standard cranes are largely constructed of standardised component assemblies. they range from single-girder cranes with a 1 ton load capacity to large double-girder cranes with a maximum load capacity of 80 tons. standard......standard cranes are largely constructed of standardised component assemblies. they range from single-girder cranes with a 1 ton load capacity to large double-girder cranes with a maximum load capacity of 80 tons. standardised sub-assemblies enable you to benefit from series manufacturing methods, which guarantee consistently cost-effective and high-quality results. extended standard cranes provide tailored solutions that go far beyond the already wide range of standard designs.