ZA replaced the ZTU or ZT does that help? Z had 186 engine with 2 main bearings, ZA had 206 with 3 main bearings fora start
 
The early tractor during its production run was known as just the Z. When it was replaced by the upgraded ZA, they began referring to the older one as the ZT.
 

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Back
Top