The 744 needs a LOT of brakes to stay at reasonable taxi speed when light! We can shut down #3 or #2 & 3 for taxiing in, after 3-minute cooldown.
With only #3 shut down, it seldom needs any power above idle, unless tower wants an "expedite" on crossing a runway. With both #2 & 3 shut down, power is needed when maneuvering or climbing.