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1600012 - Weight
This weight is used as a front wheel weight on the 700 series and a rear wheel weight on the 600 series. Two bolts are used to attach the weights on both tractors. They add approximately 34 lbs. per tire and are to be used to add stability when using heavier rear implements.
Source: Dealer Sales Information, 700 Series Tractors, date unknown, courtesy of Del Allen.