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Are there two different block cylinder sizes on a zetor 4911. I was just replacing liners on a second block and they wont fit , they are smaller than the previous block i done by about 2 mm i reckon but the pistons are the same diameter. The engine numbers are the same 4701-0121. What are the different sizes ?
No there is not 2 different sizes, engine numbers starting 4701 are 100mm bore fitted to Zetor 4712 & 4718. Engine numbers starting 4901 are 102mm bore fitted to Zetor 4911.