This SAE Standard describes a method to calculate and a test procedure to validate rated lift capacity as presented in commercial literature for pipelayers and tractors or loaders (wheel or crawler), equipped with a hydraulic or mechanically operated sideboom. Rated lift capacity considers hoist mechanism limits, tipping loads, and rope factor. After the lift capacity is validated by resting, a reduction factor is applied to establish the rated lift capacity for the specific pipelayer or sideboom configuration.

Purpose—The purpose of this SAE document is to provide a uniform method to establish the rated lift capacity of a specific pipelayer or sideboom configuration.

Field of Application—This SAE document applies to pipelayers and sidebooms having a rated lift capacity greater than 1000 Kg when used in lifting applications. It includes pipelayers and sidebooms as defined in SAE J1295 and tractors and loaders as defined in SAE J1057.

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