To quote, we need to know:
Equipment models, M3 capacity, GP ladle type, HD, HDR
- GP = general purpose
- HD = heavy duty
- HDR = heavy duty rock

It is a good option to "do everything" when the application conditions are not well known. Heavy duty buckets excel in dirt, clay and rock mixed, it is recommended for a variety of situations

They are specifically designed to work in harsh rock conditions, have a stronger basic structure, additional wear materials in the form of coatings and hard surfaces and the best of teeth and corners.
To quote, we need to know:
Equipment models, M3 capacity, GP ladle type, HD, HDR