SOOSAN AMERICA reported the updated JD-1400E-II Rock Commander will have a Tier-IV final engine, improved efficiency and increased power. The unit will feature a larger cabin and adjustable controls for greater comfort and efficiency, the company reported.

The drill will feature a Cummins engine, a GHH-Rand air compressor, Kawasaki hydraulic pumps, a Doosan undercarriage, and a YH-135 drifter. It has no onboard computers and is described by the company as a simple system to operate, maintain and troubleshoot.

The company also announced an upgraded JD-800E-II rig that features an enclosed cabin, heating and air conditioning, and a Tier IV final engine. The 800 series is offered with a range of options.