TB/T 30014.4-2026Technical requirements for the maintenance of railway passenger cars - Part 4: Performance restorative maintenance (English PDF)

TB/T 30014.4-2026 is the English-translated version of 铁路客车维修技术要求 第4部分：性能恢复性维修.

TB/T 30014.4-2026 covers performance restorative maintenance of railway passenger cars. As one part of a series on passenger car maintenance, it sets out the technical requirements for maintenance work aimed at restoring the performance of the car and its systems.

It is used by railway operators, passenger car repair plants and depots, and by the engineers and inspectors who plan, carry out and accept such maintenance. The standard is voluntary, as the code carries the /T mark. It was approved by the National Railway Administration, with the Railway Industry Operation Safety Standardization Technical Centralized Unit in charge of its technical content. It was issued on 4 February 2026 and takes effect on 1 September 2026. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 57 pages — is available in the English PDF.

TB/T 30014.3-2026|TB/T 30014.2-2026|TB/T 30014.1-2026

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