Tack company offers a complete range of single flange , double flange and heavy-duty rollers for both excavators and bulldozers from 0.8 to 100 tons. We produce all bottom rollers and top rollers based on OEM specifications. The production is finished on high-tech CNC machinery with precision tools, high-grade seals and bronze bushings . All the rollers are designed, engineered and produced in-house in our owned factory under rigid quality control measures to ensure product performance and reliability.