This a 2002 MARTA Diesel Orion VII. This Bus is running on the old Atlanta Braves Shuttle route. These Diesel Orion VIIs are MARTA's oldest buses still in everyday service. These buses use the Detroit Diesel Series 50 EGR Engine and the Alison B400R6 Transmission. These buses are slowly being retired and are about 20 of the buses still in service. If you visit Atlanta, GA it is a must ride.