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The Kobelco SK200 swing gearbox<\/strong> is a high-demand aftermarket replacement component \u2014 Kobelco has maintained one of the highest machine quality reputations in the 20-tonne class for over three decades, which means a large fleet of well-maintained SK200-class machines remains in service at ages of 10,000\u201318,000 hours. The swing gearbox is a wearable component regardless of how well the rest of the machine is maintained, and Kobelco’s product line spans enough generations (SK200 through SK200-10) that part number confusion is common. This guide clarifies the key specification differences between the SK200-8 and SK200-10 swing gearboxes and provides the data framework for a correct replacement order.<\/p>\n<\/div>\n Kobelco has produced the SK200 series continuously since the early 1990s. The generational progression for swing gearbox replacement purposes follows this sequence: SK200 (original) \u2192 SK200-3 \u2192 SK200-6 \u2192 SK200-8 \u2192 SK200-10. Each generation involves revisions to the swing circuit, but the critical transition for interchangeability is between the SK200-6\/8 platform and the SK200-10, which Kobelco introduced in 2020 with a substantially revised upper structure layout.<\/p>\n The SK200-8 (produced approximately 2008\u20132020) is by far the most common Kobelco machine in the current working fleet across Canada, Australia, and Japan. The SK200-10 (2020 onwards) introduced an updated swing gearbox architecture. Understanding which platform you are working on determines which replacement unit to order.<\/p>\nKobelco SK200 Generations \u2014 Production Timeline<\/h2>\n
SK200-8 vs SK200-10 Swing Gearbox \u2014 Key Specification Differences<\/h2>\n