Gravel plant reduces fuel consumption by 60 percent with the SENNEBOGEN 855 E Hybrid
Since early 2025, August Oppermann Kiesgewinnungs- und Vertriebs GmbH has been using a SENNEBOGEN 855 E Hybrid at its Vienenburg gravel plant. The material-handling excavator handles the main gravel extraction operations there and combines high throughput with significantly reduced fuel consumption: up to 200 metric tons of gravel per hour, 1,500 metric tons per day in single-shift operation, and approximately 72 tons less CO2 emissions per year.
Challenge: Extracting gravel in a cost-effective and resource-efficient manner
August Oppermann GmbH is a long-established company with over 150 years of experience in the extraction and processing of natural raw materials. With approximately 30 locations and 120 employees, the company operates in Lower Saxony, Hesse, Thuringia, and Saxony-Anhalt. Its product range includes high-quality construction materials such as sand, gravel, limestone, and greywacke.
At the Vienenburg gravel plant, the central gravel extraction process needed to be high-performance, reliable, and as fuel-efficient as possible. The company needed a machine that could stand securely on loose ground, reach great working depths, and achieve high daily output during continuous operation.
Solution: SENNEBOGEN 855 E Hybrid as the main Material Handler
On January 28, 2025, the new SENNEBOGEN 855 E Hybrid was officially put into operation at the Vienenburg gravel plant. Since then, the material-handling excavator has been handling the main gravel extraction at the site.
Equipped for demanding operation at the gravel plant, the machine features:
- 237 kW diesel engine
- 21 m boom length
- 2.45 m³ bucket
- Crawler undercarriage for stability and mobility
- Working depth of up to 12 m
- Hydraulically extendable up to 3 m Maxcab-operator cab
- Bulletproof glass, air conditioning, sun blinds, Bluetooth, and DAB radio
With these features, the SENNEBOGEN 855 E Hybrid can handle up to 200 tons of gravel per hour and up to 1,500 tons per day in single-shift operation. According to field data, it thus outperforms a comparable cable excavator with a dragline bucket.
Green Hybrid System Reduces Energy Consumption During the Lifting Cycle
A key reason for the low fuel consumption is the SENNEBOGEN Green Hybrid energy recovery system. When the boom is lowered, energy is temporarily stored via an additional hydraulic cylinder and a nitrogen piston accumulator. This energy is then available again for the next lifting operation.
In this way, the system supports the work cycle precisely where the most energy is required in gravel handling: during the repeated lifting and lowering of the work equipment.
24 liters per hour and 72 tons of CO2 savings per year
Despite its high material handling capacity, the SENNEBOGEN 855 E Hybrid’s average fuel consumption is just 24 liters per hour. Compared to the previous model, this represents a reduction of about 60 percent.
Key results at a glance:
- Up to 200 tons of gravel per hour
- Up to 1,500 tons of gravel per day in single-shift operation
- Average fuel consumption of 24 liters per hour
- About 60 percent lower fuel consumption than the previous model
- Approximately 72 tons of CO2 savings per year
- Working depth of up to 12 m for gravel extraction
- Intuitive joystick control requiring no special training
Why is the SENNEBOGEN 855 E Hybrid suitable for gravel extraction?
The crawler undercarriage ensures stability on loose ground while also enabling mobility within the gravel plant. The -long working equipment reaches a working depth of up to 12 m, thereby supporting the efficient dredging of gravel.
For the operator, the hydraulically elevatable Maxcab cab provides a clear view of the work area, material flow, and surroundings. Armored glass enhances safety during operation. Comfort features such as air conditioning, sun blinds, Bluetooth, and DAB radio improve working conditions during daily operations.
A Reliable Partner: Schlüter Baumaschinen Supports the Procurement Process
August Oppermann GmbH was supported by SENNEBOGEN’s service and sales partner, Schlüter Baumaschinen, in the purchase of the new material-handling excavator.
Karsten König, Managing Director of Technology and Mining, views the collaboration positively:
A Reliable Partner: Schlüter Construction Equipment
“We received excellent advice throughout the entire process. A knowledgeable contact person was always there to assist us. Our long-standing partnership with Schlüter is of great importance to us and has proven to be extremely valuable.”
Outlook: Efficient Gravel Extraction with Measurable Fuel Savings
The operation at the Vienenburg gravel plant demonstrates how a backhoe loader tailored to the application handling excavator can combine productivity and resource efficiency. For operators in the gravel extraction industry, it is particularly important that a single machine combines high material handling capacity, a deep working depth, stable footing, and low fuel consumption.
Machine in use
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