![]() While the 600hp MP10 has from the outset offered the choice of manual 18-speed and automated 12-speed shifters, the 685 comes with mDrive only. Mack’s local team, however, was not about to take any chances with durability and build quality.Īfter all, it’s a sprawling bunk targeting the big end of the business where many long and often dusty days away from home are the norm, namely roadtrain, livestock and heavy haulage.Ĭonsequently, it’s a sleeper which was subjected to two years of real world work and engineering evaluation before Mack ticked the ‘go’ box. Still, it’s bigger and better appointed than any bulldog bunk ever offered in this country and it’s no great surprise to learn that it’s actually derived from a premium Mack linehaul sleeper in the US. There’s a huge height difference and in the middle of the night when Nature calls, it’s easy to forget and knock the noggin and knock it hard if you’re in a hurry. Sure, you still have the issue of no standing room between the seats but, with this bunk, it’s only one stooped step from the driver’s pew to a place where even big blokes have the space to stand bolt upright, stretch out, get changed, lay down, hang clothes, get something cool out of the fridge, and generally unwind after hours in the chair.Ī word of warning though: take care when moving from the bunk to the cab. The reason for this drive is the new bunk and there’s no question that even at first glance, Mack’s new 60-inch sleeper is quick to impress. Since then, I’ve driven a number of Super-Liners but the Port Augusta exercise was the last time at the helm of a Super-Liner in roadtrain configuration. With the Super-Liner grossing around 80 tonnes and the Titan triple at a modest 110 tonnes or thereabouts, the performance of both trucks was nothing less than outstanding at the time. One a Super-Liner pulling roadtrain doubles, the other a Titan towing triples. ![]() Late in 2011, an invitation arrived to travel to Port Augusta to drive a couple of Macks up a stretch of the Stuart Highway. This article has been republished courtesy of Trade Trucks.
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