Is capable of drilling depth of 4000 m (13,100 ft) with 4-1/2" DP and represents the largest self-propelled truck mounted drilling rig in the lineup. It comes equipped with two C-18 diesel engines to serve as its main power source.
[pdf] CPD, also known as shell and auger drilling, uses a large tripod rig and winch to lift and drop a cutting tool inside a steel casing tube. This case maintains stability and prevents the borehole collapsing from any insecure soil. The cutting tool used is dependent on the type of ground substrate.
[pdf] A complete range of accessories for large diameter drill rigs, including kelly bars, CFA augers, drilling equipment and tools, designed to support the full spectrum of large diameter drilling methodologies in all types of soil.
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