Case Study: YANMAR 6EY26L

Overview

A client wanted to evaluate the performance of IOW Group’s MP200 centrifugal filter against the existing FM200 technology installed on their three YANMAR 6EY26L Auxiliary Engines. To carry out the comparison, Auxiliary Engine 3 (AE3) was upgraded with the MP200, allowing the client to monitor performance following installation while also benchmarking the results against Auxiliary Engines 1 and 2 (AE1 & AE2), which continued operating with the existing centrifuge technology. Prior to the upgrade, AE3 achieved an average sludge removal rate of 9.4g/hr, with approximately 940 g of sludge collected during each service interval.

additional engine information for a YANMAR 6EY26L with MP200 installed

Installation

Upgrading the oil filtration system from a FM200 to an IOW MP200 centrifuge was an easy and straightforward process, thanks to its bolt-on, bolt-off design. Paired with the CentriClean SCU0002 monitoring system, operators are also able to remotely monitor the performance of the MP200, a capability not available with other centrifugal filters. This allows engineers to verify that the unit is operating correctly, track performance, and receive service notifications when maintenance is required, helping to support uninterrupted and efficient operations.

Before and after of MP200 installation with sludge results

Results

As mentioned in the overview, prior to installation of the MP200, AE3’s average sludge removal rate was approximately 9.4g/hr with the FM200. After installing IOW Group’s MP200, the average sludge removal rate increased to 18.2g/hr, with the average sludge collection rising to 1,522g per service interval. This represents a 94% improvement in contaminant removal.


When compared with the vessel’s other Auxiliary Engines (AE1 & AE2), the MP200-equipped AE3 achieved:

  • Approximately 70% higher sludge removal rates than AE1.
  • Approximately 100% higher sludge removal rates than AE2.


The elevated sludge removal observed immediately after installation indicates that the MP200 rapidly removed contamination that had previously remained circulating within the lubrication system.

Conclusions

The data provides strong evidence that the MP200 delivers a substantial improvement in oil cleanliness and contaminant removal performance. The results demonstrate significantly enhanced sludge removal capability when compared with both the previous AE3 performance and the vessel’s existing AE1 & AE2 installations, supporting the effectiveness of the MP200 in maintaining cleaner lubrication oil and more efficient operations.

Case Study: STX MAN 18V28/32S

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Overview: YANMAR 8N21L-GV A client carried out a trial upgrade on an auxiliary engine lubrication system, replacing an existing GF-2 type centrifugal filter with an MP090 unit supplied by IOW Group. The system operates with a 1,200-litre oil sump capacity, using Shell Argina S240 lubricating oil while running on VLSFO 380 CST fuel. The objective of the trial was to assess whether the MP090 could deliver improved contaminant removal compared with the GF-2, while also introducing remote performance monitoring that had not previously been available
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In today’s industrial landscape, where uptime is everything, Chief Engineers are facing growing pressure to keep vital equipment running efficiently while reducing maintenance costs. From marine and power generation to heavy transport and mining, reliability is the cornerstone of performance - and that’s exactly where IOW Group’s Centrifugal Oil Filter is making its mark.
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