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Now the T444E is a strong engine for a bus that doesent have Really BIG mountains to climb Or pull a lot of weight Greater than 74 pass bus. Mine has a 210Hp Model it has great power and doesent Vibrate as much. Around here the DTA 360 DT 408 and the DTA 466 were Very popular..
EBUS (serial buses) In building automation, eBUS (energy bus) is a 2-wire digital serial data-bus communication interface used in heating and solar energy appliances, by mainly German manufacturers. It was originally proposed by the Karl Dungs company, and has since been adopted by several other manufacturers.