GB/T 25980-2010: Road vehicles -- Coupling balls for caravans and light trailers -- Dimensions

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Scope

This standard specifies the dimensions of the mechanical connection device,
BETWEEN the caravans and the light trailer AND the tractor, using the coupling ball
towing. The clear space, around the coupling ball, shall be able to guarantee the
operational safety, when connecting and disconnecting the tractor, AND when
connecting and disconnecting the mechanical device.
This standard is applicable to the coupling balls for the connection of categories M and
N vehicles to caravans and light-duty trailers (categories O1, O2); it is not applicable to
the connection between special vehicles and special trailers.

Basic Data

Standard ID	GB/T 25980-2010 (GB/T25980-2010)
Description (Translated English)	Road vehicles -- Coupling balls for caravans and light trailers -- Dimensions
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	T72
Classification of International Standard	43.080.10
Word Count Estimation	9,992
Date of Issue	1/10/2011
Date of Implementation	5/1/2011
Quoted Standard	GB/T 1031; GB/T 3730.2-1996; GB 11551-2003; GB 11566; GB/T 25988; ECE R55-2001
Adopted Standard	ISO 1103-2007, IDT
Regulation (derived from)	Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Standard specifies the size of the connection using the ball sojourn Mechanical connections between towing and light trailer and tractor trailers. Space ball around the net connection should be able to meet and connect with the tractor was torn off and the mechanical device is connected and operational safety disengaged when. This Standard is applicable to M class, N class cars and caravans and light trailers (O (1), O (2) class) connecting balls connected, do not apply to special purpose vehicles and special trailer connection.