{"id":1,"date":"2025-05-22T14:49:47","date_gmt":"2025-05-22T14:49:47","guid":{"rendered":"http:\/\/tricountydrilling.116ccff.netsolhost.com\/?p=1"},"modified":"2025-06-26T10:44:09","modified_gmt":"2025-06-26T17:44:09","slug":"tri-county-drilling-inc","status":"publish","type":"post","link":"https:\/\/tcdrilling.com\/?p=1","title":{"rendered":"Diedrich D-120 Truck Mounted Drill Rig"},"content":{"rendered":"\n



<\/a>The\u00a0Diedrich D-120<\/strong>\u00a0is a versatile and powerful\u00a0truck-mounted drill rig<\/strong>\u00a0commonly used for\u00a0geotechnical<\/strong>,\u00a0environmental<\/strong>, and\u00a0exploration drilling<\/strong>. It’s known for its rugged build, high torque, and adaptability to various drilling methods.
Here are the general\u00a0specifications<\/strong>\u00a0and features of the\u00a0Diedrich D-120 (truck-mounted)<\/strong>:

\ud83d\udd27\u00a0Drilling Capabilities:<\/strong>
Torque:<\/strong>\u00a021,550 ft-lbs<\/strong>\u00a0
Rotary Speed:<\/strong>\u00a0Multiple speed ranges; 0\u2013756 RPM<\/strong>
Drilling Methods:<\/strong>
Hollow Stem Auger
Mud Rotary
Air Rotary
Coring (Diamond, NWL, HWL)
SPT Sampling
Wireline Rock Coring

\ud83d\udede\u00a0Mounting & Mobility:<\/strong>
Mounted on a\u00a0heavy-duty truck chassis<\/strong>\u00a0
Hydraulic leveling jacks<\/strong>


\u2699\ufe0f\u00a0Rig Components:<\/strong>
Feed System:<\/strong>
Hydraulic vertical feed
Stroke length: ~72 in
Pullback: Up to\u00a030,000 lbs<\/strong>
Pulldown: ~18,000 lbs
Winches: Wireline, main line and 2 auxiliary winches (hoist capacities vary)

\ud83d\udee2\ufe0f\u00a0Power & Hydraulics:<\/strong>
Powered by a\u00a0deck engine<\/strong>\u00a0(John Deere)
Hydraulic system drives rotary, feed, and winches
Onboard\u00a0mud pump<\/strong>

\ud83d\udccf\u00a0Dimensions & Weight (Approximate):<\/strong>
Height (mast up):<\/strong>\u00a0~35 ft
Transport height (mast down):<\/strong>\u00a012 ft
Length:<\/strong>\u00a030 ft overall
Weight:<\/strong>\u00a035,000 lbs

\ud83d\udee0\ufe0f\u00a0Equipment:<\/strong>
SPT auto hammer
Wireline winch
Tool boxes and rod racks
Breakout wrenches
Water or mud pump (e.g., Moyno or centrifugal)
Automatic SPT hammer

\ud83e\uddf0 Typical Applications:
Geotechnical investigations
Environmental site assessments
Soil and rock sampling
Monitoring well installation
<\/p>\n","protected":false},"excerpt":{"rendered":"

The\u00a0Diedrich D-120\u00a0is a versatile and powerful\u00a0truck-mounted drill rig\u00a0commonly used for\u00a0geotechnical,\u00a0environmental, and\u00a0exploration drilling. It’s known for its rugged build, high torque, and adaptability to various drilling methods.Here are the general\u00a0specifications\u00a0and features of the\u00a0Diedrich D-120 (truck-mounted): \ud83d\udd27\u00a0Drilling Capabilities:Torque:\u00a021,550 ft-lbs\u00a0Rotary Speed:\u00a0Multiple speed ranges; 0\u2013756 RPMDrilling Methods:Hollow Stem AugerMud RotaryAir RotaryCoring (Diamond, NWL, HWL)SPT SamplingWireline Rock Coring \ud83d\udede\u00a0Mounting & […]<\/p>\n","protected":false},"author":1,"featured_media":19,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"\nDiedrich D-120 Truck Mounted Drill Rig - Tri-County Drilling, Inc<\/title>\n<meta name=\"description\" content=\"Geotechnical and Environmental Drilling. 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