Just make sure you know your power sources to the brakes. These maintenance guys tried inboard engine taxiing of a 747 and look what happened.
AirDisaster.Com: Accident Photo: Saudi Arabian Boeing 747-368 (KUL) (4)
Leaving the outboards running can make taxiing easier when using differential power. Herc was a good example. No tiller required except for the tight turns in the parking area with inboards shut down.