The capacity of large bucket is about 6 CBM or 7.8 Cu.yd. The teeth are same as excavator PC1250.
The big bucket for EX1800 or EX1900 is 86.6" wide (the container is 90" wide), 86.6" wide 7.8 cu.yd., 20000 lbs., which is to be loaded into a 20ft container.    Sample pricing - $56,000.00
Large severe duty rock bucket for PC1250, 86.6" wide, 18000 lbs, 7.8 yard bucket.    Sample pricing - $45,000.00
NOTE: These buckets can be custom built to your required specifications or for heavy duty applications.