GB/T 20948-2025 Active National standards

GB/T 20948-2025 Tractors for agriculture and forestry—Devices for indirect vision—Technical specification

Publish Date: 2025-10-31 Implement Date: 2026-05-01 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: GB/T 20948-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrical appliances and instruments

ICS Name: Agricultural tractors and traction vehicles

Publish Date: 2025-10-31

Implement Date: 2026-05-01

Pages: 32 pages

Scope

This document specifies the technical requirements, installation requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for indirect vision devices on agricultural and forestry tractors.
This document is applicable to the manufacture of indirect vision devices for agricultural and forestry tractors.

Development Information

Word Count: 50 Thousand words Pages: 32 pages

Replace the following standards

GB/T 20948-2007 Rear-view mirrors requirements for agricultural and forestry tractors

Referenced Standards

GB/T 2423.17-1993 Basic environmental testing procedures for electric and electronic products Test Ka:Salt mist GB/T 2423.17-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ka:Salt mist GB/T 2423.17-2024 Environmental testing—Part 2:Test methods—Test Ka:Salt mist GB/T 6960.1-1995 Tractor terminology—Complete tractor GB/T 6960.1-2007 Tractor terminology—Part 1:Complete tractor GB/T 6960.1-2025 Tractor terminology—Part 1:Complete tractor GB 15084-2022 Motor vehicles—Devices for indirect vision—Requirements of performance and installation GB/T 18655-2025 Vehicles, boats and internal combustion engines—Radio disturbance characteristics—Limits and methods of measurement for the protection of on-board receivers GB/T 19951-2019 Road vehicles—Disturbances test methods for electrical/electronic component from electrostatic discharge GB/T 21437.2-2021 Road vehicles—Test method of electrical disturbances from conduction and coupling—Part 2:Electrical transient conduction along supply lines only GB/T 21437.3-2021 Road vehicles—Test method of electrical disturbances from conduction and coupling—Part 3:Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines GB/T 33014.1-2016 Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 1:General GB/T 33014.2-2016 Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 2:Absorber-lined shielded enclosure GB/T 33014.4-2016 Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 4:Bulk current injection (BCI) ISO 5721-2 ISO 9241-305 ISO 16505

Related Standards

GB/T 5262-1985 Replaced

GB/T 5262-1985 Measuring methods for agricultural machinery testing conditions—general rules

Publish Date: 1985-07-25

GB 7121-1986 Replaced

GB 7121-1986 Agricultural and forestry wheeled tractors—Protective structures—Test method in the strength and acceptance conditions

Publish Date: 1986-12-30

GB 1593.4-1987 Abolished

GB 1593.4-1987 Agricultural wheeled tractors—Three-point linkage—Part 4:Category 0

Publish Date: 1987-01-02

GB/T 13875-1992 Replaced

GB/T 13875-1992 The general specification for walking tractors

Publish Date: 1992-11-14

GB/T 13876-1992 Replaced

GB/T 13876-1992 Agricultural wheeled tractors—Evaluation criteria of whole body vibration of the operator

Publish Date: 1992-11-14

GB/T 13878-1992 Abolished

GB/T 13878-1992 Agricultural tractors and self-propelled machines—Performance of heating and ventilation systems in closed cabs—Method of test

Publish Date: 1992-11-14