Call Paul Willinger 414-303-3604 The D10x15 S3 Navigator® horizontal directional drill is a reliable,economical solution for small service installation -- built to help increase your crew's productivity so you can go from one job to the next faster. With significant gains in horsepower and speed and a reduction in noise,the D10x15 S3 can help you put more product in the ground in a shorter amount of time.