The latest Unimog is equipped as a multi-functional working machine with hydrostat drive for maintenance and servicing work
Mercedes-Benz Special Trucks has revealed a versatile two-way vehicle for road and rail applications, including track work, manoeuvring/shunting, cleaning tasks and green space maintenance.
The Unimog U 530 with 220 kW (299 hp) has been equipped for use on rails by Müller Technologie AG, a specialist in two-way vehicles.
It is a versatile multifunction vehicle equipped with a 6-cylinder diesel engine (OM 936 LA) and meets the EURO VIe emissions standard. It has automated manual transmission (EAS) and a permissible gross vehicle weight of 16.5 metric tons.
The entire vehicle is lifted completely and can cover track widths of between 1,000 mm and 1,435 mm. By replacing the track wheels, the Unimog is suitable for both normal and meter-gauge tracks.
The hydraulically driven track axles in accordance with EN 15746 class 9A can be used for minimum track radii of 18.5 m. With the track chassis, the Unimog can reach up to 40 km/h on rails in hydrostatic operation. On roads, the Unimog travels at up to 89 km/h (legal limit).
The Unimog can be equipped with various modules and attachments, including snow blowers, snowploughs, high-pressure street washing bars and mowers. It is suitable for mounting standardised 10-ft modules, such as a platform for front or rear cranes, cable reels for overhead line construction, elevating work platforms, and tool modules, as well as modules for chemical-free weed control using hot water and steam.
Also in the pipeline for the Unimog is a two-way tandem trailer with a swap body system that can be used to transport 10 or 20-ft modules. Examples of such trailer modules are tipper bodies, sewer suction bodies, probing or anchor drilling rigs, contact wire laying units, collection containers for mowing material, large elevating work platforms, and cranes. The Unimog’s hydraulic power output is used to operate these modules.
To make work even more efficient, the Unimog U 530 comes equipped with a pre-installation for radio remote controls.
The U 423 radio-controlled shunting vehicle was built by Unimog ExpertPartner G. Zwiehoff GmbH. Equipped with a Knorr wagon braking system, it enables manoeuvring/shunting with trailer loads of up to 1,000 metric tons. The Unimog torque converter clutch unit enables the necessary high tractive forces and ensures smooth starting without clutch wear. The permanent all-wheel drive provides traction on the rails.
The Unimog U 423 is equipped with a fully synchronized manual transmission with eight forward and eight reverse gears and reaches a maximum speed of 50 km/h on the rails. For a quick journey to the working site, the Unimog drives at its usual speed of up to 89 km/h on the road. Regardless of the surface, a 4-cylinder OM 934 LA diesel engine ensures low fuel consumption within the Euro VIe emissions class frame. In addition to manoeuvring and shunting, its attachment points and mounting areas, as well as its mechanical, electrical and hydraulic interfaces, make it ideal for a wide range of tasks in the maintenance and repair of railway infrastructure. The vehicle is also set up for radio remote control.
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