1970s Max Universal 36DD 36" Double Disk Sander Grinder

1970s Max Universal 36DD 36" Double Disk Sander Grinder, Overall Exterior Condition: Excellent, Engine Model: 5k215ak214, Engine HP: 10 3-phase Best estimate of year is mid 1970s. Unit is in excellent condition for it's age. Owner states that it operates as it should. Tables are 16" x 46" and elevates to 1" below center. Tilts 30 degrees up and 45 degrees down. Discs are 36" cast aluminum. completely machined and electronically balanced. 3/4" thick on rim and 1" thick at hub.