Dipper arm on a digger are out of standard arms. In recent years, the speed of replacement is very fast. On the basis of the standard arm, several modified dipper arm on a digger are designed:
1. Long Reach Boom:suitable for long-distance construction
2. High Reach Arm Demolition:suitable for long-distance demolition
3. Piling Boom and Arm:used for positioning pile driving
4. Telescopic Arm:used for deep excavation operations
5. Rock Boom:used for mining area crushing
6. Traditional Digger Rock Boom:used for mining area crushing
7. Short Boom:used for excavation in small spaces