Apprentice Engineering allows an engineer to make basic contraptions up to a maximum potential skill of 75.
Requirements: Level 5
You can learn Apprentice Engineering from any of these NPCs below.
Horde trainers:
Thund in Orgrimmar.- Graham Van Talen in Undercity.
- Twizwick Sprocketgrind in Mulgore.
- Mukdrak in Durotar.
- Tinkerwiz in The Barrens.
Alliance trainers:
Jemma Quikswitch in Ironforge.- Sprite Jumpsprocket in Stormwind City.
- Jenna Lemkenilli in Darkshore.
- Bronk Guzzlegear in Dun Morogh.
Journeyman Engineering
Maximum potential skill: 150
Requirements: Level 10, Engineering 50
You can learn Journeyman Engineering from any of these NPCs below
Horde trainers:
- Franklin Lloyd in Undercity.
- Nogg in Orgrimmar.
Alliance trainers:
- Trixie Quikswitch in Ironforge.
- Lilliam Sparkspindle in Stormwind City.
Expert Engineering
Maximum potential skill: 225
Requirements: Level 20, Engineering 125
You can learn Expert Engineering from Roxxik (Horde) in Orgrimmar and from Springspindle Fizzlegear (Alliance) in Ironforge.
Artisan Engineering
Maximum potential skill: 300
Both factions can learn Artisan Engineering from Buzzek Bracketswing in Tanaris at Gadgetzan.
Requirements: Level 35, Engineering 225