I have noticed in the parts catalog that drive axles are solid. Mine axles are split in two halves & push in to the drive gears from the side.I need replacement gears & also side connecting rods.Can anyone advise  me if these parts are still avaliable for purchase.Thank you in advance .

Hi to all out there,I am trying to find spare parts for my N SCALE NORTHERN 4-8-4 & 52' TENDER.I am looking for P/No 9790 DRIVE WHEEL SET,9791 GEAR SET,9792 COMPLETE CYLINDER & VALVE GEAR ASSY.Even if someone has second hand parts I would be very happy.I have two locos with split drive gears.Any help would be greatly appreciated.Thanks in advance.