Deutz-Fahr DX 6/7/8

Manual transmission fluid capacity & service interval

Deutz-Fahr DX 6/7/8 manual transmission fluid capacity ranges from 44 to 92 liters. Service intervals include checking at 500 hours and changing at 1000 hours or 12 months, and 2000 hours or 24 months. The data covers 6 configurations.

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

TypeSpecifications
DX 6.05 (1987-1991)
  • Use: Normal
  • Capacity 44 liter
  • Check 500 hours
  • Change 2000 hours/ 24 months
  • Code: 15/1
DX 6.10 (1987-1991)
  • Use: Normal
  • Capacity 44 liter
  • Check 500 hours
  • Change 2000 hours/ 24 months
DX 6.30 (1987-1991)
  • Use: Normal
  • Capacity 44 liter
  • Check 500 hours
  • Change 2000 hours/ 24 months
DX 6.50 (1987-1991)
  • Use: Normal
  • Capacity 44 liter
  • Check 500 hours
  • Change 2000 hours/ 24 months
DX 7.10 (1987-1991)
  • Use: Normal
  • Capacity 78 liter
  • Check 500 hours
  • Change 2000 hours/ 24 months
DX 8.30 (1987-1991)
  • Use: Normal
  • Capacity 92 liter
  • Check 500 hours
  • Change 1000 hours/ 12 months
  • Code: 18/1

Additional Notes

  • The Deutz-Fahr DX 6/7/8 series manual transmission fluid specifications cover transaxle units, meaning the transmission and axle share a common fluid reservoir rather than separate sumps. This integrated design accounts for the notably large fluid capacities across all variants.
  • All four DX 6 variants — the 6.05, 6.10, 6.30, and 6.50 — share an identical transaxle capacity of 44 liters, indicating a common transaxle assembly across the DX 6 sub-series for the 1987-1991 model years.
  • The DX 7.10 carries a 78-liter transaxle capacity, a substantial increase over the 44-liter figure of the DX 6 variants. In agricultural tractors, larger transaxle volumes generally correspond to higher torque ratings and more complex transmission architectures.
  • The DX 8.30 has the largest transaxle capacity in the series at 92 liters, reflecting the heavier-duty drivetrain associated with the top model in the range.
  • A 500-hour fluid level check interval applies uniformly across all six variants. In agricultural equipment, hour-based service intervals are standard because operating time is a more consistent measure of mechanical wear than calendar time alone.
  • The DX 6 variants and the DX 7.10 share a fluid change interval of 2000 hours or 24 months under normal use conditions, whichever comes first. The dual-trigger structure — hours and calendar time — accounts for machines that accumulate hours slowly and may still experience fluid degradation from moisture and oxidation over time.
  • The DX 8.30 has a notably shorter change interval of 1000 hours or 12 months, half the duration specified for the smaller variants. With a 92-liter capacity, the more frequent change schedule represents a significantly greater fluid volume per service event compared to the DX 6 models.

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