Bobcat’s A-SAC system for mini excavators allows operators to adjust the speed of each function individually to suit particular jobs or their skill levels

Published: 6 April 2020 - 7:15 a.m.
By: PMV Staff
Bobcat introduced the company’s original selectable auxiliary control (SAC) system with the launch of the R-Series mini-excavators in 2018. The SAC system enables operators to customize control patterns of auxiliary hydraulic circuits on Bobcat excavators, depending on their set-up preferences for using hydraulic attachments.

The SAC system is operated by using the push buttons conveniently located on top of each of the joysticks in the excavators. Used in combination with the SAC switch on the control panel, the operator can select one of seven pre-set control pattern combinations that allow them to keep their hands on the joysticks when carrying out their work. This leads to higher productivity and saves time and money that would otherwise be lost through having to get used to new working modes or machine customization.

Bobcat’s advanced selectable auxiliary control system (A-SAC) further enhances the original SAC functionality by allowing the operator to adjust the speed of each function. Using the A-SAC system, the operator can easily customize the settings for up to seven different attachments or applications. This improves performance and precision when using specific attachments.

The A-SAC system will be available as an optional feature for current and future Bobcat R-series excavators and is also retrofittable on all Bobcat R-Series excavators from 2-4 tonnes.

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For sorting grapple operations, for example, the operator can choose to have tilt (AUX4) and rotate (AUX2) functions combined on the left hand joystick, with the opening/closing function (AUX1) remaining independent on the right hand joystick. With the A-SAC system, the operator can adjust the speed of each of these functions individually to suit particular jobs or their skill levels. When moving on to a different job with the same attachment, the operator can easily switch to a different setting that they will have predefined with the A-SAC system.

The R-Series mini-excavators from 2-4 tonne comprise five compact excavator models – the E26, E27z, E27, E34 and E35z – offering a best-in-class mix of high visibility, digging forces, stability and smooth controllability of working functions complemented by low weights for easy transportation. The excavators utilize newly developed flexible machine platforms that allow different configurations of models and specifications to suit a wide range of applications and customer needs.


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