The Zetor Proxima series was redesigned at the beginning of 2017. The base model was designated CL, and the Plus model became GP. The engines retained basic technology wherever possible. By classifying the Proxima as a narrow special tractor, it was possible to sell 3B emission standard tractors also in the EU. The injection pump was mechanical. A particulate filter and exhaust gas recirculation were sufficient for the 3B level. The level 4 models also featured urea injection.

In some markets, the basic transmission with 10+2 speeds was still offered. In most Western countries, the base level CL model had a 12+12 mechanical shuttle transmission. The GP model had 16+16 speeds with a hydraulic quick-shift and mechanical shuttle. The wheelbase of the CL model was extended by about 10 centimeters compared to before. The CL model had a mechanical lifting device, while the GP models offered an optional Bosch electric lifting device. Sensing was done in the traditional way through the pushrod. The noise level was stated as 78 dB, but test results showed noise levels of just over 80 dB.

For 2020, the design was modernized and the heating system was enhanced.

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