Valtra (Valmet) N5 Direct

Coolant capacity & service interval

Valtra (Valmet) N5 Direct uses coolant with a capacity of 18 liters. Service intervals include checking every 10 hours and changing every 2400 hours or 24 months. The data covers 4 configurations.

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

TypeSpecifications
N135 Direct (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Check 10 hours
  • Change 2400 hours/ 24 months
N155 Direct (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Check 10 hours
  • Change 2400 hours/ 24 months
N155E Direct (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Check 10 hours
  • Change 2400 hours/ 24 months
N175 Direct (2021- )
  • Use: Normal
  • Capacity 18 liter
  • Check 10 hours
  • Change 2400 hours/ 24 months

Additional Notes

  • The Valtra (Valmet) N5 Direct cooling system capacity is 18 liters across the N135, N155, N155E, and N175 variants, indicating a uniform system volume regardless of engine output differences between those configurations.
  • A coolant check interval of 10 hours applies to all four variants, reflecting a very short early inspection cycle typical of agricultural machinery operating under variable load and temperature conditions.
  • The coolant change interval is set at 2400 hours or 24 months, whichever comes first, meaning both an operational threshold and a calendar limit govern when a change is due under normal use conditions.
  • The 24-month calendar limit on coolant changes means a machine with low annual hours would still require a change within two years, as time-based degradation of coolant additives occurs independently of engine runtime.
  • The N135, N155, N155E, and N175 Direct variants all share the same 18-liter capacity, the same 10-hour check interval, and the same 2400-hour/24-month change interval, indicating no differentiation in cooling system service requirements across those four engine designations starting from 2021.

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