South Africa's transport system was speculated to be stagnated from May 10 as 50,000 Transnet workers planned to launch a strike over their salary dispute.

"This will be the biggest strike in the history of South Africa," posted Chris de Vos, general secretary of the United Transport and Allied Trade Union (Utatu) at a press conference in Johannesburg on Friday.

Utatu is reported be a part of the SA Transport and Allied Workers' Union (Satawu) in the national strike against parastatal Transnet.

The strike is expected to hamper all freight rail, shipping and harbours, and fuel and coal line services.

However, Metrorail employees are revealed not to be a part of the strike yet, they were in a similar wage battle, through the same unions, and it was possible that they could still be a part of the SA Airways would not pose any effect.

"It will affect everything," said Satawu general secretary Zenzo Mahlangu.

He added that if the strike was further extended, it might result in a potential fuel menace in the country.

The unions revealed that they seek to get a 15 percent wage hike for their members across the board. Transnet was only offering rise of a mere eight percent.