I'd say the main advantages of Artics over Tractors would be the increased horsepower and the increased speeds on longer haul roads. You can rip down 3 times as fast to improve cylce time/productivity if comparing against an ag tractor. Here's a you-tube video of this same Saudi Arabia contractor self-loading: They had some existing pushers in their fleet to, so for the majority of the time they were pushing to furth
Discuss this in the forum topic Scrapers in Non Western Countries.