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Potato Harvester Converted To Heavy-Duty Rock Digger
“It works good and was relatively inexpensive to build,” says Leslie Shamburg of Monte Vista, Colo., about the heavy-duty, trailing rock picker he built out of an old Grimme potato harvester and a 4-row Lockwood potato windrower.
    Shamburg built the rock picker 17 years ago for a local potato farmer, who's still using the machine.
    “I owned a machine shop at the time and charged $10,000 in labor to build the rig. The farmer spent $400 to buy the two machines for a total cost of less than $11,000. He would've had to spend at least twice that much at the time for a similar-size commercial rock picker,” says Shamburg.
    The rock picker is equipped with two pto-driven, 30-in. wide hook chain conveyors that ride on top of rollers. Each conveyor section is made up of 60-in. wide sets of chains. The conveyor in front came off the Lockwood windrower and drops dirt and rocks into the second section, which Shamburg built out of new hook chain mounted on top of a channel iron frame. A side-mounted conveyor on the back raises and lowers hydraulically to dump the rocks into either a semi-trailer or a semi-dump truck. It folds vertically for transport.
    Shamburg used only the center two rows of the Lockwood windrower. He hard surfaced a used, flat snowplow truck blade and mounted it on front of the machine in order to handle dirt and rocks.
    “The first conveyor is 5 ft. high at the top. The second section is 9 ft. high and equipped with small-pitched chain, so by the time rocks reach the side conveyor, there’s no dirt,” notes Shamburg.
    Contact: FARM SHOW Followup, Leslie Shamburg, 120 Franklin St., Monte Vista, Colo. 81144 (ph 719-849-0026; shamburgg@gmail.com).
    


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2017 - Volume #41, Issue #6