I know this is getting picky but that is a vacuum brake system for the trailer as opposed to air (pressure) brakes to go with the vacuum boosted system of the heavier CMPs. It does make sense to use the same power source for both. Also, I'm not aware of any CMP equipped with air (pressure) brakes except some trailers (usually towed by larger vehicles than CMP 3 tonners). As always, happy to learn more - even if it proves me wrong....
Last edited by Grant Bowker; 18-05-20 at 19:03.
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