Roberts Maritime Systems LLC

Marine Steering & Electronic Engine Controls Systems       Vintage 4-Stroke Outboard Support
MS555-12211 Mathers ClearCommand
The MS555.12211 is the old ZF Mathers ClearCommand for Caterpillar electric throttle, mechanical shift, and mechanical troll applications. This ClearCommand used Mathers sync rather than Cat sync as on the MS549-11907. However, it can support Caterpillar sync if wired per our instructions.

The replacement for the MS555-12211 is the 92110 ClearCommand. However, you can also use other 9000 processors.

We can help you decide which route is fastest, easiest, most cost effective for you.

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