Mini-excavators, also known as compact excavators, are small hydraulic excavators valued primarily for their ability to maneuver and function within tight or narrow areas where larger excavators can’t.
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Mini excavators are tracked machines about the same size as a typical skid-steer but they serve a very different purpose.
Defining Characteristics
One of the characteristics that makes mini-excavators special is their ability to fit where full-size excavators cannot. This is due to their small footprint and the zero-tail swing that many mini excavators have. The zero-tail swing allows excavators to work very close to existing objects without the danger of hitting them because the housing never extends over tech tracks.
In addition, the combination of their weight with continuous tracks results in very low ground pressure. Very low ground pressure means that they can work on rather delicate ground. At the same time, tracks free them from the limitation of working only on smooth, stable surfaces. This makes compact excavators extremely versatile when it comes to working conditions. Stable, unstable, smooth, or rough, they can handle the terrain.
Finally, don’t let their small size fool you, those: these machines fit a great deal of power in a small space.
1. Industries
The wide variety of attachments for mini-excavators means they can be used in many industries and applications. These include forestry, agriculture, landscaping, construction, and plumbing, just to name a few.
2. Forestry
Mini excavators can be used with processor heads for thinning or grapples for picking up logs. Mini-excavators have also been used to topple over smaller trees. Sometimes mini- or midi-excavators are used with a trailer as a sort of “mini” skidder in forestry. Attachments like brush cutters further extend their usefulness.
3. Agriculture
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There are many specialized attachments that make mini-excavators very useful in farming applications. Bale spears allow bales of hay and straw to be moved quickly and easily. Augers are ideal for digging fenceposts or drilling holes. There are also brush cutters for keeping grass and weeds under control and rake boxes for preparing land or smoothing it out.
4. Landscaping
Mini excavators are a popular piece of equipment in landscaping because of their ability to flatten landscape, dig irrigation ditches, remove stumps, and dig ponds. As with agriculture, brush cutters can help get overgrown lawns and weeds quickly get under control.
5. Construction
Mini-excavators are good for excavation (especially digging trenches) as well as demolition. They can do just about anything their big brothers can but on a smaller scale, and can work in places their big brothers simply cannot go.
6. Plumbing
Their use in plumbing is tied to their ability to dig trenches quickly and effectively. They are used to access pipes or lines for both new construction and repair, including sewer lines.
7. Attachments
Attachments for mini excavators include a dozer blade, hammer, auger, grapple, or breaker and many more. All these attachments - and more - are available.
Mini-excavators are stealing part of the market from backhoes because of their versatility and size, and when we see the variety of industries, they can be used in it is no wonder.
Small and old is not a helpful description. Look at the bucket you have, measure the length the teeth stick out from the blade portion of the bucket. Measure the width and thickness of the blade material. say the teeth are 25mm x 20mm, and protrude 75mm from the blade portion of the bucket. The blade of the bucket is 15mm thick and 40mm wide.
What you want to do is keep the ratio of the crossections the same. so to double the length of the teeth, they have a section of 25 x 20mm = 5.0CM2, so you need about 10CM2 at the end where it connects to the section that acts like the blade area of the bucket. so the section would be like 35mm x 28mm=9.8CM2.
This is rough and dirty way to figure out how to upsize something. The best way is to find one that fits your size machine and measure. If you have any rocky ground, BEWARE, you will tear up anything, that is not strong enough to stall the hydraulics.
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