Dual-rod horizontal directional drills (HDDs) like the Vermeer D40x55DR S3 and D23x30DR S3 Navigator® HDDs represent the latest technology for drilling rock. But as with any new technology, many HDD contractors may be wondering: Is a dual-rod machine a better option than a single-rod machine? As you are researching options for boring rock as efficiently … Continue reading “What to consider when choosing between a dual-rod and single-rod HDD”
