IEC/TR 61400-4-2-ed.1.0

Detail information

Designation: IEC/TR 61400-4-2-ed.1.0

Publication date: 27/02/2026

Pages: 47

Country: International technical standard

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Anotation

CORRECTED VERSION 2026-04 IEC TR 61400-4-2:2026 provides non-binding information regarding the lubricant, lubrication system layout, and performance for wind turbine gearboxes. This document covers oil lubricated gearboxes. Additionally, guidance for selected lubricant parameters as well as for monitoring and maintaining lubricant characteristics is offered. This document provides a common reference for lubrication related matters for wind turbine drive trains. ISO/TR 18792 provides information for lubrication of industrial gearboxes. Some information is similar or identical to this document. This document is useful to wind turbine system and component designers, wind turbine manufacturers, and owners/operators to ensure that lubricant related matters are addressed in the gearbox design and operation phases. This current document covers oil lubricated gearboxes and is developed based on experience with predominantly gearboxes with rolling bearings. It can be applied to gearboxes with plain bearings but possibly does not yet address all aspects of this technology. The document structure is prepared to receive further content related to other components in the wind turbine drivetrain and include additional types of lubricants. This corrected version of IEC TR 61400-4-2:2026 incorporates the following correction: - addition in the foreword that this is a double logo technical report prepared in cooperation with ISO/TC 60