sentences:  As federal regulations of the time did not permit the use of a 102" width body for a school bus, the Phantom School Bus used the narrower 96" body width of the Phantom (discontinued in 2004).For its 1986 introduction, Gillig offered the Phantom School Bus a range of diesel engines, including the Caterpillar 3208 V8 (school buses were largely the only Phantoms with this engine) and the Detroit Diesel 6V92TA (replacing the 6V71 from the Transit Coach).The Phantom school bus was available with several transmission choices; all of which were carried over from the Transit Coach