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Millions of kilometers bear our signature
Professional solutions for compaction technology and asphalt construction.Millions of kilometers bear our signature
Professional solutions for compaction technology and asphalt construction.
Boppard, 07 April 2025: All construction projects have one thing in common: they need a sound substrate. That's why single drum rollers play a crucial role in the construction process. At bauma 2025 in Munich, BOMAG will be presenting a concept study of a battery-powered single drum roller for the first time.
With a total weight of seven tons, the electrically powered single drum roller is in the same weight class as the conventionally driven BW 177 DH, and with an eight-hour runtime, it meets the requirements of a full working day. Fitted with a smooth drum, the BW 177 DH e is highly versatile for compaction work on crushed rock, gravel and sand, and can also easily handle gradients of up to 60%. The single drum roller is the ideal choice for inner-city jobs as well as for landscaping, civil engineering and pavement construction.
The machine concept shows a viable alternative for the future: the BW 177 DH e features an electro-mechanical drive. Its high-voltage battery system is permanently integrated into the machine. Thanks to highly efficient and maintenance-free drive components, a full eight-hour working day can be achieved on a single battery charge. In addition, the machine’s drive train supports regenerative braking (recuperation) for both travel and vibration functions, ensuring maximum efficiency.
With the CCS charging connector (the European standard), the roller can be charged at a wallbox or rapidly topped up on site. Since the BW 177 DH e single drum roller produces zero emissions, it is particularly well suited to urban environments. In addition, its low noise level and absence of exhaust gases reduce the impact on both operators and local residents.
The BW 177 DH e concept study significantly reduces servicing and maintenance requirements. Its electro-mechanical drive requires significantly less oil, which results in lower maintenance costs and a reduced environmental impact. Furthermore, its motors, battery, and converter are completely maintenance-free. Initial testing has shown that energy costs can be reduced by up to 75% compared to conventional drives.
The spacious and ergonomic cabin always provides the operator with an optimal overview of the construction site. The control elements are clearly laid out and self-explanatory, and the ergonomic seating position ensures fatigue-free operation, even during extended shifts. The steering wheel can be adjusted to suit any operator. What makes this single drum roller so special: the BW 177 e’s heat pump warms the cab—the most effective way to heat with electricity.
The concept study for the BW 177 DH e single drum roller is part of BOMAG's well-known and proven e-PERFORMANCE portfolio, which BOMAG continues to strengthen in the market. The e-PERFORMANCE range focuses on battery-electric drives that match the performance of comparable conventionally powered machines while also significantly reducing CO2 on construction sites. In addition to light equipment such as tampers and plates, the established portfolio also includes two light tandem roller models (BW 100 AD e/BW 120 AD e).
The BW 177 DH e single drum roller sets new technological standards in terms of the efficiency of electrically powered road-building equipment. In 2025, BOMAG will conduct extensive field testing with a limited number of machines under the most demanding realworld conditions to prepare the technology for series production. The focus will be on ensuring both performance and reliability. Visitors have the chance to experience the single drum roller concept study live at BOMAG’s Bauma exhibition stand FS.1009 (e-PERFORMANCE product area).
Innovative solutions require new approaches: that’s why BOMAG has partnered with the experts at SUNCAR AG to develop the BW 177 DH e single drum roller concept study. The Swiss company is a leader in the electrification of construction machinery.
