The D-50 is Diedrich Drill’s premier multipurpose drill rig for the environmental and geotechnical drilling industry. diedrichWith up to 9,100 foot-pounds of spindle torque, it can power through most any job. Add the 2-speed hydrostatic drive, 24-inch wide rubber track system with 16 inches of ground clearance, and you have a versatile drill that has the ability to get you where you need to go and the power to get the job done!