Landini Series 6H

AdBlue (DEF) capacity & service interval

Landini Series 6H uses AdBlue (DEF) with a capacity range of 19,6 to 23 liters. The data covers 5 configurations.

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

The Landini Series 6H AdBlue (DEF) system operates through a selective catalyst reduction (SCR) arrangement across all listed configurations, which is a post-combustion emissions treatment method that injects a urea-water solution into exhaust gases to reduce nitrogen oxide output.
Tier 4f variants of the 6-115H, 6-125H, and 6-135H all share an identical AdBlue tank capacity of 19.6 liters, meaning the same physical reservoir size was used across the full Tier 4f model range from 2018-2022 regardless of engine output rating.
Stage V variants of the 6-125H and 6-135H carry a notably larger AdBlue capacity of 23 liters, which represents an increase of approximately 3.4 liters over the Tier 4f tank size used in the same model lines.
The capacity difference between Tier 4f and Stage V configurations within the same model designation, such as the 6-125H and 6-135H, reflects a tank resizing associated with the emissions standard transition rather than a change in engine displacement or power class.
A 19.6-liter AdBlue capacity, as seen on all 2018-2022 Tier 4f models, is a moderately sized reservoir for agricultural tractors in the 115-135 horsepower range, generally supporting extended field operation between refill intervals under normal use conditions.
All capacity figures across the listed rows are designated under normal use conditions, meaning the stated 19.6-liter and 23-liter values apply to standard operating environments rather than severe-duty or high-load duty cycles.