Deutz-Fahr Series 6 C

Differential fluid capacity & service interval

Deutz-Fahr Series 6 C requires differential fluid with a capacity of 9,5 liters. Service intervals include checking at 250 hours and changing at 1000 hours or 12 months. The data covers 6 configurations.

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

TypeSpecifications
  • 6115C, Stage 5->ZKDGV50200TD50001 (2022- )
  • Front
  • Use: Normal
  • Capacity 9,5 liter
  • Check 250 hours
  • Change 1000 hours/ 12 months
  • 6115C, Stage 5->ZKDLW00200TD50001 (2022- )
  • Front
  • Use: Normal
  • Capacity 9,5 liter
  • Check 250 hours
  • Change 1000 hours/ 12 months
  • 6125C, Stage 5->ZKDLW10200TD50001 (2022- )
  • Front
  • Use: Normal
  • Capacity 9,5 liter
  • Check 250 hours
  • Change 1000 hours/ 12 months
  • 6125C, Stage 5->ZKDGV60200TD50001 (2022- )
  • Front
  • Use: Normal
  • Capacity 9,5 liter
  • Check 250 hours
  • Change 1000 hours/ 12 months
  • 6135C, Stage 5->ZKDGV70200TD50001 (2022- )
  • Front
  • Use: Normal
  • Capacity 9,5 liter
  • Check 250 hours
  • Change 1000 hours/ 12 months
  • 6135C, Stage 5->ZKDLW20200TD50001 (2022- )
  • Front
  • Use: Normal
  • Capacity 9,5 liter
  • Check 250 hours
  • Change 1000 hours/ 12 months

Additional Notes

  • All six configurations of the Deutz-Fahr Series 6 C covered here share an identical front differential fluid capacity of 9.5 liters. In agricultural machinery, a front differential of this size is consistent with a mechanical front-wheel drive axle designed to handle the torque demands of a full-size utility tractor.
  • The 9.5-liter figure represents a service fill capacity, meaning the volume required when refilling a drained but otherwise intact differential housing during routine maintenance, rather than a complete overhaul fill that might account for additional passages or cooler circuits.
  • A fluid level check interval of 250 hours applies uniformly across all listed configurations under normal use conditions. In tractor operation, 250 hours is a relatively frequent checkpoint, reflecting the contamination and wear exposure that front differentials face from field debris, water ingress, and continuous load cycling.
  • The fluid change interval is set at 1,000 hours or 12 months, whichever comes first, under normal use conditions. The dual-trigger structure means a tractor used lightly in a given year would still require a fluid change at the 12-month mark regardless of accumulated hours.
  • The three power variants in the Series 6 C lineup covered here — the 6115C, 6125C, and 6135C — all share the same 9.5-liter front differential capacity and identical service intervals, indicating a common front axle assembly across these output levels.
  • Each power variant appears in two distinct serial number series, differentiated by the chassis identifier strings ZKDGV and ZKDLW. Despite this distinction, the differential fluid specifications are identical between the two serial number lines within each model, suggesting no mechanical difference in the front axle between those production variants.

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