You can get that TM in firered or leafgreen you can buy it at the game corner exchange migrate a Pokemon that is holding the TM to soul silver capture it to receive the Pokemon take the TM from it to get it.
iron island
meteor mash and iron tail
It'll need to be hatched in a Egg if one of the parents know Iron Tail. I don't know how good a Pikachu (which knows Iron Tail) would do with Arcanine. Haha. But if you can keep finding Pokemon with a Iron Tail move, (make sure the Pokemon is male) you can breed it with a female Arcanine.
You cannot get the TM Iron Tail in Red/Blue/Yellow. The move was introduced in Generation 2 with Gold/Silver/Crystal.
TM 23 Iron Tail can be found in the Iron Mountain.
The iron tail move is TM Number 23
TM 23 - Iron Tail can be found on Iron Island.
After beating Jasmine, she will give you TM Iron Tail.
Iron Tail isn't a TM in the game.
TM23
In the Pokemon game corner
Defeat Jasmine a olivine city.then youll get iron tail.