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four blades for easier digging and strength
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all four
blades will enter the soil at the same time, automatically; the blade
with the least resistance lowers first
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curved blades follow the natural growth of the root ball
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the ball
contains up to 20% less soil and more roots than a conventional ball
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30-50% lighter than comparable machines
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more compact than comparable machines
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larger
diggers have telescopic cylinders, reducing the working height
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use a
smaller loader to dig larger trees (i.e.. a New Holland 785 can be used to
dig 46" root balls)
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25 years of continual development on the Optimal 850
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precise readjustment of spades
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equipped
with electro-hydraulic controls