Valtra (Valmet) Q5 Series
Coolant capacity & service interval
Valtra (Valmet) Q5 Series coolant capacity is 36 liters. Service intervals include checking every 10 hours and changing every 2400 hours or 24 months. The data covers 5 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| Q225 (2022- ) |
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| Q245 (2022- ) |
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| Q265 (2022- ) |
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| Q285 (2022- ) |
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| Q305 (2022- ) |
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Additional Notes
- The Valtra (Valmet) Q5 Series cooling system holds 36 liters across all five variants — the Q225, Q245, Q265, Q285, and Q305 — with no variation in capacity between models.
- A 36-liter cooling system capacity is characteristic of large agricultural tractors, where substantial thermal mass is needed to manage heat from high-displacement engines under sustained load conditions.
- The coolant check interval is set at 10 hours of operation under normal use conditions, placing it among the most frequent fluid monitoring tasks in a standard service schedule.
- A 10-hour check interval aligns with daily or near-daily inspection routines common in agricultural equipment, where coolant level and condition are monitored before or after each working session.
- The coolant change interval is specified at 2400 hours or 24 months under normal use conditions, whichever comes first, meaning time elapsed can trigger a change even when the hour threshold has not been reached.
- A 2400-hour or 24-month change interval is relatively extended for heavy equipment coolant service, reflecting the use of long-life coolant formulations designed to maintain corrosion inhibitor effectiveness over prolonged periods.
- All five Q5 Series variants — Q225, Q245, Q265, Q285, and Q305 — share identical check and change intervals, indicating a uniform cooling system service schedule regardless of power output differences across the range.