traction drive for rototiller lawn mowers MODELS: VIKING WITH ADAPTABLE REDUCER Part No.: 54.270.5041 Original part No.: 6350-640-0105-A 63506400105A WARNING!!! ON THE OLD TRACTION UNIT YOU WILL FIND THE ORIGINAL MANUFACTURER'S PART NUMBER. SO TO ORDER THE TRACTION UNIT SIMPLY CHECK THE ORIGINAL PART NUMBER, NO MEASUREMENTS ARE REQUIRED. CZ