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D6D Bulldozer Bottom Track Rollers Double Flanged OEM Supported

Roller Body: Forged by 40Mn2 steel, which has good strength and wear - resistance. Center Shaft: Forged by 42CrMo steel, with high strength and good toughness. Heat Treatment Roller Body: The surface heat treatment hardness is HRC 48 - 55, and the heat - treatment depth is 5 - 8 mm. Center Shaft: The surface heat - treatment hardness can…

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D6D Bulldozer Bottom Track Rollers Double Flanged OEM Supported

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