Horsepower: A unit's power capability that equals raising 550-foot-pounds per second, or 33,000-foot-pounds per minute. A machine's horsepower identifies the maximum power amount it's able to sustain. It is the most common reading for engine types, including skid steers. Certain manufacturers may choose also to include engine power, though the definition is operationally identical.
Enhanced high-flow auxiliary hydraulics package. To get the most from your pound-per-square inch flow, enhanced high-flow packages can be installed into your skid steer to boost their output to 4,000 psi. They maintain similar gallon-per-minute rates as their high-flow counterparts, and are required for attachments that need the maximum hydraulic pressure allotment to run.
Rated operating capacity for the 272D is 3,200 lbs., and for the 299D it is 2,975 lbs. at 35 percent of tipping load. Capacity for the 299D rated at 50 percent of tipping load is 4,250 lbs. An optional counterweight kit increases rated operating capacity of these machines to 3,450 lbs. and 4,500 lbs., respectively. Operating weights are 8,404 lbs. and 10,866 lbs., respectively.
A skid-steer loader can sometimes be used in place of a large excavator by digging a hole from the inside. The skid loader first digs a ramp leading to the edge of the desired excavation. It then uses the ramp to carry material out of the hole. The skid loader reshapes the ramp making it steeper and longer as the excavation deepens. This method is particularly useful for digging under a structure where overhead clearance does not allow for the boom of a large excavator, such as digging a basement under an existing house. Several companies make backhoe attachments for skid-steers. These are more effective for digging in a small area than the method above and can work in the same environments. Other applications may consist of transporting raw material around a job site, or assisting in the rough grading process.
How does Caterpillar® compare to the competition? If you are considering purchasing a skid steer loader, you want to be knowledgeable about your options. Cat skid steer loaders are compact machines with the power and versatility to tackle big jobs. High performance power train, advanced hydraulic systems and traditional Cat reliability improve your productivity in the toughest working conditions.
Buckets: What is a skid steer without its bucket? The two go hand-in-hand across the most basic of skid-steer applications — and through the most complex. Engineered buckets attach seamlessly to their skid steers and aid in digging, loading and transferring of carried materials. Buckets can also come with a range of specialized teeth, heights, widths and bucket capacities to further compound their digging and transportation abilities, made to handle various materials like snow, rock, grapple buckets and combinations.
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The Melroe brothers, of Melroe Manufacturing Company in Gwinner, North Dakota, purchased the rights to the Keller loader in 1958 and hired the Kellers to continue refining their invention. As a result of this partnership, the M-200 Melroe self-propelled loader was introduced at the end of 1958. It featured two independent front-drive wheels and a rear caster wheel, a 12.9 hp (9.6 kW) engine and a 750-pound (340 kg) lift capacity. Two years later they replaced the caster wheel with a rear axle and introduced the M-400, the first four-wheel, true skid-steer loader.[2] The M-440 was powered by a 15.5 hp (11.6 kW) engine and had an 1,100-pound (500 kg) rated operating capacity. Skid-steer development continued into the mid-1960s with the M600 loader.