H&L Tooth Company History since 1931:
H&L #HL-6Y0359 ST, R-350 Series Caterpillar Style ripping tooth was engineered and introduced by the Hi-Production Forge Company in 1981. Hi-Pro was a Division of the H&L Tooth Company in Montebello, California during the 1970’s and 80s. Replaces other numbers; 6Y-0352, 6Y-0359, 159-0355 and 159-0356.
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