The new nextec Intelligence™ AC model, the NX25-240 fuel transfer series, allows fleet managers to fuel all day with less downtime due to short duty cycles or overheating. The new nextec Intelligence™ AC model, the NX25-240 fuel transfer series, allows fleet managers to fuel all day with less downtime due to short duty cycles or overheating. Our industry-leading pumps are equipped with a variable speed motor and Fill-Rite’s exclusive nextec Intelligence™ technology for elite performance in harsh applications. Its low-profile, lightweight construction eases installation while still moving fuel more efficiently than the competition.