Mechanical Geotechnical Drill Rigs

Diedrich mechanical drill rigs deliver dependable performance with proven powertrain design built for durability in the field. Known for their simplicity, reliability, and ease of maintenance, these rigs provide consistent drilling power across a wide range of geotechnical applications.

50+
Years of Experience
80+
Tooling Solutions Available
800+
Drill Rigs Sold
Diedrich D50 Turbo track-mounted drill rig on grass, featuring mechanical drilling system for geotechnical and environmental drilling projects.
Diedrich D50 Turbo track-mounted drill rig on trailer, featuring powerful mechanical drilling system for geotechnical and environmental drilling.
Green D50 Diedrich Drill track-mounted rig with extended mast, designed for soil boring, auger drilling, and subsurface investigation.
Truck-mounted D50 geotechnical drill rig by Diedrich Drill parked outside shop, featuring compact drilling equipment for soil sampling and SPT drilling.

D50 Mechanical Drill Rig

The D50 drill rig is designed to deliver high torque drilling performance in a versatile and heavy-duty platform. Powered by a robust turbo diesel engine and capable of producing up to 8,800 ft-lbs of spindle torque, the D50 provides the strength and reliability needed to handle demanding geotechnical drilling applications.

Built for both power and flexibility, the D50 supports augering, soil sampling, coring, and probing operations with ease. Its adaptable design allows the rig to be mounted on tracks, skid, trailer, or truck configurations, making it a dependable solution for a wide range of drilling environments and project requirements.

Key Specifications

Power Source: John Deere, 4 Cylinder Turbo Diesel, Liquid Cooled 115 HP with Tier 4 Emissions
Maximum Spindle Torque: 8,800 ft. lbs.
Push Force: 22,581 lbs
Retract Force: 14,453 lbs

Maximum Spindle Speed: 1st Gear – 97 RPM, 5th Gear – 780 RPM
Spindle Bore: 3.5 inches

Red D70 Diedrich Drill track-mounted drill rig with horizontal mast, isolated on white background, built for geotechnical drilling and tooling applications.
Track-mounted D70 geotechnical drill rig by Diedrich Drill secured on trailer, designed for soil boring, augering, and subsurface exploration projects.
D70 Diedrich Drill rig mast raised vertically on track-mounted drilling machine, showing components used for geotechnical and environmental drilling.
Compact D70 Diedrich Drill track-mounted rig with vertical mast, engineered for SPT drilling, soil sampling, and confined-access job sites.

D70 Mechanical Drill Rig

The D70 drill rig is engineered to deliver maximum drilling power and performance in a rugged, heavy-duty platform. With up to 11,200 ft-lbs of spindle torque and a powerful turbo diesel engine, the D70 is built to take on the most demanding geotechnical drilling conditions with confidence and efficiency.

Designed for durability and versatility, the D70 excels in augering, soil sampling, coring, and probing applications. Its heavy-duty construction and track-mounted mobility provide stability and performance in challenging terrain, while optional configurations allow the rig to be tailored to meet the needs of a wide range of drilling projects.

Key Specifications

Power Source: John Deere, 4 Cylinder Turbo Diesel, Liquid Cooled 125 HP with Tier 4 Emissions
Maximum Spindle Torque: 11,200 ft. lbs.
Push Force: 32,500 lbs
Retract Force: 21,450 lbs

Maximum Spindle Speed: 1st Gear – 80 RPM, 6th Gear – 640 RPM
Spindle Bore: 3.5 inches

Frequently Asked Questions

Find answers about our rigs, tooling, and support services.

Diedrich Drill rigs are built to operate for decades with proper maintenance. We’ve got equipment in the field that’s been working for over 30 years. That’s the kind of durability we engineer into every rig.

Most new drill rigs are ready for delivery in approximately 90 days from the time an order is finalized. This timeline can vary depending on the level of customization, as specialized features or unique configurations may extend production time. We’ll provide a more precise delivery estimate once your specifications are confirmed.

Yes! We offer various financing options for our drill rigs. Each financing option is tailored to fit the individual needs, financial situation, and goals of our customers. Our team works closely with you to develop a solution that aligns with your budget and drilling requirements. Contact us to discuss available options and find the best fit for your business.

No, we are updating our tooling catalog and will be uploading sections for you to reference with part numbers and dimensions when calling in, but do not have an online store available.

The frequency for tooling replacement depends on several factors including site geology, drilling methods, maintenance routines, and overall usage. Regular tooling inspections and maintenance programs are critical to safe and efficient drilling operations.

Yes! We do not post the “How To” guides or engineering drawings on the website, but you can call and request them from anyone on our sales or service team.

TALK WITH THE DIEDRICH DRILL TEAM

Contact Diedrich Drill to discuss drill rig options, compatible tooling, or service and maintenance needs. Whether you’re planning a purchase or supporting existing equipment, our team is ready to help.