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Thread: Turbocharged D6B 44A?

  1. #1
    Join Date
    Mar 2009
    yuba city,california

    Thumb Turbocharged D6B 44A?

    Just curious about the few turbo D6Bs that I have come across. Iím referring to the factory version; were they set to help boost HP at all altitudes or was there an optional variant? I got to haul one yesterday, and it does put out quite a bark. Didnít know if there was any increase in kitty power or not. Looks nice and impressive under the hood.

  2. #2
    Join Date
    Jan 2013
    Yoakum, Texas

    Thumb D6B Turbo...

    My D6B parts book lists them as for "Normalizing for Altitude Operations" 8M4455 for direct electric start and 8M6457 for pony start. I think there would be a boost in hp at low altitudes.

  3. #3
    Join Date
    Sep 2009
    Asotin, Wa


    Just darn near all the Bs around here have turbos, (except the one you ended up with). If they came that way I donít know. Even if the turbo didnít make power from the factory, it wouldnít have taken the boys around this neighborhood to find the smoke screw.
    Holt 45 power unit, Two Ton, Sixty (2), Diesel 40, No.11 AutoPatrol, 4G D4, 9U D6, 17R D6C, 9G D7, 7M D7, DW20.

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