The aforesaid tradition has also been transmitted by Ubaid bin Umair through a different chain of narrators. This version goes: A man asked: Messenger of Allah ﷺ, what is due on camels? He replied in a similar way. This version adds "and to lend its udders. ”
Explanation & Benefits
Shaykh Umar Farooq Saeedi
1661. Commentary: By lending a bucket, what is meant is the well-known vessel used for drawing water. This too is a form of cooperation in goodness, and all such actions are recommended (mustahabb), encouraged (mandub), and are acts of virtue and honor.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 1661