A Small Skidder for Thinning: The Holder A55 F Tractor
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).
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Document Type: Journal Article
Affiliations: Research Engineer, Southern Forest Experiment Station, USDA Forest Service, Auburn
Publication date: 1983-08-01
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