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This standard applied to hydraulically operated backhoes (as defined in SAE J 1116).

This standard describes a uniform "over end" and "full swing arc" lifting capacity rating for backhoes. It is based on the actual capacity of the machine to lift and support a load under stable conditions. Rated life capacities will be specified for both the boom and the dipperstick and will be shown on a lift capacity chart Figure 1.

The purpose of this standard is to provide a uniform method of rating hydraulic backhoe lift capacities.