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Cat updates its dozers

 Caterpillar has updated its D9T bulldozer.

The machinery manufacturer has included new features for the dozers which includes enhanced operator safety, performance, and increased productivity.

Powered by a Cat C18 engine with ACERT technology, rated at 306kW, and with an operating weight of close to 50 000 kilograms, the D9T packs a punch.

The new cab is designed for greater comfort and safety, with a low effort electronic dozer control handler allowing the operator to control all of the machine’s functions with a single hand.

It also has automatic climate control, as well as seats with heat and ventilation.

For added safety, the new Dynamic Inclination Monitor provides readouts of the tractor’s pitch angle and side-to-side slope. In addition, a new operator-presence system locks out the power train and hydraulic system to avoid unintentional machine movement when the operator is entering or leaving the cab, assisted by redesigned steps, handles and guardrails. 

Increased visibility is another feature of the dozer, with mirrors on the lift cylinders and a ROPS mounts camera system with a seven inch colour monitor near the rear view mirror.

In cab sound levels have been cut from 79 to 77 dB.

A dash display, high current 12 volt connector, IPOD/MP3 wiring and optional window shades have also been added.

An optional Automatic Ripper Control simplifies the operator’s job by keeping the drawbar load constant and minimising track slip.

Automated blade assist uses blade pitch presets for easier positioning.

Optional Autocarry systems automatically adjusts blade load during the carry segment.

The Autocarry feature can be integrated with the optional Cat Grade Control system, which automatically guides the blade to achieve design plan contours. Also available for the D9T is the Terrain for Grading system that can receive electronic site plans in real time to direct cut and fill operations.

New for the D9T is the Enhanced Auto Shift (EAS) system, which provides operator-selectable forward and reverse speeds similar to an automatic transmission.

Cooling system refinements include a new radiator featuring an aluminium bar-plate design that is durable and corrosion-resistant.

A new air-to-oil hydraulic cooler results in lower hydraulic-oil temperatures for extended component life, and the hydraulically driven, variable-speed demand fan provides cooling while using less power, reducing fuel consumption and lowering sound levels.

 An "OK-to-Start" system electronically checks powertrain, engine coolant and engine oil systems. The ground-level service center in the left fender allows quick access to various controls and information sources commonly used on a daily basis.

The VIMS 3G (Vital Information Management System), which can use both cellular and satellite networks,  monitors the D9T health and working status in real time and provides machine history for off-board analysis.

 

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