1. Electro-hydraulic proportional control valve.
2. Protected connections to cylinders.
3. Oversize long-stroke high-pressure cylinders.
4. High-pressure distributor for maximum rotation angle.
5. Variable-section high-strength steel frame.
6. Special torsion reinforcements.
7. High-pressure hydraulic hoses.
8. Heat-treated and greased pins and bushings.
9. Oversized mounting base.
10. Anti-drop and load control valves.
11. Access panels for maintenance purposes.