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chassis type change

Changing the vehicle chassis to a different type.

Vehicle Characteristics
Changing a Tipper Truck or Concrete Mixer Truck to Truck Tractor without wheelbase change
Method of Inspection
  • Static inspection
  • Rolling road test
  • AUC graphs 1B and 3

Vehicle Characteristics
Changing a Freight Carrier to a Truck Tractor with wheelbase change
Method of Inspection
  • Static inspection
  • Rolling road test
  • AUC graph 1B and 3B
  • Dynamic test verification type O only if outside OEM’s envelope

Vehicle Characteristics
Changing a Truck Tractor to a Tipper Truck or Concrete Mixer Truck without wheelbase change
Method of Inspection
  • Static inspection
  • Rolling road test
  • AUC graphs 1B and 2 (if towing a trailer)

Vehicle Characteristics
Changing a Truck Tractor to a Freight Carrier with wheelbase change
Method of Inspection
  • Static inspection
  • Rolling road test
  • AUC graphs 1B and 2 (if towing a trailer)
  • Dynamic test verification type O only if wheelbase is shortened)

Notes:
Changing a vehicle chassis from Freight Carrier/Tipper to Truck tractor or Vice Versa:

No dynamic testing required if:
  • There is no change in the wheelbase.
    New wheelbase dimension is within the range approved by the OEM for the source vehicle if made longer or shorter (manufacturer’s envelope). 
    The converter has demonstrated compliance on different wheelbases of the same model through separate test reports. 
    The system components must be the same as those fitted by the manufacturer (other than extending wiring and brake piping).

Dynamic testing required if:
  • New wheelbase dimension (longer or shorter) is outside the range approved by the manufacturer or if no manufacturer’s envelope is available. 
    Dynamic tests of the type O in unladen condition only should be considered.



Please keep in mind that the regulator may at any time apply their own interpretation before issuing a NaTIS certificate.