Cobalt Engineering is a privately owned South African entity that focuses on the Manufacture of standard, specialized and custom built semi trailers for the haulage industry.

The company was founded in 1993 by York Zonneveld who had a vision and creative mind to make difference in the transport industry. Cobalt Eng has gone from strength to strength as we work with our customers to create and design trailers to meet their specific requirements, from bulk handling to abnormal freight.

Cobalt strives to maintain a professional, yet hands- on approach with all our customers from the get go. We have an in house design team who continuously endeavour to improve our products and trailers. The team also work with customers on personalized creations and custom built products.

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Our Factory

The fully comprehensive SABS approved manufacturing facility is based in Chamdor Krugersdorp, with an on-site, highly skilled team to assist with any and all requirements.

Our factory consists of a fully functional and highly skilled ground team equipped with all the necessary equipment and machinery to complete the assembly process efficiently and timeously.

Cobalt Components (Pty) Ltd supplies Cobalt Eng with all the necessary cylinders, hydraulics and all other components needed to complete our trailers. The on-site components factory floor is fitted with welders, a CNC lathe, milling machines and more.

For any other information please give us a call.

“Cobalt Customs… Lower, Wider, Stronger”

Our Services

  • Trailers built to spec
  • Trailer maintenance
  • Damage repairs


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