suspension mounting system

Suspension mounting system for Combo series stringing machines:

Which stringing machines have this suspension mounting system?

Vendor Stringing Machine Models
Alpha Sports: Blu-DC Plus, Jupiter, Revolution, Saturn, and Orbitor
Eagnas: Combo 900Le, Combo 900, Combo 3800, Smart 707, Smart 808, Smart 850, Smart 909, Smart 3000, Smart 3000T, Smart 4000, Smart 5000, Smart 6000, and Smart 6000T