1990 Caterpillar 3406B, Sleeper, Engine Assys, Fits to: Kenworth Glider, (Used) 1989 Caterpillar 3406B, ENGINE ASSEMBLY- Displacement: 14.6L, Horsepower: 425, ESN: 4MG90096, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Horse Power 425, Serial# 4MG90096, Truck Year 1990 S550740-GL