Optimised oil pumps for MAN engines

With its BF-branded oil pumps, MS Motorservice International GmbH is providing the aftermarket with high-quality spare parts for the MAN engines D20.66 and D26.76. The pumps are in-house developments (item numbers 20 1402 20660, 20 1402 26760 and 20 1402 26761) and stand out with their improved design, which enhances their durability.

When developing the oil pumps, the designers at the spare-parts specialist focused on preventing familiar causes of damage which can occur in the oil pumps originally installed ex works. Their aim was to improve the pumps’ durability. As a result, the pump rotors were redesigned, meaning the number of oil chambers in the internal geometry of the rotors could be reduced from eight to seven. However, their size was increased so that they provide the same technical specifications. Additionally, the drive ring gears were manufactured from nitrided steel, which makes them more resistant to porosity and wear and gives them the necessary strength.

Extensive product testing
Once the development stage was successfully completed, the pumps underwent intensive validation testing on a test rig. They also had to withstand hundreds of hours of operation under full load in an original MAN engine before the engineers were prepared to give the go-ahead for series production. The pumps are available as a complete spare parts kit, including all the required screws and gaskets. They are supplied pre-assembled. Furthermore, every single oil pump is thoroughly tested again on the test rig before delivery.

About Motorservice
The Motorservice Group is the sales organisation for the global aftermarket activities of Rheinmetall Automotive. It is a leading supplier of engine components for the independent aftermarket. With the premium brands Kolbenschmidt, Pierburg, TRW Engine Components and the BF brand, Motorservice offers its customers a wide and comprehensive range of top-quality products from a single source. As a problem solver for trade and repair shops, the company also offers an extensive service package. Motorservice customers benefit from the combined technical know-how of a large international automotive supplier.

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