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MAN Truck&Bus News


MAN Truck & Bus has launched sales of the first heavy-duty electric truck in its corporate history, marking another milestone in the decarbonization of freight transport.


With the eMobility Center, MAN laid the foundation for the development of the new MAN eTGX and MAN eTGS high-volume electric trucks at its Munich plant around two years ago and invested heavily in preparations for mixed production of diesel and electric trucks. 50 prototypes have since been built, and around 4,000 employees from production and sales have been trained for the switch to electric mobility. At MAN's Nuremberg site, MAN is investing around €100 million in setting up battery production.

Application-modular battery and charging connection range
The new MAN eTGX and MAN eTGS are characterized by high variability in battery configurations. With six battery packs, two of which are installed under the cab and up to four more on the side of the vehicle frame, both offer up to 480 kWh of usable battery capacity for daily ranges of up to 800 kilometres. Developed by MAN specifically for use in commercial vehicles, they will be mass-produced at the Nuremberg plant from 2025. With their NMC cell chemistry and specially developed temperature management, the battery packs offer high energy density with a compact design, long service life and fast charging - even with low residual battery charge and low outside temperatures. This means that the optimum vehicle configuration in terms of range, payload and charging time can be selected for every application characteristic - from supermarket deliveries in the city centre, through regional building materials supply, to long-distance transport in production logistics.

In addition to the CCS standard with up to 375 kW, MAN will be offering the much more powerful megawatt charging standard (MCS) for fast intermediate charging during breaks in driving times right from the start of sales, which will initially enable 750 kW, and in a later expansion stage even more than one megawatt of charging power. And here, too, MAN has thought of as much flexibility as possible for customer use with different charging station locations at the depots. Two CCS connections can be variably combined on the left and right sides behind the front wheel arch or on the right side of the frame at the rear. The MCS connection can also be ordered on the left or right instead of one of the front CCS connections. The MAN battery management system ensures that the batteries are always in optimum operating condition with regard to the charging status of the individual cells, voltage and current monitoring, optimum temperature regulation and insulation monitoring during charging and driving.

The modular battery concept of the MAN eTGX and MAN eTGS offers the option of equipping the vehicle with only three, four or five battery packs instead of six, thus reducing the vehicle weight by up to 2.4 tons for more available payload and lower consumption for partial loads or empty runs.

Optimal positioning of batteries and drive unit
The modular battery architecture makes the MAN eTGX and MAN eTGS particularly body-friendly. Free spaces on the left or right of the frame for high-performance pumps, equipment stowage areas, crane outriggers and similar body components with increased space requirements can be easily realized thanks to the flexible positioning of the batteries. The standard installation of two batteries under the cab, similar to the combustion engine in conventional vehicles, also ensures favourable weight distribution. The positioning of the central drive unit also contributes to this. It sits centrally in the frame and comprises the synchronous electric motor, the inverter responsible for converting battery direct current into alternating current and for motor control, and the 2- or 4-speed transmission used depending on the power design, which drives the drive axles proven in the previous vehicle portfolio via a conventional cardan shaft.

Depending on the application configuration, the electric motor produces 333 hp (254 kW), 449 hp (330 kW) or 544 hp (400 kW) with corresponding maximum torque of 800, 1,150 or 1,250 Newton meters. In the overrun and braking phases, the electric motor can be used by the driver as a generator, depending on usage requirements, and converts the vehicle's kinetic energy back into electrical energy. The batteries are recharged in the process. The maximum possible recuperation power corresponds to the drive power of the electric motor and is thus comparable to that of today's high-performance diesel engine endurance brakes. As with these, the automatic shifting of the transmission supports the best possible recuperation with increased engine speeds.

The combined drive unit sits centrally in the frame of the MAN eTGX and MAN eTGS and comprises the synchronous electric motor, the inverter responsible for converting battery direct current into alternating current and for motor control, and the 2- or 4-speed transmission used for 333 hp (254 kW), 449 hp (330 kW) or 544 hp (400 kW), depending on the power configuration.

Optimum bodybuilder friendliness
The advantages of the electric powertrain body of MAN eTGX and MAN eTGS, e.g. compared with e-axle concepts or similar designs, are, in addition to a very good payload of the rear axle, a high level of ride comfort due to low unsprung masses and good protection of the drive unit, which is securely mounted in the frame, against impacts and vibrations. In addition, a mechanical auxiliary drive can be easily integrated in this installation position to drive body functions such as cooling units or hydraulic pumps, and an electromechanical auxiliary drive can also be easily connected.

The overall combination of modular battery concept and payload- and body-friendly positioning of the drive unit also allows very short wheelbases from 3.75 meters, which makes it possible to combine the semitrailer tractor with all common semitrailer variants within the permissible overall length specifications. The compact design of the batteries is also the reason why MAN can also offer the new eTruck as a volume variant with a very low frame height for transports with an interior height of three meters. The area of application here is primarily production logistics, for example in the automotive industry, which is particularly predestined for a rapid switch from diesel to electric drive due to its application profiles with their standard transports between logistics hubs.

Electrically even better: relaxed driving with a high level of comfort
Drivers of the MAN eTGX and MAN eTGS need have no fear of contact with the new technology. Inside the cabs, they are greeted by the familiar, driver-centric cockpit layout and the familiar operating logic, supplemented by typical e-vehicle operating features such as the settings for optimum use of recuperation, which also covers the continuous brake function. This can be operated both via the familiar steering column lever on the right of the steering wheel and via the selectable One-Pedal-Driving mode. Here, recuperation kicks in with increasing intensity the more the driver reduces the pressure on the accelerator pedal. This allows him to sensitively adjust the driving speed without having to use the service brake and at the same time feed kinetic energy from the vehicle back into the batteries in the form of electricity. The completely newly developed fully digital instrument cluster provides information on the state of charge of the batteries, energy consumption and energy recovery.

In an electric vehicle, energy from the batteries is used not only for pure driving, but also for comfort functions such as heating or cooling the driver's cab. To make this as efficient as possible, the vehicle's overall thermal management system intelligently combines the cooling circuits of the cab heating system, the drive unit and the temperature management of the high-voltage batteries to efficiently use excess heat generated during operation for cab heating and only use additional energy from the batteries for this purpose when necessary. This guarantees good temperature control even under winter conditions in all cab sizes. These are fully in line with the range of today's diesel series, with a wide cab for the MAN TGX and a narrower one for the MAN TGS, each available in three roof height versions.

One modular system, two models: the MAN TGS heavy-duty distribution truck is now also available as an all-electric variant with the same technical performance data and high modularity as the MAN eTGX.

Footage material on the new MAN eTruck is available for download here.

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