For the year 2014, the Same Iron3 was replaced with the updated Audax ST model. The engine had been changed to a newer 6.1-liter Deutz with urea injection. It had clearly more torque than before. The Powershift transmission was called SMARTtonic, and the number of quick shifts was 12. The field range extended up to 19 km/h, and on roads, it could reach 60 km/h at 1750 RPM, if legislation allowed it. Below these, there was a separate crawling range with 9 gears. The automatic shifting covered all gears. The hydraulics remained the same, with an adjustable displacement pump providing 113 l/min output and a lifting capacity of 10,000 kg. The cab was updated to MaxiVision, the same as in the D-F TTV 7000 and Lamborghini Mach VRT. The cab suspension was pneumatic. An optional accessory was the 12.8″ i-Monitor.

For 2015, the same tractor was also introduced in the Lamborghini lineup under the name Mach ST. Compared to the Mach VRT equipped with a continuously variable transmission, the ST had a significantly longer wheelbase and more modest hydraulics.

The history of these models was short-lived. In 2016, the Same Audax was discontinued, leaving only models equipped with continuously variable transmissions in Lamborghini's range.

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