Perfect Fitment: This specialty tool was designed to install front and rear countershaft bearing on Eaton Fuller Roadranger FR-series transmissions. Replace Parts Number: Transmission Countershaft Front and Rear Bearings Driver is a direct replacement to parts number RR1015TR. Excellent Function: Our products are durable and provide support in the process to prevent damage and improve efficiency. It is an essential tool for your front and rear countershaft bearing installation. High-Quality Materials: Heavy duty steel structure machined, welded and finished with powder coating to resist corrosion and ensure a long-term and reliable performance. .