FR180X-IV is mounted on H-type expandable base carrier specially designed for drill rig to ensure strength, easy transportation and machine’s stability.
Crawler length 5140mm (16.9ft)
Wheel-base 4270mm (14ft)
Crawler Width Min./Max 2960/4200mm (9.8ft / 13.8ft)
Track shoes width 700 mm (2.3ft)
Supporting weight drum amount 2×9each
Ground pressure 108.7 KPa
Total weight in operation 58000kg（bare machine weight：55000kg）