The Putzmeister Mixkret 4 is a robust and reliable underground concrete transport vehicle, engineered to support and enhance the concrete spraying process in mining operations. With a concrete capacity of 5.2 yd³ (4 m³), it strikes the perfect balance between compact size and high-volume output—ideal for medium to large-scale tunneling and mining projects. Powered by a 176 HP (130 kW) diesel engine, it delivers exceptional climbing ability and maneuverability through steep, confined underground environments. Its design ensures a smooth, consistent flow of concrete, reducing downtime and boosting site productivity. Whether used for shotcrete support or general concrete delivery underground, the Mixkret 4 offers reliability, efficiency, and performance tailored to meet the harsh demands of mining infrastructure and underground construction work.