rail:wagon 

technical and payload data about a (motor) car or locomotive

http://wiki.railml.org/index.php?title=RS:wagon

Element Information

Model

rail:passenger{0,1} , rail:goods{0,1} , rail:auxiliarySupplySystem* , rail:driversCab* , rail:rackTraction{0,1} , rail:couplers{0,1} , rail:trainClearanceGauge*
Children: rail:auxiliarySupplySystem, rail:couplers, rail:driversCab, rail:goods, rail:passenger, rail:rackTraction, rail:trainClearanceGauge

Attributes

QName Type Fixed Default Use Inheritable Annotation
additionalRotationMass rail:tWeightTons optional 
additional mass for increased running resistance by rotating masses of non-motored axles
auxiliaryPowerConsumption rail:tPowerWatt optional 
continuous power consumption in Watt of auxiliaries within one car
bearingType rail:tBearingType optional 
describes the type of the bearing used for calculating vehicle resistance
headShape rail:tHeadShapeType optional 
basic definition of head shape in order to derive air resistance of the vehicle
headSurface rail:tAreaSquareMeter optional 
cross-section area of vehicle front in order to derive air resistance of the vehicle
kinematicEnvelope rail:tElementDescription optional 
name of car body kinematic envelope as reference
rotationMassFactor xs:decimal optional 
factor for increased running resistance by rotating masses of non-motored axles

Source 

<xs:element name="wagon" type="rail:eWagon" minOccurs="0">
  <xs:annotation>
    <xs:documentation>technical and payload data about a (motor) car or locomotive</xs:documentation>
    <xs:documentation source="http://wiki.railml.org/index.php?title=RS:wagon"/>
  </xs:annotation>
</xs:element>

Sample