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This test code describes tests for determining characteristics of hydraulic positive displacement motors as used on off-road self-propelled work machines as referenced in SAE J1116.

Applies to hydraulic cylinders which are components of off-road self-propelled work machines defined in SAE J1116.

Applies to hydraulic cylinders which are components of self-propelled work machines defined in SAE J1116.

This SAE Recommended Practice establishes a uniform guide for defining the degree of external leakage on a hydraulic system. The leakage classifications include dustry and dust-free conditions. The choice of classification is intended to be by visual means rather than with the aid of instruments. It describes the leakage state at the observed time, considering that the state may change over a period of time.