... and low operating cost AdvantagesWith rugged chassis, reliable drive line, and excellent performance, Yishan T120AX crawler bulldozer ... with forced cutting, which is suitable for earthwork operations. The drive rollers, track rollers, guide rollers, and carrier rollers ... Spur gear, two-stage reduction, and splash lubrication final drive ·Suspension, semi-rigid, and compensating beam travel systemT120AX ...