The CME-85 is recognized as a premier powerhouse within the truck-mounted category, meticulously designed for high-output geotechnical, environmental, and deep high-torque drilling applications. Engineered to excel in demanding subsurface conditions, this robust unit provides exceptional mechanical strength, achieving an impressive 14,560 foot-pounds of rotary torque and a substantial 28,275 pounds of hydraulic retract force. It serves as the preferred platform for extensive hollow-stem auger operations, comprehensive soil sampling, and thorough site investigations where inferior rigs may falter. Highlighting this advanced rig on the website unequivocally showcases the team’s superior operational capabilities, affirming to structural engineers and project directors that the firm is equipped to undertake high-profile, intricate industrial drilling projects with impeccable efficiency and precision.
Engine Type: Cummins QSB 6.7L 6-Cylinder Turbocharged Diesel Engine (Tier-4 Final compliant).
Power Output: 164 Horsepower (122 kW).
Displacement: 408 cubic inches.
Built-in Systems: Charge air cooled with heavy-duty cooling capabilities designed to handle high-power loads continuously.
Maximum Spindle Torque: Up to 22,950 foot-pounds (Standard mechanical rotary drive).
Optional High-Speed Configuration: 18,000 foot-pounds max spindle torque.
Rotary Speed: Up to 490 RPM max (Standard) or 620 RPM max (High-speed box).
Transmission: Heavy-duty manual transmission featuring 6 forward speeds and 1 reverse speed, paired with a massive 14-inch clutch.
Drilling Capabilities: Ideal for large-diameter hollow-stem augering (up to 18.5-inch holes), deep mud/air rotary projects, and high-precision bedrock coring.
Subsurface Reach: Designed as a true high-production flagship workhorse, built to drill and set large monitoring wells deep into zones standard rigs can’t penetrate.
Rugged Construction: Frame, right-angle drive, and rotary box components are engineered specifically from the ground up to take heavy mechanical forces without compromising dependability.
Mounting Platforms: Optimized for heavy-duty tandem-axle 6×4 or 6×6 truck setups.
Drill Mast Height: 31 feet (9.5 m) from the slide base up to the crown sheaves.
Chassis Setup: Incorporates massive 71-inch underbody toolboxes on both sides alongside dedicated heavy-duty deck rod racks.
Patented Spindle Brake: Features an emergency mechanical spindle brake system that halts rotation in less than a single revolution via conveniently placed push buttons and multi-directional wobble switches.
Control Station: Driller’s panel features a staggered layout design for critical hydraulic hoist, feed, and sliding base levers to maximize visibility and operator control speed.
Advanced Leveling: Three to four heavy-duty structural leveling jacks featuring up to a 36-inch stroke to keep the platform completely stabilized on challenging terrain.
Retract Force: 48,100 lbs (21,817 kg) of maximum pulling power for heavy strings of tooling.
Down Pressure / Pulldown Force: 28,225 lbs (12,802 kg) of steady vertical down pressure.
Feed Stroke: Twin 75-inch (190.5 cm) stroke vertical drive cylinders aligned directly in-line with the drill spindle.
Travel Rates: Features dual isolated manual and detent controls, achieving a manual rapid retract rate of up to 85 feet per minute and a precise feed rate of 74 feet per minute.
Slide Base Flexibility: Incorporates a 20-inch in-out movement to quickly clear the borehole and a 10-inch sideways movement for seamless tool and casing alignment.
Main Hoist Power: Pullmaster 10,000-pound capacity planetary drive hoist system.
Sampling Options: Optimized for calibrated above-ground 140 lb. automatic hammers for consistent Standard Penetration Test (SPT) geotechnical sampling.
Onboard Fluid Pump (Optional configurations): Fully compatible with high-capacity Moyno (3L8) water/mud injection pumps and large integrated water tanks for active drill string management.
