In our Allison division, C&R Transmission offers genuine, re-tran, factory-built Allison transmissions in the 1000, 2000, 3000, and 4000 series. The parts department also has a wide variety of genuine Allison replacement parts available. We are authorized to provide factory warranty repairs as well as scheduled routine oil and filter changes and electrical system diagnostics and repairs. If you are experiencing any problems with your Allison transmission, please call our service department for a diagnosis appointment.