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1980 U Model - Antique and Classic Mack Trucks General Discussion
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1980 U Model - Antique and Classic Mack Trucks General Discussion
Mack Wiring Schematic
B-75 air controls - Air Systems and Brakes - BigMackTrucks.com
B61 treadle valve - Air Systems and Brakes - BigMackTrucks.com
Product Code MC 0001