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Fire-prone alternators need support and TLC

By Christopher W. Ferrone The 50-DN alternator has been a workhorse for the motorcoach industry for over 40 years. It started out as a gear-driven, oil-cooled unit and in the late 1970s offered an air- cooled, belt-driven option. The 50-DN in any configuration has been a trusted engine accessory. Nonetheless, since the early 1990s with […]