H&L Tooth Company History since 1931:
This H&L’s style R-515-A-19 ripping shank is designed to replace Caterpillar part numbers 8J-3215 and 9J3139, fitting Models D-5, D-6 and 977. H&L ripper shank uses the H&L 19-Series tooth system. Original ripper shank was engineered and introduced by the H&L Tooth Company in 1975. H&L products meet or exceeds all OEM standards.
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