The Pit Viper 235 is completely new mid-range blasthole rig from Atlas Copco Construction Mining. The rig is available in low pressure rotary or high pressure hammer drilling configurations. The PV-235 is available with three tower sizes for a 30-, 35- or 40-ft. clean hole drilling, and also can drill up to 30 degree angle holes, in 5 degree increments. The standard, single-speed, direct-drive rotary head comes in two options: 0-100 rpm/8,000 ft.-lb. or 0-200 rpm/4,000 ft.-lb. The power pack is available with the most current Caterpillar or Cummins engines rated from 540 to 800 hp.