QC/T 1022-2026Technical specifications and test methods of reduction gearbox for battery electric vehicles (English PDF)

QC/T 1022-2026 is the English-translated version of 纯电动汽车用减速器总成技术要求及试验方法.

QC/T 1022-2026 sets out the technical requirements and test methods for the reduction gearbox assembly used in battery electric vehicles. The reduction gearbox is the unit that lowers the speed of the drive motor and passes the torque on to the wheels. The document covers the requirements for the assembly and the methods used to test it.

It is used by gearbox and drive system manufacturers, vehicle makers who specify and buy these assemblies, and test laboratories. It is a voluntary standard, as the /T in its code shows. It was approved by the Ministry of Industry and Information Technology, issued on 16 April 2026 and takes effect on 1 November 2026. It replaces QC/T 1022-2015.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.

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