Smart tachograph 2: the retrofit deadlines for existing fleets and what the device now records

The obligation did not fall on every vehicle at once; it was staged according to the recording equipment a vehicle already carried. A vehicle in international transport still fitted with an analogue tachograph, or with a digital tachograph that is not "smart", had to be retrofitted to the second-generation smart tachograph by 31 December 2024. A vehicle already carrying a first-generation smart tachograph had until 18 August 2025 — the point at which the Commission regards the heavy-duty retrofit phase as concluded. The deadline that applied to a given vehicle was therefore set not by its age but by which of these three device types it carried, which makes this a per-vehicle check rather than a fleet-wide one.

The retrofit obligation is tied to cross-border operation: it applies to vehicles registered in one Member State and operated in another. A vehicle used only domestically within its Member State of registration falls, for now, outside this particular obligation — so if part of a fleet never crosses a frontier, the retrofit deadline most likely did not apply to those specific vehicles. For vehicles registered new the point never arose as a retrofit at all: since 21 August 2023 every newly registered vehicle in scope has had to carry the second-generation device from the outset. The scope then widened by weight — since 1 July 2026 light commercial vehicles with a maximum permissible mass between 2.5 and 3.5 tonnes engaged in international transport or cabotage must also be equipped, a class that had previously sat outside the tachograph regime.

The second generation is not merely a hardware refresh; its defining additions concern what the device captures without driver input. It records border crossings automatically, rather than relying on the driver to key in the symbol of each country entered, and it logs loading and unloading operations. The Commission also cites an improved capability for software updates and greater resistance to tampering. The practical effect is a record that is harder to curate after the fact: where and when a vehicle crossed a frontier, and where cargo was picked up or set down, are written by the device itself rather than reconstructed from paperwork.

The automatic border-crossing and loading/unloading data exist to make the Mobility Package's market rules checkable — cabotage limits and the posting of drivers in particular. Because these events are logged objectively and continuously, a roadside or premises check can compare the tachograph's account of a vehicle's movements against transport orders and consignment notes. For an operator this raises the premium on internal consistency: administrative records, driver entries and the device's own log should tell the same story, because enforcement authorities increasingly read all three together. Where the accounts diverge, the automatically recorded data is likely to be the hardest of the three to explain away.

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