(Used) 2007 Workhorse W62, Allison TRANSMISSION ECM - Model: 2200HS Part Number: 29545321, Serial Number: BK5321N72021AND, TCM+CAL Assy: A40004U0, CIN: 45004U00018, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921