At the end of 1986, the first updates to the TX and TS models were introduced. The 12+12 transmission was replaced with a new 16-speed gearbox, which featured a mechanical high/low range and a mechanical direction reverser. There were fewer small gears than before, but significantly more options in the mid-range. A 40 km/h top speed was available as an optional extra.

Lifting capacities had increased substantially, and with the exception of the smallest model, the 7-ton mark was exceeded. Torque ratings for the MWM engines were slightly improved, but climbing percentages still remained around 15%. Exceptions were two new small six-cylinder engines with climbing percentages of 28% and 25%, respectively: the 100-horsepower 110-14 and the 110-horsepower 120-14. These models replaced the 113-14.

The TS and TX models mainly differed in their cabs and equipment levels. The TS cab had only one door and a fixed rear window. Air conditioning was not available for the TS. TX models featured differential lock automation with memory function. New optional equipment for the TX models included an electric lift device and a driving computer equipped with wheel slip control.

The TZ trim, which became quite rare as a top model, was available on the three largest models. Its biggest innovation was cab suspension based on coil springs and hydraulic shock absorbers. In addition, the TZ came standard with a 40 km/h top speed, electric lift device, and driving computer.

In 1988, oil-bath disc brakes were introduced. Between 1988-89, 70th anniversary special edition models called Série Spéciale were produced in white, featuring standard equipment such as 4 hydraulic valves and a radio. Besides the TS, TX, and TZ, there was also the TE model, which was a cabless version targeted at certain export markets.

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