Komatsu Forklift trucks, LPG/petrol - DX20 series, -7/-8

Automatic transmission fluid capacity & service interval

Komatsu Forklift trucks, LPG/petrol - DX20 series, -7/-8 utilize automatic transmission fluid with a capacity of 20 liters. Service intervals include checks at 1 month or 200 hours, and changes at 1 month or 200 hours and 6 months or 1200 hours. The data covers 4 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
  • FG70-7, Nissan TB42 (40001 ->)
  • Powershift
  • Use: Normal
  • Capacity 20 liter
  • Check 1 months/ 200 hours
  • Change 6 months/ 1200 hours
  • Code: Torqflow
  • FG70-7, Nissan TB42 (40001 ->)
  • Powershift
  • Use: Initial service
  • Capacity 20 liter
  • Change 1 months/ 200 hours
  • Code: Torqflow
  • FG70-8, Nissan TB45E (44801 ->)
  • Powershift
  • Use: Normal
  • Capacity 20 liter
  • Check 1 months/ 200 hours
  • Change 6 months/ 1200 hours
  • Code: Torqflow
  • FG70-8, Nissan TB45E (44801 ->)
  • Powershift
  • Use: Initial service
  • Capacity 20 liter
  • Change 1 months/ 200 hours
  • Code: Torqflow

Additional Notes

  • The Komatsu FG70-7 (Nissan TB42, serial 40001 onwards) and FG70-8 (Nissan TB45E, serial 44801 onwards) powershift transmissions each carry a 20-liter ATF capacity, which is consistent with a full service fill figure for a heavy-duty powershift unit of this class.
  • Under normal use conditions, the powershift transmission fluid check interval is set at 1 month or 200 hours, whichever comes first, reflecting the relatively short monitoring cycle typical of high-load forklift applications.
  • The normal-use drain and refill interval for both the FG70-7 and FG70-8 powershift transmissions is 6 months or 1,200 hours, a schedule that applies once the machine has passed its initial service period.
  • An initial service change is specified at 1 month or 200 hours for both the FG70-7 and FG70-8 powershift transmissions. This early drain is standard practice for powershift units, as it removes metal particles and manufacturing residues that accumulate during the break-in period.
  • The initial service change interval of 1 month or 200 hours is notably shorter than the subsequent normal-use change interval of 6 months or 1,200 hours, meaning the first fluid change occurs roughly six times sooner than all following changes.
  • The 20-liter capacity figure is identical across both the FG70-7 and FG70-8 variants, indicating no difference in transmission sump volume between the TB42 and TB45E engine configurations in the DX20 series.

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