McCormick had tested products from many engine manufacturers in its smaller models. In the X4 series introduced at the end of 2013, the engine was changed from Yanmar to a four-cylinder Deutz engine. Initially, the series included three models that replaced the CX-L series Tier 4i models in demanding markets. The following year, smaller models replacing the C-L series were introduced. One of these was a model with a Perkins engine designed for markets that approved Tier 3. The Deutz engines featured common rail injection, exhaust gas recirculation, and an intercooler.

Despite its Landini heritage, the new model range included many new features, and in many respects, the starting point was a slightly more affordable solution than in previous McCormick models. The completely new transmission had fewer gears than its predecessor. The basic version had 12+12 speeds, and with the creeper gear, 24+24. Power Shuttle versions had a hydraulic direction reverser with potentiometer control. The same package included a push-button clutch and hydraulic PTO engagement. An Eco transmission (40 km/h at 1900 rpm) was also available. Larger models featured a front axle differential lock and front wheel brakes as an option. The cab was a new 4-post design. The roof structure was very low-profile. The range was also available without a cab.

In Landini’s lineup, the range was known as Serie 4. It gradually replaced the Alpine and Technofarm model series.

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