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  • June 26, 2026

K Series Gearbox Lubrication Guide – Oil Type, Capacity & Schedule


K series hard tooth surface reducer,Recommended Oil:

  • Standard: ISO VG 220 / VG 320 industrial gear oil

  • Low temperature (<-10°C): Synthetic gear oil

Oil Capacity (approximate, varies by mounting position):

ModelOil Capacity (L)
K37-K470.5 – 1.5
K57-K772.0 – 5.0
K87-K1076.0 – 12.0
K127-K18715.0 – 40.0

Change Interval:
First change: after 500 hours

Regular: every 2,500 hours or annually


K series speed reduce


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