When Landini revamped its model range in 1978, three 6-cylinder models were introduced. The smallest, called the 10000, was similar to the smaller 550 model series. The larger 12500 and 14500 models, however, differed more from these. They featured a more basic-looking cab, whereas the 10000 had the same cab familiar from the MF 600 series as the smaller models. These cabs were Landini's first flat-floor cabs mounted on rubber mounts. In the larger models, the gear levers were placed on the dashboard. The transmission was the same fully synchronized 12+4 without a creep gear as in the smaller models. Later, creep gears were also added. The brakes on the 6-cylinder models were oil-immersed.

Initially, the front axle had an automatic differential lock. Like MF, in later models this changed to a hydraulically operated lock. Draft sensing was a feature of the 6-cylinder models, distinguishing them from the 4-cylinder models.

In the mid-1980s, the top of Landini's model range was introduced: the 16000, which was a blue-painted MF 2725. Correspondingly, the Landini 10000 was sold as the MF 1014, the 12500 as the MF 1114, and the 14500 as the 1134.

The 12500 was replaced by the 13000, which was based on the 10000. The 14500 also received the same basic technology, and in 1989, the same cab as well, but the model designation remained unchanged. At the same time, the 10000 received slightly more power and became the 10000 S mk-II.

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