Guides and Diagrams
Trailer guides and diagrams that you may find useful are below in addition to some helpful links.
Common Trailer and Towing Terminology
Unladen weight the weight of the trailer or towing vehicle less removable optional equipment, accessories and load.
Gross weight the total combined weight of the trailer or towing vehicle and load.
Gross Vehicle Weight (GVW) or Gross Vehicle Mass (GVM) the total combined weight of a towing vehicle and its load.
Maximum Gross Weight the maximum figure set by the manufacturer for the gross weight. This will usually be the technically permissible maximum based on the load carrying capacity of the tyres, axles, coupling, suspension and chassis components, but it may be adjusted downwards for commercial reasons.
Technically Permissible Maximum Weight the technically permissible maximum based on the carrying capacity of the tyres, axles, coupling, suspension and chassis components.
Maximum Authorised Mass (MAM ) as maximum gross weight above. The latest EC term as used in the driver licensing regulations.
Gross Train Weight (GTW ) the maximum allowable combined weight (combined MAM) of the towing vehicle and trailer as set by the towing vehicle manufacturer.
Payload the difference between the gross weight of the trailer and its unladen weight: i.e., the maximum load carrying capacity.
Kerb weight (kerbside weight) the weight of the towing vehicle (without payload) including all fluids required for operation.
Wheelbase distance between the centrelines of the wheels of multi-axle vehicles or trailers down the length of the vehicle.
Feel free to Contact us if you have any questions regarding our trailer guides and diagrams, either over the phone or feel free to come and visit us. We are based in Berkshire just off junction 7 of the M4.