Massey Ferguson MF 5S

Coolant capacity & service interval

Massey Ferguson MF 5S coolant capacity is 18 liters. Service intervals are 1200 hours or 24 months. The data covers 10 configurations.

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

TypeSpecifications
MF 5S.105 Dyna-4 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.105 Dyna-6 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.115 Dyna-4 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.115 Dyna-6 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.125 Dyna-4 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.125 Dyna-6 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.135 Dyna-4 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.135 Dyna-6 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.145 Dyna-4 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months
MF 5S.145 Dyna-6 (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Change 1200 hours/ 24 months

Additional Notes

  • The Massey Ferguson MF 5S cooling system capacity is 18 liters across all configurations, covering the 5S.105, 5S.115, 5S.125, 5S.135, and 5S.145 variants in both Dyna-4 and Dyna-6 transmission versions. An 18-liter figure is consistent with a full cooling system service fill on a mid-range agricultural tractor, accounting for the engine block, cylinder head passages, radiator, and associated hoses.
  • The coolant change interval is specified at 1200 hours or 24 months under normal use conditions, whichever comes first. The dual-trigger format, combining an engine hours threshold with a calendar period, reflects the reality that coolant degrades chemically over time regardless of machine activity levels.
  • The 1200-hour threshold is a relatively extended interval by agricultural equipment standards, which is typical for modern extended-life coolant formulations. Such formulations use organic acid technology or similar inhibitor packages that resist depletion at a slower rate than conventional coolants.
  • The uniform 18-liter capacity across all ten configurations, spanning both transmission types and all five power variants from 105 to 145 horsepower, indicates a shared engine and cooling architecture throughout the MF 5S range introduced from 2021.
  • The identical 1200-hour or 24-month interval applying equally to Dyna-4 and Dyna-6 variants confirms that transmission type has no bearing on the cooling system service schedule within the MF 5S lineup.

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