Sandvik TH551i is a high productivity underground truck, with 51-metric-tonne payload capacity, capable of achieving high speed on inclines, allowing a low cost per hauled tonne. Sandvik TH551i underground truck features a wide range of intelligence integrated technology, such as Sandvik Intelligent Control System, integrated jacking system, onboard weighing system, OptiMine® data collection and Automation Readiness. All Sandvik underground mining trucks are designed to operate fully loaded and at high speeds on long spiral haulage ways with up to 20% gradients.