Innovative Powertrain Solutions Making Construction Machinery
More Efficient

From excavators and dump trucks to tractors, Bosch offers a variety of solutions for construction and agricultural machinery that significantly reduce both operating costs and emissions in off-road applications. The company is now expanding its proven portfolio with innovative solutions like connected exhaust-gas treatment. Bosch presented its range of products last April at Bauma, in Munich, Germany.

On large construction sites in particular, the location and current running performance of construction machinery are often unclear. The Bosch Asset Tracing Solution, or Bosch TRACI, provides this data in real time, helping operators plan vehicle deployment as efficiently as possible. The IoT-based connectivity solution enables further improvements in the efficiency and utilization of the vehicle fleet. The Bosch solution is comprised of the highly robust sensor box, the cloud-based analysis software, and a range of digital services. It is easy to retrofit in existing vehicles.

The off-road segment is also seeing increasing diversity and complexity in the powertrain. Legal provisions require better exhaust-gas treatment systems, while new drive solutions like natural gas, electric motor or fuel cell are increasingly being used alongside diesel and gasoline. With the vehicle control unit (VCU), Bosch offers an extremely flexible, high-performance control unit that coordinates all components in the powertrain. By partially taking on some of their tasks, it enables simplification and standardization of the subordinate control units closer to the components. The VCU can also connect the powertrain with other domains like infotainment, telematics, or driveline. This makes it easier to introduce cross-domain functions.

AdBlue injection systems, combined with SCR catalytic converters (selective catalytic reduction), ensure comprehensive exhaust-gas treatment. These systems help vehicle manufacturers make sure that their construction machinery comply with statutory exhaust-gas standards up to EPA Tier 4 final or EU Stage V. The Denoxtronic 2.2 evo metering system is a more robust version of Bosch’s Denoxtronic 2.2. Bosch designed the highly compact version Denoxtronic 6-5 for smaller construction machinery. The 6-HD variant features a metering rate of up to 15 kg/h, making it particularly suitable for large engines.

Bosch’s new IoT application Web-based Validation will shorten development times in future. The cloud-based function constantly transfers powertrain data from the connected vehicles. This information allows Bosch and the customer to adjust exhaust-gas treatment systems and their components more quickly and precisely to various applications.

Bosch offers injection systems for a range of diesel engines in both the on and off-highway sectors, from cars and medium-duty to heavy-duty and large engines. In addition, the portfolio includes engine control and a range of sensors, as well as exhaust-gas treatment systems. The electronic engine control unit takes care of engine management. Together with the sensors, it forms the central control unit for the injection system. The sensors deliver precise and up-to-date information from the engine and exhaust tract, forming the basis for all functions from mixture generation to exhaust-gas treatment.

Source: Robert Bosch GmbH

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