McCormick TTX

Differential fluid capacity & service interval

McCormick TTX differential fluid capacity ranges from 5,5 to 6 liters. Service intervals include checks at 250 hours and changes at 250 or 1000 hours. The data covers 6 configurations.

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

TypeSpecifications
  • TTX190, Tier3 (2007-2013)
  • Front
  • Use: Normal
  • Capacity 5,5 liter (Independent Front Axle)
  • Capacity 6 liter (MFD)
  • Check 250 hours
  • Change 1000 hours
  • TTX190, Tier3 (2007-2013)
  • Front
  • Use: Initial service
  • Capacity 5,5 liter (Independent Front Axle)
  • Capacity 6 liter (MFD)
  • Change 250 hours
  • TTX210, Tier3 (2007-2013)
  • Front
  • Use: Normal
  • Capacity 5,5 liter (Independent Front Axle)
  • Capacity 6 liter (MFD)
  • Check 250 hours
  • Change 1000 hours
  • TTX210, Tier3 (2007-2013)
  • Front
  • Use: Initial service
  • Capacity 5,5 liter (Independent Front Axle)
  • Capacity 6 liter (MFD)
  • Change 250 hours
  • TTX230, Tier3 (2007-2013)
  • Front
  • Use: Normal
  • Capacity 5,5 liter (Independent Front Axle)
  • Capacity 6 liter (MFD)
  • Check 250 hours
  • Change 1000 hours
  • TTX230, Tier3 (2007-2013)
  • Front
  • Use: Initial service
  • Capacity 5,5 liter (Independent Front Axle)
  • Capacity 6 liter (MFD)
  • Change 250 hours

Additional Notes

  • The McCormick TTX front differential fluid capacity varies by axle configuration: the Independent Front Axle holds 5.5 liters, while the MFD (Mechanical Front Drive) axle holds 6 liters, a difference of 0.5 liters that applies uniformly across the TTX190, TTX210, and TTX230 variants.
  • Under normal use conditions, the front differential fluid interval follows a two-stage schedule: a level check at 250 hours and a full fluid change at 1,000 hours, regardless of whether the axle is the Independent Front Axle or MFD type.
  • An initial service interval is specified separately from the normal use schedule, requiring a front differential fluid change at 250 hours rather than 1,000 hours, which aligns with common break-in service practice where early fluid changes remove metal particles generated during initial component wear-in.
  • The initial service change interval of 250 hours coincides exactly with the normal-use check interval, meaning the first fluid change under initial service conditions occurs at the same hour mark as the first routine inspection under normal conditions.
  • All three Tier 3 variants covered by the 2007-2013 production range, the TTX190, TTX210, and TTX230, share identical front differential fluid capacities and service intervals, with no variation in specifications across the model lineup.

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