Details of floor mounted jib crane prices. Different tons of floor mounted jib crane have different prices. For small jib crane, such as 1 ton, 2 ton, 3 ton, 5 ton, the price is not high, this kind of crane can be called light duty jib crane. ForPerfect crane, also called heavy duty jib crane, such as 20 ton, 30 ton, 50 ton, the price is higher.