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The workgroup of a compact hydraulic excavator consists of the boom, dipper or arm, and attachment (e.g. auger, bucket or breaker). It is connected to the front of the excavator's house structure via a swing frame that allows the workgroup to be hydraulically pivoted left or right to achieve offset digging for trenching parallel with the tracks.
There are many variations in the design of quick couplers. The initial divergence is between those that can pick up any of a range of buckets and attachments by clamping onto the mounting pins for the attachment (known as "pin grabbers" or "pin couplers") and those that work only with buckets and attachments designed to suit that quick coupler (known as "dedicated").
In Caterpillar's naming conventions, the last two digits indicate the excavator's weight in metric tonnes. The 345C L is not named after its horsepower. Rather, it is a coincidence that both use the number 345. Caterpillar currently produces the 300 series, including the 345C L.
ISO excavator controls illustration, color of the control matches the moving part. Additionally there is a switch on the right hand joystick to operate attached tools.
The company changed its name to Bucyrus-Erie in 1927 when it merged with the Erie Steam Shovel Company, the country's leading manufacturer of small excavators at that time. [citation needed] In 1930 Bucyrus joined with Ruston & Hornsby Ltd Lincoln, England, forming the Ruston-Bucyrus Ltd firm in England. Ruston & Hornsby Ltd were the pre ...
Depending upon the vehicle, whether an excavator, a back-hoe or a front-end-loader, the auxiliary hydraulic system may vary. Vehicle interface fittings, length from pump to attachment and vehicle control systems require various configurations of an auxiliary hydraulic system.
Gradually Universal Excavators designed by Bucyrus-Erie replaced Ruston & Hornsby designed models. The original range of standardised rope-operated machines included 10RB, 17RB, 19RB, and 33RB and were upgraded through some intermediate models including the 54RB to a main selling range in the 1960s of 22RB, 30RB, 38RB, 61RB, and 71RB.
Kobelco SK330LC excavator with a hydraulic hammer attachment. Kobelco Construction Machinery America, LLC. is a manufacturer of excavators based in Houston, Texas, United States, with a manufacturing plant in Moore, South Carolina and is a subsidiary of Kobe Steel. A former global sales alliance between Kobe Steel and CNH Global ended in ...
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