Walthers Proto Replacement Geared Driver Assembly for Diesel Wheelset. Comes in a pack of 2. Ideal for Early PROTO 2000(R) BL, FA, GP7/9/18/20/30/60 & PROTO 1000(TM) F3, RS2, RSC2 models in HO scale. Part # 920-584408.

To use this Walthers Proto Geared Driver Assembly, first make sure your model is an Early PROTO 2000(R) BL, FA, GP7/9/18/20/30/60 or PROTO 1000(TM) F3, RS2, RSC2 in HO scale. Carefully remove the old assembly and replace it with these new ones. When handling, be gentle to avoid any damage. For maintenance, keep it clean and dry. Periodically check for any signs of wear or looseness. If you notice any issues, replace the assembly as needed.