In 1980 another modernisation of the series UR I – the series “10” became available. The tractors offered higher power at lower fuel consumption and improved transmission with a wider gear range. The color of the paintwork also changed – the wheel rims were white instead of red and the bodywork changed from beige to dark green. In that year there was another major change – a new Zetor logo replaced the simplified depiction of a cannon barrel used until then.