Hydraulics are designed to harness the full horsepower of the excavator and deliver to both the tool and the winch for maximum production.

The larger the rotary, the bigger the Kelly bars, the bigger the bearings, the less wear and tear. Larger diameter also means more kelly bars for greater depth without trading off kelly tube thickness and drive lug area.

Full length top applied crowd force drills straighter holes and simplifies Kelly locking.

The Kelly winch is fitted with a large diameter grooved winch drum big enough to keep all of the wire rope on one layer and a rear roller. With this combination, speed and consistent linepull are achieved along with excellent rope management and long rope life.

Watson's proprietary controlled freefall winch achieves the performance of prior freefall systems with even greater control over the tool while rapidly descending down the hole. Coupled with a 2-SPEED raise function and the EX has unbeatable cycle times.

Integration to the excavator has been carefully managed to limit the overlap of the systems by providing a dedicated valve for the drill. By cleanly separating the two systems, diagnostics, servicing and maintenance of the drill can be distinct from the excavator.

Removing the drill section of the Watson EX130 makes for an easy teardown/setup and less weight on a single load.  New trunnion design allows for automatic alignment of pins and thread assisted pin insertion and removal.

Heavy duty Kelly bars made from high strength alloy steel are standard on Watson rigs. The EX has interchangeable inserts to allow swap out for either square friction or round locking to suit your drilling needs for any given job.  Up to 6 elements available.

WATSON is a custom manufacturer that welcomes the opportunity to customize rigs. EX rigs can be mounted to numerous makes and models of excavators and further modified to fit specific applications requirements like railcar mount, 10' mast heights, zero turn, etc.