Zetor Crystal

AdBlue (DEF) capacity & service interval

Zetor Crystal uses AdBlue (DEF) fluid with a capacity of 32 liters. The data covers 4 configurations of the model.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

The Zetor Crystal's AdBlue system is a selective catalytic reduction (SCR) setup, which is an emissions control technology that injects diesel exhaust fluid into the exhaust stream to reduce nitrogen oxide output.
All four configurations listed — the Crystal 150, Crystal 160, Crystal HD 150, and Crystal HD 170 — share an identical AdBlue tank capacity of 32 liters under normal use conditions.
A 32-liter AdBlue reservoir is a relatively substantial tank size for agricultural machinery, reflecting the extended field operation cycles typical of tractors in this power class.
The Crystal 150 and Crystal 160, both powered by the Deutz TCD6.1 L6 engine, carry the 2015 introduction year, while the Crystal HD 150 and Crystal HD 170 variants with the same engine family carry a 2018 introduction year.
Despite the difference in power output between the Crystal 150 and Crystal 160, the AdBlue capacity remains uniform at 32 liters across both models, indicating the SCR tank sizing was not differentiated by rated horsepower within the standard Crystal lineup.
The same uniformity extends to the HD variants — the Crystal HD 150 and Crystal HD 170 also share the 32-liter capacity, meaning the HD designation did not result in a revised AdBlue tank specification relative to the standard series.