Valpadana 6400 Series

Coolant capacity & service interval

Valpadana 6400 Series coolant capacity is 6,5 liters. Service intervals are 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
6450 ISM, Yanmar 4TNV88-KVA (2015-2020)
  • Use: Normal
  • Capacity 6,5 liter
  • Change 1000 hours/ 12 months
6450 VRM, Yanmar 4TNV88-KVA (2015-2020)
  • Use: Normal
  • Capacity 6,5 liter
  • Change 1000 hours/ 12 months
6460 ISM, Yanmar 4TNV88-KVA (2015-2020)
  • Use: Normal
  • Capacity 6,5 liter
  • Change 1000 hours/ 12 months
6460 VRM, Yanmar 4TNV88-KVA (2015-2020)
  • Use: Normal
  • Capacity 6,5 liter
  • Change 1000 hours/ 12 months
6475 ISM, John Deere 4024 HF295 (2015-2020)
  • Use: Normal
  • Capacity 6,5 liter
  • Change 1000 hours/ 12 months
6475 VRM, John Deere 4024 HF295 (2015-2020)
  • Use: Normal
  • Capacity 6,5 liter
  • Change 1000 hours/ 12 months

Additional Notes

  • All six configurations of the Valpadana 6400 Series covered in these specifications share an identical cooling system capacity of 6.5 liters, indicating a uniform cooling circuit volume across both transmission variants and both engine families used in the 2015-2020 production range.
  • The 6.5-liter figure represents the total cooling system fill capacity, which typically accounts for the engine block, cylinder head passages, radiator, and connecting hoses rather than the engine alone.
  • The 6450 and 6460 models are each available in ISM and VRM transmission variants, both paired with the Yanmar 4TNV88-KVA engine. Despite the mechanical differences between transmission types, the cooling system capacity remains at 6.5 liters across all four of those configurations.
  • The 6475 ISM and 6475 VRM use the John Deere 4024 HF295 engine rather than the Yanmar unit found in the lower-numbered models, yet the cooling system capacity is still specified at 6.5 liters, matching the Yanmar-equipped variants exactly.
  • The service interval for coolant replacement is specified at 1000 hours or 12 months under normal use conditions, whichever comes first. The dual-trigger format is standard practice for equipment that may accumulate hours at varying rates depending on seasonal or operational patterns.
  • The 1000-hour threshold is a common benchmark in agricultural and compact utility machinery, reflecting the expected degradation rate of coolant additives that protect against corrosion, cavitation, and freezing over extended engine operation.
  • All six rows carry a normal use condition designation, meaning the 1000-hour/12-month interval applies to standard operating environments rather than elevated-stress conditions such as extreme temperatures or continuous high-load cycles.

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