We are Shaver Brothers a family owned and operated business. These buckets are factory built heavier duty than OEM. It has 65mm pin holes, 8 7/8" between the ears, approx 16 " on centers, fits Cat 311, 312 314, but will fit others. Do your own research and measure your bucket and or machine. Will not be responsible if it doesn't fit your machine, i take plenty of pictures with measurements. Call for details 1- eight hundred 564 72O6. Please take a minute to check out my other auctions. Visit my about me page.