In the spring of 1990, the 200 series of large Zetor tractors was introduced. The Crystal lineup, which had reached 20 years of age, received a new cab, although its development compared to the previous model was minor. Access to the cab was somewhat easier, and the Grammer seat was on par with Western competitors. The cab came standard with two two-speed fans and a rear window wiper and heater. The tire sizes were larger than before.

There were small changes in the engine performance figures; the torque increase percentage of the 9245 model was as much as 24%, while the other models were content with increases of 12-18%. In Finland, both torque and weight figures were reported more favorably than, for example, in Germany. The smaller models had a synchronized 4-speed basic gearbox, while the 14245 and 16245 models had a 3-speed basic gearbox with 2 synchronized gears. The range gearbox with reverse gear was unsynchronized. The top speeds of the 6-cylinder models were still quite slow, although fast gearboxes were built domestically for those who needed them. The four-wheel-drive clutch was electro-hydraulic, and the front axle was equipped with an automatic dog clutch. Lifting capacities were reported cautiously, as OECD tests measured above 5-ton figures for the six-cylinder models.

When Czechoslovakia split in 1993, the situation at the Martin factory, which ended up in Slovakia, remained uncertain for some time, and imports were interrupted. The 6-cylinder models returned to Finland in 1996 under the ZTS brand. The front dog clutch had been replaced by a friction brake, and standard equipment had been reduced, including the removal of front weights. Production of the 4-cylinder models and the 14245 ended in 1997. The 14245 was replaced by the 12245 Super, which had the earlier 14245 engine but the lighter drivetrain of the 12245.

In 1999, the visually updated UR II C M98 models were introduced.

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