T/UNP 638-2025 Active Group standards

T/UNP 638-2025 Heavy-duty vehicle flagship power engine

Publish Date: 2025-04-30 Implement Date: 2025-04-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/UNP 638-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Mining equipment comprehensive

Publish Date: 2025-04-30

Implement Date: 2025-04-30

Scope

Main technical content: This standard specifies the technical requirements, test methods, inspection rules, and marking, packaging, transportation, storage, etc. of flagship power engines for heavy-duty vehicles. Technical requirements include: performance parameters such as rated power ≥ 450kW; structural requirements such as inline six-cylinder engines; start-up performance under different temperatures; requirements for smoke, durability, etc.; materials and manufacturing processes of key components; noise, cooling system, etc. performance; maintainability, safety and cleanliness, environmental adaptability, and intelligent functions, etc. The test methods involve various performance tests, and the inspection rules include batch division, factory and type inspections, etc. The standard also specifies requirements for marking and packaging.