Home Drive line Cummins 6B5.9 Cummins 6B5.9 Cummins: 3909374 SKU: CNX-DRV-CUM-0124 Category: Drive line Brand: Cummins Add to Quote Description Cummins: 3909374 Related products CLBT755Allison: 23041457 CLBT755Allison: 23014243 Carrier AssyAllison: 23016688 Allison transmissionAllison: 23042964RBE