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Extendable Arm on E55 Compact Excavator Provides Additional Reach

Wed February 29, 2012 - National Edition
Construction Equipment Guide

Bobcat has a new extendable arm option for the M-Series E55 compact excavator.

The extendable arm is a telescoping arm that provides the best of both worlds — power and reach. The new extendable arm option provides an additional 30 in. (76 cm) of reach, when fully extended. The new option also is the first extendable arm for compact excavators in this size class that allows the use of the hydraulic clamp and Hydraulic X-Change attachment mounting system.

Ultimate Performance

The new Bobcat extendable arm gives ultimate reach when needed, without having to upsize the machine. The arm can be hydraulically extended and retracted as the need arises. When retracted, the arm delivers similar arm force (tear-out force) as a standard arm. Should the operator need to reach back into the trench to clean out material, or needs to reach farther away from the excavation to dump spoil, the arm can be extended an additional 30 in. Another appealing application for the extendable arm is truck loading. The extendable arm allows the operator to reach to the front or to the far side of a truck to effectively fill the load.

Clamp Capability

The new extendable arm option also allows for the use of a hydraulic clamp. The clamp capability is a solution for contractors wanting to pick up and place material such as rocks, landscaping materials and debris in site preparation applications, according to the manufacturer.

Fingertip Operation

The extendable arm cylinder is operated through a rocker style thumb switch located on the joystick. This allows for fast and simple movements for extending and retracting the arm.

Less Repositioning Required

The extendable arm’s benefits are appealing to those in utility, municipalities and site preparation because it offers the compactness of a standard arm machine with the ability to extend when needed. Working in tight spaces and on concrete and established turf is possible without repositioning the machine. This equals valuable time saved and less re-work required.

In the case of digging utility trenches, the extendable arm ensures a long enough reach to move spoil away from the trench and out of the way, as well as reducing the risk of the trench falling back into itself because of the weight of the nearby spoil. At full extension, the overall length of the arm also simplifies the task of creating flat-bottom trenches for water and sewer utility installations.

Attachment Versatility

The extendable arm maintains the versatility of operating attachments. A retention pin holds the arm in the retracted position, allowing use of up to 16 different attachments. Bobcat’s extendable arm also accommodates the optional Hydraulic X-Change mounting system, which allows for even faster attachment changes.

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