![Heavy Truck Spec Charts](https://img.forconstructionpros.com/files/base/acbm/fcp/image/2012/11/heavy-truck-spec-charts_10834518.png?auto=format%2Ccompress&q=70&w=250)
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Class 7 and 8 vocational trucks are the workhorses on the jobsite, hauling materials and equipment across a variety of terrain. Here are basic spec charts to help you identify the trucks most applicable to your tasks, plus a few of the available options.