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9.
Brief description: Non-standard coupling ball 50
9.1.
Type and class of device or component: A50-X
9.2.
Characteristic values:
9.2.1. Primary values:
D: 9.71 kN
U...............tonnes
Alternative values:
D............. kN
U...............tonnes
9.3.
For Class A mechanical coupling devices or components, including towing brackets:
Vehicle manufacturer's maximum permissible vehicle mass: 2280 kg
Distribution of maximum permissible vehicle mass between the axles: 1156 / 1166 kg
Vehicle manufacturer's maximum permissible towable trailer mass: 1750 kg
Vehicle manufacturer's maximum permissible static mass on coupling ball: 70 kg
Maximum mass of the vehicle, with bodywork, in running order, including coolant, oils, fuel,
tools and spare wheel (if supplied) but not including driver: 1730 kg
Loading condition under which the tow ball height of a mechanical coupling device fitted to
category M
vehicles is to be measured -see paragraph 2 of annex 7, appendix 1: 4 x 68 kg
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(first and second row) plus 4 x 7 kg luggage load
9.4.
For class B coupling heads, is the coupling head intended to be fitted to an unbraked O
YES/NO Not applicable
10.
Instructions for the attachment of the coupling device or component type to the vehicle and
photographs or drawings of the mounting points given by the vehicle manufacturer: See
manufacturers document
11.
Information on the fitting of any special reinforcing brackets or plates or spacing components
necessary for the attachment of the coupling device or component: Not applicable
12.
Additional information where the use of the coupling device or component is restricted to
special types of vehicles - see annex 5, paragraph 3.4. Not applicable
13.
For Class K hook type couplings, details of the drawbar eyes suitable for use with the particular
hook type. Not applicable
EAQ307666
2/17
Dc................ kN
S: 70 kg
V.................. kN
Dc................ kN
S................ kg
V.................. kN
An executive agency of the Department for Transport
July 2012 Revision 4
E11 55R-018359 Extension 01
trailer
1
09-Sep-14
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