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A Small Skidder for Thinning: The Holder A55 F Tractor

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The growing need for small equipment to thin young plantations prompted a study of a small skidder--the Holder A55 F. Time and production data were collected in a thinning application of the skidder equipped with a Farmi JL-30 cable winch. Cost averaged $15.63 per cunit for a 200-foot skid. The replacement of the winch with a small hydraulic grapple, such as the Power Tine Grapple, was simulated. Costs per unit volume were decreased by adding the grapple ($11.13 per cunit for a 200-foot skid).

Document Type: Journal Article

Affiliations: Research Engineer, Southern Forest Experiment Station, USDA Forest Service, Auburn

Publication date: August 1, 1983

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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