Heavy Duty Cranes

Cranes Selection Guide As per Indian Standard Specifications 807 and 3177 Cranes have basically divided into four Classes. Class - I Light Duty These are normal maintenance cranes which are not constant use. Cranes for periodical maintenance of plant and machinery come under this category. These type of cranes are required for maximum 1000 working houses per annum. Their speed are slow and the structures are light. Class - II Medium Duty