Oshkosh R-Series From its trademark backward-tilting windscreen (designed to ward
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off the sun’s glare, thus keeping the cab cooler and also protecting it from falling debris) and monster bonnet and grille, you can tell that the 6x4 Oshkosh R tractor of the 70s is a bit of a beast. And that is probably why those still at work are kept busy hauling heavy loads, often gaining a new lease of life having been re-powered, like this R1255-1F2 in New Zealand run by Tranzcarr, which gained a 450hp 8V92 Detroit Diesel. Although the US specialist truck-maker (which takes its name from the city in Wisconsin) is arguably better known for building military, fire-fighting and other specialist vehicles, the R-Series heavy-duty 6x4 truck and artic was originally developed as a civilian onroad range powered by Caterpillar engines that could meet the challenges of the Middle East and Africa. Some also ended up in Australia. Why is it in our top 10? Because Biglorryblog readers voted it in! (BW)