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- October 27, 2025
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MAN Engine Model no. 5L 16/24 is a very common installation on vessels and the engine is used as Generator. The Crank Pin diameter of MAN Engine Model no. 5L 16/24 is only 130mm and the bearing width is 56 mm. In other words, it is about 2 inches
This makes the onsite crankshaft repair very difficult due to limited space in between the two webs. Most onsite crankshaft repair companies based in Europe don’t have the equipment and the technology to undertake grinding/ repair of onsite crankshaft grinding MAN 5L16/24. The repair companies always suggest to remove it from the engine block and send it to workshop for crank pin grinding or reject the crankshaft.
We successfully executed the repair of the crankshaft of MAN Engine Model no. 5L 16/24. Details are as mentioned below:
| S. NO | Crankshaft Details | |
| 1 | Engine Make | MAN B&W |
| 2 | Engine Model | 5L 16/24 |
| 3 | Crank pin Diameter Standard | 130 mm |
| 4 | Crankpin Bearing Width | 56 mm |
| 5 | Place of execution of crankshaft repair | Port of Castellon Spain |
Details of Crankshaft repair job executed by RA Power Solutions technicians at a port of Castellon Spain.
- We inspected the damaged crankpin for taper and ovality. The inspection revealed an ovality of 0.49 mm.
- Deep bearing line marks were observed.
- We inspected all remaining parameters, including hardness and MPI crack detection. The team found no abnormalities.
- The crankpin ground to an undersize of 1.0mm.
Supply of Undersize Bearing for MAN Engine Model No. 5L 16/24
It is obvious that whenever we undertake grinding, we must use undersized bearings. In this case of MAN Engine Model no. 5L 16/24, RA Power Solutions arranged and supplied 1.0 mm undersized crankpin bearing to the client.
We maintain a large stock of standard & undersize bearings of crankpin & main journal of popular make & model of engines like Yanmar, Daihatsu, MAK and MAN B&W, etc.
Our technicians oversaw the engine commissioning. They found the performance satisfactory.
For more details on the onsite crankshaft grinding MAN 5L16/24, crank pin grinding machine, please email us at info@rapowersolutions.com or rajshahani@rapowersolutions.com, or Call Us at +91 9582647131 or +91 9810012383.
FAQs:
Limited space between crank webs makes it hard for many companies to mount grinding equipment, most recommend removing the crankshaft.
No, RA Power Solutions carried out the grinding in situ, without removing the crankshaft, and even while the vessel was in service.