http://www.my-hiend.com/leoyeh/2012b/IMG_2034gg.jpg
Rossner and Sohn MOTT turntable
MOTT = Mother of TurnTable
The rotating platter itself weight is 232 kg, and the combined unit weights over 325 kg.
With oil bearing and manual adjustment (48,000€),
The full version with automatic pneumatic adjustment and air bearing (135,000€)