Calgary Transit's first order of T6H-5307N model buses arrived in 1972 and were numbered 663-686. The last bus from this order, #664, was retired in 1994.  All of these buses were powered by the Detroit Diesel 6V71N engine with the Allison VH9 transmission.

Thumbnail	Bus #	Date	Description
	664	February 21, 1999	Ex-Calgary Transit 664 is shown in a parking lot east of City Hall in Calgary being used by the Seventh Day Adventist Church as a mobile cafeteria to feed the homeless with.
	664	February 21, 1999	The rear of Ex-Calgary Transit 664