This truck was not "replaced" by the Mack Quantum, as both were sold alongside each other, the former being a premium heavy duty truck, the latter the smaller lighter less expensive model. Its popularity waned quickly in Australia due to electrical problems and parts availability issues and it was removed from Mack Australia's lineup after only 5 years.
The Mack Quantum did not replace this truck; both were sold together. The former was an upscale heavy-duty vehicle, while the latter was a smaller, less expensive model. Its popularity in Australia waned due to electrical problems and part availability issues, and it was removed from the Mack Australia lineup after five years.