SAE J1305-1987
Two-Block Warning and Limit Systems in Lifting Crane Service

Standard No.

SAE J1305-1987

Release Date

1987

Published By

Society of Automotive Engineers (SAE)

Status

Be replaced

Replace By

SAE J1305-2007

Latest

SAE J1305-2022

Scope

The purpose of this SAE Recommended Practice is to establish the minimum performance requirements of devices which signal and/or automatically prevent two-blocking. This SAE Recommended practice applies to cranes in lifting crane service which are equipped with two-block warning and/or limit systems.

SAE J1305-1987 history

• 2022 SAE J1305-2022 Two-Block Warning, Limit, and Damage Prevention Systems in Lifting Crane Service
• 2007 SAE J1305-2007 Two-Block Warning and Limit Systems in Lifting Crane Service
• 1987 SAE J1305-1987 Two-Block Warning and Limit Systems in Lifting Crane Service