4 knives. Cutting elements are made of hardened metal. To install them, drill holes with a diameter of 6 mm. The cutting elements are fixed to the tiller with a shank. At the same time, the gap between these elements is maintained (1-2 mm).

This design ensures fast mowing of grass.

During the operation of the tiller with a rotary mower, the knives can be rotated 360 degrees.

The axis of the apparatus is made of carbon steel with a diameter of more than 8 mm. To make the knives move freely, the axle is tightened with a disc. The discs are mounted on the frame, linking them to the drive. The discs should rotate opposite each other (to ensure that they fold into rows of cut grass).

Rotary Mower Specifications

Experts classify the units under consideration into the following types:

  1. Devices that mow and lay grass in swaths;
  2. Devices that mow and lay grass in windrows;
  3. Rotary mowers for tiller, which cut and chop the grass.

Some models submerge, flatten the grass while mowing and laying in the swath. Taking into account the method of installation, experts distinguish such devices as trailed, semi-mounted and rotary mounted mower.

The device in question consists of a rear, front and side cutting system. Apparatus with 1, 2, 3 or 5 bars are installed on the tractor. The rotor scythe is started by the action of the tractor shaft or wheels.

The considered units are installed on the tractor and tiller in a horizontal position. The knife and connecting rod must move in the same plane. For work on a small plot of land, a Polish tractor mower is used. Front mounted model divides the land into pens.

Before buying a rotary mower for a tiller, the principle of its operation is studied. If it is necessary to mow sown high-yielding and lodged grasses, weeds, then a rotary apparatus is used. Such a mower fixes itself to the tiller or tractor. The equipment consists of a bar to which knives are attached.

The device with a grinder consists of a rotor, frame, drive mechanism, pipeline. The principle of operation of a rotary mower on a tiller: when the equipment moves, the vegetation is tilted with a shield, then mowed with a knife. The grass rises, is crushed, falling into the container.

If it is necessary to quickly cultivate the land, then a Polish mower for a tractor or tiller with several cutting elements is used. Experts recommend buying such devices taking into account the following criteria:

  • Cutting height of the grass;
  • Performance;
  • Knife rotation frequency.

Plus a rotary mower for a mini tractor. The presence of a damping device that protects the knife from various obstacles. Experts refer to the additional advantages of the device:

  • Easy to operate;
  • High security;
  • Saving time.

Tiller wagon mower

This device can be used as a mower in summer and as a snow blower in winter. To do this, in the winter version, stars are put on the mower, and in the summer, when it is time to mow the grass, knives from the mower. This model can also be classified as rotary, but it is more complex.

The grass that can be mown with this model can have a hard structure, and snow in winter with ice crust.

The structure of this model is made of two drums, which are connected by a frame and a conveyor belt with hooks.

The cart is made by welding pipes, metal corners, in general, any metal that can be found. Plywood and wheels are attached to the frame. Wheels can be taken from a child’s bike or stroller. The whole frame from the stroller is also suitable. Plywood is taken thick, it is better to use a metal sheet in general. The dimensions of the mower frame can be different, but the suggested sizes are 80×40 cm.

The main working body of this mower is assembled from drums (5), a conveyor belt (3), a frame (10, 16, 17, 18,20), brackets (19), hook angles (4).

Large diameter cans can be used for drums. The covers and the bottom are cut into them. In their place, two wooden circles are mounted. If you cannot take cans, you can use a thin sheet of metal and cut 8 discs out of it. 4 of them will be 20 cm in outer diameter, four in 17 cm in inner diameter. We connect them in pairs, small and large with bolts. We attach knives to these discs, 4 for each. The knives should rotate freely, therefore, when fastening, we leave a gap of 1 mm. But at the same time, the fastening must be strong so that the knives do not rip off when hitting stones. The drums are fixed to the frame by first inserting the sleeve into them.

The drums are attached to a frame, which is assembled from an upper transverse beam (10), and strips with heel bushings and corners (16). For the manufacture of the beam, a steel angle 35×35 mm is used. The side part of the corner must be cut off by 35 mm, so that there are end places for the M5 bolts. A conveyor belt will connect the drums to each other. To mount it, grooves with a diameter of 13 mm are made in the corners. For the same task, the lower sleeve of the driven drum is installed on the bar (15) movably, and tensioning corners (20) are attached to the upper ends of the drum axles. The corners 20 are tightened to the end pads of the transverse beam with M5x65 mm screws.

The easiest way to make a transport belt is from a rubber strip, which is connected into a ring using a 2 mm thick dryule plate.

DIY segmental mower for a tiller

For the manufacture of such a mower, they take a metal bar 15x50x120 or a stub from the scythe arrow and drill 12 holes with a diameter of 10 mm in it to fit the M8 bolts. A 89 cm long guide rail with knives and teeth is then attached to these bolts. The knives are attached on both sides of the timber. They have backs with segments and drive arm clips attached to them. Clamps and runners are also attached to the timber from both ends. The wheel is mounted on the main frame. It can be taken from an old stroller. The cutting part starts to work under the influence of the PTO of the tiller. This can be seen in detail in the figure, where: 1- main frame; 2- braces; 3-gear wheel; 4-adjustment and fixing of the braking system; 5-pawl securing the brake; 6 and 8-main arcs; 7-body for hinges; 9-leg; 10-gas line; 11-valve regulator; 12-capacity for gasoline; 13-handle; 14 and 17 are levers. 15-click mechanism; 16-bolt; 18-gas regulation; 19-clamp; 20-muffler; 21 engine; 22-fixing fasteners; 23-fairing; 24 and 25 cutting knives; 26-case; 27- sled; 28-fixing element; 29-knife frame; 30-thrust; 31-finger; 32 and 33 pressure plates of the upper and lower parts.

Such a mower will easily mow the grass without chopping it up. How does a similar DIY mower work?

What mowers are assembled by masters

When assembling a homemade braid for a tiller, they usually use improvised material that has been lying around for a long time in the shed or remains from some broken device. After all, the main goal when creating a mower with your own hands is to save money and at the same time achieve maximum results. One uses a chain from a chainsaw to collect such a design, the second Models invented by ordinary readers sometimes surprise even professionals with their simplicity and design idea.

Do-it-yourself mowers are usually of the front type and have designs:

  1. Rotary mowers
  2. Segment mowers
  3. Mower carriage

The basis for the rotary and segment mower is a welded frame. It is brewed from metal corners that are at hand, but the standard is 4×4 cm. Bearing housings for the wheel axle are attached to the frame. And then they already make the very working part of the mower, of the type that you have chosen.