12.00-20, 12.00R20: Carriage : The carriage can be heightening Steel thickness of Carriage floor optional 8,10,12,14,16mm Steel thickness of Carriage side optional 4,6,8,10,12,14mm Ordinary steel,optional Manganese plate-Mn16,high strength steel: Carriage lifting mode: 4800-5600mm middle lift F type and strengthening T type.
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