Ingersoll-Rand 690
 The ECM-690 is a self-contained hydraulic drill capable of producing from 3-1/2 to 5-1/2 in. (89 to 140 mm) diameter holes up to 84 ft. (25.6 m) deep. A 420 CFM @ 150 psig (11.9 m3/min @ 10.3 kg/cm2) IR rotary screw compressor provides superior hole cleaning. A rod changer/carousel holds six 12 ft. (3.7 m) rods and a 14 ft. (4.3 m) starter rod. Intelsense? II drilling automatics optimize hole straightness, accessory life, and performance. An extended guide is available to fit a 24 ft. (7.3 m) starter rod.
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