Home Drive line QSB6.7 QSB6.7 Cummins: 3977393 SKU: CNX-DRV-CUM-0183 Category: Drive line Brand: Cummins Add to Quote Description Cummins: 3977393 Related products Terex TR60Allison: 23017066 Terex Alison H8610ARAllison: 23015990 CLBT755Allison: 23041457 Carrier AssyAllison: 23016688