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GK Machine, Inc.
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  2. Companies
  3. GK Machine, Inc.
  4. Products
  5. Model H7 - Tree Digger

Model H7 - Tree Digger

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GK`s H7 Bare Root Digger has proven itself year after year, in field after field as the backbone of GK`s product line and the premier bare root tree and shrub digger in the industry. This workhorse gets the job done fast and efficiently, and it`s extremely easy to operate and maintain.

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  • With a very low center of gravity, the H7 maneuvers well in all kinds of terrain and ground conditions.
  • The H7 has the power needed to make tough digging jobs easy - it puts out just over 440 lbs. of torque at 1,500 RPM.
  • Designed to straddle rows, the H7 has “on-the-go” track width adjustment while the tunnel offers a full 9’ of vertical clearance.

The H7 travels at 6 miles per hour, covers an area of 12’ 6” and will pull the ½” thick sold steel U-blade for a complete length of 21’ 6” – all while carrying 80 gallons of diesel, driver and blade. The variable speed oscillating shaker arm efficiently removes soil and debris from the root structure for a fast and efficient operation.

Specifications
  • Engine: John Deere 4-cylinder 173 HP
  • Transmission: Sundstrand Series 90 - Two hydrostatic pumps
  • Final Drives: 2-speed planetary gearbox, 0-6 MPH
  • Auxiliary Hydraulics: Flow compensated with full-load sensing • 25 GPM and 2500 PSI
  • Undercarriage: Caterpillar D3 | 16” single grouser pads | Rock guards
  • U-Blade: Variable speed oscillating shaker arms | 22” – 32” wide blade, ½” thick, 24” max depth | Hydraulic u-blade tilts control
  • Dimensions and Weights: Track center width of 45” – 92” | Machine width of 72” – 119” | Machine height of 10’ 8” to top of stack | Machine length of 12’ 6” without u-blade/shaker arm | Machine length of 21’ 6” with u-blade/shaker arm | Machine weight of 20,000 pounds | Tunnel clearance of 110” | Track length of 102” center to center | Track width of 16” | Ground pressure of 6 PSI | Fuel capacity of 80 gallons

Hydraulic Options:

  • 3-point hitch (left and right)
  • Width adjustment for widening tunnel
  • Auxillary hydraulics to run chopper or tiller

Implements:

  • Nose cones
  • 4’ bed digger/shaker
  • ¾” thick digger blade
  • Extended track grouser
  • Chopper/tiller

Other:

  • Lexan windows
  • Pull-arm toolbar
  • Heater
  • Light kit