Unladen
Weight
(UW): |
The weight of the trailer
(or towing vehicle) less removable optional equipment and load
|
| Gross
Weight: |
The total weight
of the trailer (or towing vehicle) and load
Gross Vehicle Weight (GVW) or Gross Weight Mass (GWM) The total
weight of the towing vehicle and its load |
Maximum
Gross Weight
(MGW): |
The maximum
figure set by the manufacturer for the gross weight. This will normally
be the technically permissible maximum based on the carrying capacity
of the tyres, axles, coupling, suspension and chassis but may have
been adjusted downwards for commercial reasons |
Technically
Permissible
Maximum Weight: |
The technically
permissible maximum based on the capacity of the tyres, axles, coupling,
suspension and chassis |
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 load carrying capacity |
Kerb
Weight/
Kerbside Weight |
The weight of
the towing vehicle (without payload), including all fluids required
for operation (95/48/EEC: Vehicle, 90% full tank, 68kg driver and
7kg luggage.) |
Vertical
Static Load/
Nose Load |
The weight imposed
on the towball or eye by the trailer coupling |
| Over-run
Braking System: |
A trailer braking
system operated by the action of the trailer bearing on the towing
vehicle under deceleration |
Power
Operated Braking
System: |
A trailer braking
system which is operated directly by the Action of the foot brake
on the towing vehicle |
| Wheel
Track: |
Horizontal distance
between the centre lines of the wheels across the width of the vehicle
or trailer |
| Wheel
Base: |
Horizontal distance
between the centre lines of the wheels of multi-axle vehicles or
trailers along the length of the vehicle or trailer |
|
|
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