Basic Components:

• BOGEY_FRONT
  • BOGEY_FRONT_WHEEL_{wheel_id}
• BOGEY_REAR
  • BOGEY_REAR_WHEEL_{wheel_id}

Walscharets Sides:

• {SIDE}={LEFT,RIGHT}

Mallet Walscharets:

• {SIDE}={FRONT_LEFT,FRONT_RIGHT, REAR_LEFT,REAR_RIGHT}

Walscharets Components:
See http://trumpetb.net/loco/wdiagram.html for details

• BASIC
  • {SIDE}_SIDE_ROD (required)
  • {SIDE}_MAIN_ROD (required)
  • {SIDE}_PISTON_ROD (required)
  • {SIDE}_UNION_LINK (optional)
  • {SIDE}_COMBINATION_LEVER (optional)
  • {SIDE}_VALVE_STEM (optional)
  • {SIDE}_RADIUS_BAR (optional)
  • {SIDE}_EXPANSION_LINK (optional)
  • {SIDE}_ECCENTRIC_ROD (optional)
  • {SIDE}_ECCENTRIC_CRANK (optional)
  • {SIDE}_REVERSING_ARM (optional)
  • {SIDE}_LIFTING_LINK (optional)
  • {SIDE}_REACH_ROD (optional)

Fixed by https://github.com/cam72cam/ImmersiveRailroading/blob/master/models/Animation_info.md