As tronic the automatic transmission system for heavy trucks was the first of its kind economy safety and comfort of the vehicle increase due to the ful. With twelve gear steps the as tronic mid ensures the efficient progress of trucks with a gross weight of between 12 and 36 tons the automatic transmission system represents dynamic driving with reduced fuel consumption smooth gear changes preserve the clutch and the downstream driveline. Compared to some other transmissions the as tronic is very reliable zf estimate that the overall life span of an as tronic is in excess of 500000 miles graham evans ecodrives technical director praises the transmission system for being so easy to maintain. Book daf zf as tronic transmission operation description of daf zf as tronic transmission operation jul 23 2020 by astrid lindgren last version daf zf as tronic transmission operation as tronic economy safety and comfort of the vehicle increase due to the ful daf zf as tronic transmission operation golden as