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GMC Brigadier in cab ride along straight piped Detroit

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WILL IT START Episode 9! 1981 GMC Brigadier 671 Detroit!

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GMC Caterpillar 3208 Features, Benefits, Applications, and Competition GM-349-A Dealer Training LD

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1988 WHITE-GMC Brigadier Detroit 671 Turbo Shifting

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International 1979, 4200 transtar 6v92 Detroit Diesel

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GMC Brigadier Interior with a 6v92 GoPro

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Detroit Diesel 6V92 Runaway

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Super Brigadiers GMC