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The word "bulldozer" refers only to a motorized unit fitted with a blade designed for pushing. The word is sometimes used inaccurately for other heavy equipment such as a front-end loader designed for carrying rather than pushing material. The term originally referred only to the blade attachment but is now commonly applied to any crawler ...
John Deere Front end loaders CAD model tracing of a tractor mounted loader mechanism CAD model tracing of a skid loader mechanism. A loader is a heavy equipment machine used in construction to move or load materials such as soil, rock, sand, demolition debris, etc. into or onto another type of machinery (such as a dump truck, conveyor belt, feed-hopper, or railroad car).
The first tracked loaders were built from tracked tractors with custom-built loader buckets. The first loaders were cable-operated like the bulldozers of the era. These tracked loaders lacked the ability to dig in hard ground, but so did the bulldozers of the day. They were mostly used for moving stockpiled material and loading trucks and rail ...
Caterpillar first introduced the RD4 in 1936, [1] as the diesel follow on to the successful CAT 30 gas model. The RD4 originally weighed in at 10,000 pounds (4,500 kg), and used Caterpillar's D4400 engine, an inline four-cylinders, with a 4.25 by 5.50 inches (108 mm × 140 mm) bore and stroke. [ 2 ]
Caterpillar Inc., also known as Cat, is an American construction, mining and other engineering equipment manufacturer. [6] The company is the world's largest manufacturer of construction equipment. [3] [7] [8] In 2018, Caterpillar was ranked number 73 on the Fortune 500 list [9] and number 265 on the Global Fortune 500 list. [10]
The Caterpillar D11 can be distinguished from the Komatsu D475 by the elevated drive sprocket, or "High Drive" system, which results in a triangular, rather than oval, shaped track. The updated version of the Komatsu, the D575A , is the world's largest production bulldozer at 168 short tons (152 t) and 1,150 hp (860 kW). [ 5 ]
Backhoe Loader Cat 420E A JCB 3CX backhoe loader A JCB backhoe loader performing work in India. A backhoe loader, also called a loader backhoe, loader excavator, tractor excavator, [1] digger or colloquially shortened to backhoe within the industry, is a heavy equipment vehicle that consists of a tractor-like unit fitted with a loader-style shovel/bucket on the front and a backhoe on the back.
The name Caterpillar came from a soldier during the tests on the Hornsby crawler, "trials began at Aldershot in July 1907. The soldiers immediately christened the 70bhp No.2 machine the 'caterpillar'." [25] Holt adopted that name for his "crawler" tractors. Holt began moving from steam to gasoline-powered designs, and in 1908 brought out the 40 ...