- Redaelli Tecna S.p.A.
- 488.366 tonne(s)/metric ton(s)
- Italy (Trieste)
The heaviest cable weighs 488.366 metric tonnes (1,076,662.73 lb) and was manufactured by Redaelli Tecna S.p.A. (Italy) in Trieste, Italy, weighed on 30 October 2017.
This is the third time that Redaelli Tecna S.p.A. have achieved the record. Their previous attempt weighed 437.957 metric tonnes (965,530 lb).