16-LITRES AND 630HP


Under the wide front end is the same power unit that you’ll find in the A40 and A45 – it’s a D16J derivative, with six cylinders packing 16-litre capacity, and is equipped with EU Stage-IV emissions paraphernalia that needs feeding with AdBlue.


In the A60H, this version of the D16 produces a healthy 630hp at 1,800rpm and 2,960Nm of torque at just 1,050rpm. At this point, the importance of advanced tyre technology should not be underestimated. Surprisingly though, this is a modest power rating compared to that of Volvo’s FH16-750 road truck, where you can find 750hp and 3,550Nm from the D16K derivative. So why no more for the A60H? Martyn Brawn explains, “With regard to heat management and duty cycles, where trucks like the FH16 get good airflow through the powertrain while running on open roads, articulated haulers spend their days in heat and dust, and at much lower forward speeds. It is very unlikely to reach its 55kph maximum speed on UK sites, which puts more emphasis on efficient cooling. As the A60H nudges 100 tonnes when fully laden, we have to be sure we can comfortably dissipate all the energy created throughout the


drivetrain, hydraulics and braking systems,” he says. “At this power level, we can.” The nine-speed powershift that features in the A40G has


been exchanged for an Allison transmission offering fewer gears – only six forward and two reverse. To make better use of each of them, there is a gear hold function that will allow the operator to make better use of the engine’s grunt without


CONTINUED OVERLEAF a THE VOICE MAGAZINE No30 2017 9


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