Benjamin Posted September 3, 2014 Report Share Posted September 3, 2014 (edited) Does anyone here remember the Blue Bird "City Bird" transit bus? It was produced from 1976 to 1986. For most of its run it used a Detroit Diesel 6V53 engine (naturally aspirated to 1979; turbocharged from 1980), switching to 6V71TA power for its last two model years (1985-1986). Engine list: Detroit Diesel 6V53N (1976-1979) Detroit Diesel 6V53T (1980-1984) Detroit Diesel 6V71TA (1985-1986) Transmission list: Allison MT640 (1976-1977) Allison MT643 (1978-1984) Allison MT644 (1985) Allison MT647 (1986) Hear a 1983 City Bird in action: https://www.youtube.com/watch?v=3Ip2uNRyYVg (audio and picture by Marcos Ruiz) ~Ben Edited September 3, 2014 by Benjamin Link to comment Share on other sites More sharing options...
Benjamin Posted May 3, 2016 Author Report Share Posted May 3, 2016 BUMP Apparently, I found out the 1984-87 models also had the following engines: Engine list: Caterpillar 3208T (1985-1987), MT27 model only Detroit Diesel 6V71N (1984-1987), MT30 (CBPP2904) and MT35 (CBPP3407) models only Detroit Diesel 6V71TA (1984-1987), MT30 (CBPP2904) and MT35 (CBPP3407) models only Transmission list: Allison MT643 (1985-1987), MT27 model only Allison MT644 (1984), MT30 (CBPP2904) and MT35 (CBPP3407) models only Allison MT647 (1985-1987), MT30 model only Allison HT747 (1984), MT30 (CBPP2904) and MT35 (CBPP3407) models only ~Ben Link to comment Share on other sites More sharing options...
MrCeleb2006 Posted February 16, 2020 Report Share Posted February 16, 2020 Love it when a Blue Bird transit bus from the 1970s is powered by a Detroit Diesel 6V53! Link to comment Share on other sites More sharing options...
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