After seeing the new 7822DT machine for the first time (the day prior to the machine’s unveiling at the Salina Open House on April 16th, 2009), Victor Rotonda, Master Driller and Manager of the Geoprobe® Mid-Atlantic Region, summed up his impressions in three words, “I love it!  Just by looking at it you can tell it’s more robust.  It’s something else!” he said. And Victor’s sentiments were echoed by Geoprobe® customers who attended the Open House event.  Some thought the hammer improvements were the best feature.  Others liked the redesigned operator-friendly control panel with auxiliary hydraulics thumb-dial controls.  Still others liked the faster operating speed of the winch, while others liked the machine’s oscillation feature.  And then there were those who thought the Geoprobe® Drop Rack System was a plus for their machine operators, a feature that was previously available only with the 8040DT machine.

“Many of the new offerings on the 7822DT have added significant geotechnical capabilities to this machine, and have greatly improved its direct push capabilities,” Victor added. “I know the customers in the Mid-Atlantic region are going to be excited about this machine.”So what makes this machine so ‘robust’, as Victor said, and so improved?

As expected, the critical aspects of the 7822DT were given much thought and care during the design process.  The heart of all Geoprobe® direct push machines is the percussion hammer, and the Model 7822DT is no different.  Geoprobe® engineers designed, manufactured, and assembled an all new Geoprobe® GH64 percussion hammer specifically for this new machine.  The hammer has two new significant features: a Modular Percussion Power Cell and integrated two-speed, bi-directional rotation.  The two-speed, bi-directional feature is another industry first, and allows users to perform numerous rotational applications, including surface pavement coring and in some conditions subsurface rock coring, with a rotation speed of up to 550 rpm.

For customers that want more torque for rotary work, like hollow stem augering, an all new GA4000 augerhead offers more torque and is integrated onto a totally redesigned swing-out mounting system.  The robust power source for these key components initially originates from the 56 hp Kubota diesel engine that’s Tier 3 compliant, and is directly coupled to a high-capacity 40 gpm hydraulic pump.  The proven, durable 20-series track carrier components were again used as the means for moving the machine around field sites at nearly 5 miles per hour.  All these critical components are affixed to a new dynamic frame with full-length side attachment rails making it easy for 7822DT owners to configure accessories to meet their unique field application challenges.

“If the improvements stopped here, most operators that we hear from would be satisfied,” said Mark Abker, Lead Geoprobe® Engineer for the 7822DT project.  “But of course we didn’t stop there.”  The 7822DT machine foundation became a springboard for an entirely new set of features.  “We packed as many new features on this machine as we could,” Mark added, “still keeping it small and compact, the way our customers like our machines."

More 7822DT Features, Specs, and Photos at www.geoprobe.com.

Call Geoprobe® Customer Service (1-800-436-7762) to find out more about this product!