The STR 174 is our tier-4 compliant SPT, wireline rotary core test drill rig. The STR 174 can drill to 1000 feet and offers several drilling speed and torque options thanks to its 4-speed gearbox drill motor. Perfect for SPT soil sampling and rotary wireline core drilling.
The STR 174 includes a mud pump, automatic SPT hammer system, retractable mast, dual winches for wireline drilling, and a dual pipe clamp with breakout.
