1990 Allison HT740, Fire Truck , Transmission Assys, Fits to: Pemfab Imperial T-944A, (Used) 1989 Allison (AT), TRANSMISSION ASSEMBLY- Model: HT740, Serial Number: 2510138753, Part Number: 23019276, Engine: Detroit 6V92TA, Reference images for condition For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# 2510138753, Casting# 2510138753, Truck Year 1990 1P1F105B2CAQ89031