New systems for modern road maintenance

| Transport

Road maintenance vehicles have gained additional Driver Assist Systems

The Unimog U 430 utility vehicle features Frontguard Assist, Sideguard Assist and reversing camera

Mercedes-Benz Special Trucks is currently showcasing three vehicle in cooperation with Unimog Expert partners MULAG and BUCHER Municipal.

Specific vehicle systems in focus include a Unimog implement carrier that meets the requirements of the EU legislation on vehicle safety (EU Regulation 2019/2144 General Safety Regulation II, GSR for short), which came into force in July 2024, and can provide more support for the driver and greater safety for road users. The new GSR includes Sideguard Assist, Frontguard Assist, Traffic Sign Assist, a reversing camera and a tyre pressure loss warning system as standard.

In order to provide the occupants with the best possible protection under all circumstances, the cab has additional reinforcements on the cab floor and tubular brackets on the A-pillar. This means that the vehicle complies with the legally prescribed ECE-R29/3 standard for commercial vehicles.

In addition to the new safety assistance systems, there is also the new UNI-TOUCH operating system, which is installed in the Unimog U 430. In future, almost all attachments available for the Unimog can be controlled via the new operating system, which replaces the vehicle’s own control panels and makes operation more ergonomic and intuitive. The centre console has been extensively redesigned, has a slimmer aspect and can be moved lengthwise and crosswise. In addition, controls have been reduced to save space thanks to the option of individually assigning buttons and saving application profiles and recurring sequences. A 10.5 inch (26 cm) touchscreen allows the user to make the right settings for the job at hand. The screen can be rotated and tilted for a flexible viewing angle.

The optional multifunction lever has freely assignable controls and can be plugged into either the preparation on the driver’s seat or the passenger seat. The controls are attached to the seat so the control lever moves automatically with the movements of the swivel seat, allowing the driver to work more ergonomically. Other elements of the new operating system are the start/stop button, which replaces the classic ignition key of the equipment carrier, and the new door control panels.

One example of how the U430 can be used is as a road maintenance mower. The MFK 500 front boom mower from MULAG has a reach of six meters (seven meters with telescope) and can be used on both sides. It can be driven either via the vehicle’s power hydraulics or via the front PTO shaft. The FSG 2000 clearance profile cutter from MULAG can be also be used for wood maintenance and for clearing roads and tracks. The attachment can be fitted to the standardized front mounting plate of the Unimog with little effort.

The Yeti W27 spreader from BUCHER Municipal is optimally designed for the FS-30 spreading method with a dry material volume of 2.7 m³ and a brine volume of 1,280 l. The double screw conveyor system enables a very low hopper design. On the one hand, the driver benefits from better all-round visibility and, on the other, the low centre of gravity contributes to safe driving characteristics.

The MKM 700 combination mower, which consists of a front boom and a verge mower, is used to efficiently process roadside greenery, i.e. areas such as verges, swales, ditches, dividing strips and central reservations. The SB 600 rear boom is installed at the rear of the Unimog, which uses its suction device to dispose of the mowed material.

Jonathan Newell
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