What is the total diameter of a 4L-28 "V" drive belt?

The correct choice reflects the total diameter of a 4L-28 "V" drive belt. The designation '4L-28' indicates specific features of the belt. The number '28' specifically refers to the length of the belt in inches when it is fully stretched, while the '4' signifies the width classification. However, in the context of 'V' drive belts, the total diameter typically referenced for this type is directly tied to the numeric component of the designation.

This means that when discussing or measuring the belt, the '28' is most relevant as it corresponds to a total diameter dimension in the context of how it's utilized in applications. Therefore, comprehending the meaning behind the '4L-28' designation is essential in identifying the correct size parameters, including the effective diameter for usage purposes in machinery or engine components.