Valtra (Valmet) T4 HiTech
Automatic transmission fluid capacity & service interval
Valtra T4 HiTech automatic transmission fluid capacity is 72 liter. Service intervals include a 10 hour check and a 600 hour change. The data covers 6 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
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Additional Notes
- The Valtra T4 HiTech transmission and hydraulic system share a combined fluid circuit, which accounts for the notably large 72-liter capacity common to all six variants in the 2015-2021 range. In agricultural tractor design, a shared transmission-hydraulic sump means a single fluid volume serves both the gearbox and the implement hydraulics, resulting in capacities far greater than those found in passenger vehicle automatic transmissions.
- The 72-liter figure applies uniformly across the T144 H, T154 H, T174e H, T194 H, T214 H, and T234 H variants, indicating that despite differences in engine output across the model range, the transmission and hydraulic housing dimensions remain consistent throughout the lineup for the 2015-2021 period.
- A fluid level check interval of 10 operating hours is specified under normal use conditions. In tractor service schedules, 10-hour checks are standard practice during early operation or as a routine daily inspection point, reflecting the high mechanical loads and fluid circulation demands placed on combined transmission-hydraulic systems in field use.
- The fluid change interval is set at 600 operating hours under normal use conditions. For agricultural equipment, operating hours rather than calendar time serve as the primary service metric, since annual usage varies widely depending on farm size and seasonal workload.
- The 600-hour change interval applies consistently across all six T4 HiTech variants from 2015-2021, meaning the T144 H at the lower end of the power range and the T234 H at the upper end share the same drain-and-refill schedule for the transmission-hydraulic system.
- The combination of a 10-hour check interval alongside a 600-hour change interval reflects a two-tier maintenance approach common in heavy agricultural equipment, where frequent level monitoring is used to detect leaks or consumption between full fluid replacement events.