Source: https://www.carrellielevatoricagliari.com/prodotti/carrelli-elevatori-yale-controbilanciati-e-da-interno/transpallet?task=callelement&format=raw&item_id=103&element=86904752-6c6f-4e89-a2c3-ec0a6eed671c&method=download&args[0]=images/download/Marcegaglia/bi-bloc%20drive-in.pdf