I've attached the Lionel service manual for the #33 Loco. Drawing (below) and parts list. Ttender.com will have some replacement parts (I noticed they have the missing brass grills). And I've seen Std gauge bells and strap headlights at East Coast train parts shows. They may have other parts. Google them. Replacement hand rails are straight, round brass stock. You bend them yourself. Email email@example.com with the your pic and any parts you want. He'll know if the needed part is listed under different part number, a common occurrence.