Geoprobe® 66 Series Machines

[Click on the photos below to learn more about each Model.]

The Geoprobe® 66 series soil probing machines are taking direct push capabilities to new depths!
These power-packed direct push machines are equipped with Geoprobe® Systems' powerfully engineered GH60 Hammer, an optional Auger-head attachment, a wide stance for added stability, and extra power for heavy-duty site investigation needs. These machines are especially ideal for Dual Tube soil sampling with 3.25-inch probe rods, setting permanent monitoring wells with Geoprobe® 5 ft. Prepack Screens, geotechnical applications, and logging.

Geoprobe® 66 series machines can be purchased with four different carrier vehicle options (as seen above) for use with various site options and applications. The 6610DT is a track-mounted machine, contact us for truck-mounted options.

"Our 6600 and 6610DT machines let us offer our clients quality soil sampling, groundwater sampling, and well installation ...
in difficult-to-access locations.”
Gary Hill, Walker-Hill Environmental

“We were so impressed after renting a 6610DT that we bought a new one. We’d recommend it to anyone ... except our closest competitors!”
Charley Roberts, Roberts Environmental Drilling, Inc.

“Our 6600 machine is awesome! It amazes me what it will do every time we take it out.”
Tom Payton, Saberprobe

Geoprobe® 66 Series Machines Feature:

Integrated Rotation. Rotation is always available to do the chores most often encountered in direct push work, including augering. 613 ft. lbs of torque lets you drill up to 40 ft. with 4-inch augers. An optional add-on rotary head for hollow stem augering is also available.
GH60 Probing Hammer. This next generation hammer takes you into another realm of driving. Delivers energy directly to the drive cap with no intermediate anvil. Can deliver more than 50,000 pounds of force per blow 32 times per second. Built in rotation gives you 613 ft. lbs of torque for concrete drilling, turning in anchors, or augering.
Stringpot Ready. Electronic depth measurement will be a common part of your work as Direct Image logging grows in usage. The 66 machine puts the stringpot cable in a protected location and keeps you free from worry.
Rod Grip Pull. Originally introduced as an add-on to the GH40 hammer, the rod grip pull system is a labor-saving device that no prober wants to be without. It speeds the rod retrieval process and eliminates the need for a pull cap. Can work with probe rods up to 3.5 inches in diameter. This pulling device is integrated into the body of the GH60, keeping rod pulling as close as possible to the center of force.
True-Pull Cylinder. Gives you 20 tons of pulling power at 2,100 psi, but does not sacrifice speed. You can cycle this cylinder from bottom to top in just 5 seconds! 66-in. stroke allows you to use 5-ft. tools.
Hammer Mounting. Low friction slides allow the GH60 Hammer to absolutely glide up and down, yet designed to withstand the force moments that the 66 machine's incredible pull force generates. This minimizes hammer vibration and play.
Serviceable Control Panel. The front panel removes with just four bolts so adjustments or repairs are easy to access and can be performed while the machine is running.
Removable Foot Extension. Geoprobe® 66 series probing machines literally stand on their own feet! They are able to perform pulling with no structural support from the carrier vehicle. The foot is removable and allows you to put on the foot you need for your terrain and sampling or logging function.