The engine powered skid-steer loader comprises a small and rigid frame, equipped together with lift arms which could connect to several industrial tools and attachments to execute numerous labor saving jobs. Typically, skid-steer loaders are four-wheel drive vehicles which have the left-hand side wheels operating independent of the right-hand side wheels, although some models are outfitted together with tracks instead. On the four-wheel models, having each side independent of each other enables the rotation direction of the wheels and the wheel speed to determine which direction the loader will turn.
These machines could "pirouette" or also known as zero-radius turning. This particular feature makes skid-steer loaders extremely valuable and maneuverable for applications that need a compact and agile loader.
On a skid-steer loader, the lift arms are at the side of the driver along with pivot points behind the driver's shoulders. This makes them different than a conventional front loader. Due to the operator's closeness to moving booms, early skid loaders were not as safe as traditional front loaders, specially throughout the operator's entry and exit. Today's' modern skid-steer loaders have many features to protect the driver like for instance fully-enclosed cabs. Like other front loaders, the skid-steer model could push materials from one site to another, can load material into a trailer or a truck and can carry material in its bucket.
There are many times where the skid-steer loader could be used in place of a big excavator on the job location for digging holes from within. To start, the loader digs a ramp to be used to excavate the material out of the hole. As the excavation deepens, the equipment reshapes the ramp making it steeper and longer. This is a very helpful technique for digging below a structure where there is not sufficient overhead clearance for the boom of a big excavator. For example, this is a common scenario when digging a basement under an existing structure or home.
There is much flexibility in the accessories that the skid steer loaders are capable of. For example, the traditional bucket of many of these loaders could be replaced with various accessories which are powered by the loader's hydraulic system, consisting of cement mixers, pallet forks, backhoes, tree spades, sweepers, mowers and snow blades. Some other popular specialized buckets and attachments include wood chipper machines, grapples, tillers, stump grinder rippers, wheel saws, snow blades, trenchers, angle booms and dumping hoppers.
The 3-wheeled front end loader was invented in nineteen fifty seven, by Cyril and Louis Keller in their hometown of Rothsay, Minnesota. The Keller brothers created this equipment to be able to help mechanize the process of cleaning in turkey barns. This particular equipment was light and compact and included a rear caster wheel which allowed it to turn around and maneuver within its own length, enabling it to execute the same work as a conventional front-end loader.
During 1958, the Melroe brothers of Melroe Manufacturing Company in Gwinner, N.D. purchased the rights to the Keller loader. They hired the Keller brothers to continue refining their loader invention. The M-200 Melroe was actually the end result of this partnership. This model was a self-propelled loader which was launched to the market during 1958. The M-200 Melroe featured a a rear caster wheel, a 12.9 HP engine, a 750 lb lift capacity and two independent front drive wheels. By the year 1960, they replaced the caster wheel with a back axle and launched the very first 4 wheel skid steer loader that was called the M-400.
The M-400 shortly became the Melroe Bobcat. Normally the term "Bobcat" is used as a generic term for skid-steer loaders. The M-440 was powered by a 15.5 HP engine and had 1100 lb rated operating capacity. The business continued the skid-steer development into the middle part of the nineteen sixties and launched the M600 loader.
Numerous makers have their own skid-steer loader model just known as Skidsteer within the construction business. Bobcat, Komatsu, Mustang, john Deere, JLG, New Holland, Gehl Company, LiuGong, ASV, Hyundai, JCB and caterpillar are a few for instance, among some.