SIWI Maskiner Priorsvej 15 , Silkeborg , 8600 Denmark About Solutions products Publications videos Companies SIWI Maskiner Products SIWI - Top-Cover SIWI - Top-Cover 0 Share SIWI Top-cover allows you to put more grass on the trailer. At the same time it ensures that the grass does not spill, so you get the maximum out of your field and your machines. Customer reviews No reviews were found for SIWI - Top-Cover. Be the first to review! Add your review Publish your review Great! review successfully added!