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Final dirve , Walking reducer and swing reducer used for the Komatsu, Caterpillar, Hitachi, etc...
Planets round the sun wheel, kingpin quality gear steel. Special metal processing and heat treatment, the good part accuracy, high surface hardness (up to Rc58-62), and long service life.
Internal ring gear: the selection of a special alloy steel, according to the special requirements for heat treatment, surface appearance, durable.
Carrier: high quality containing James Bond forgings or castings, multi-channel heat treatment several machining, mechanical performance, high precision.
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