CARGO-SEMI TRAILER. Why there is a diamond shaped hole on the I beam of the trailer as I marked in the picture below.![]()
SEMI TRAILER
Discussion in 'Flatbed Trucking Forum' started by venodaren velusamy, Feb 17, 2016.
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reduces weight of the trailer. There are a few manufacturers that do this. Transcraft is one of them.
venodaren velusamy Thanks this. -
Any other reasons? like reduce vibration...better suspension?
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Nope no other reason except weight reduction.
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Lightening holes.
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