The behemoths that conquered Hoth: AT-AT Walkers
Mechanised chickens: AT-ST Walkers
Speeders for commanders: Chariot LAVs
Have a nice trip through the forest on one of these: Speeder
Bikes
Drive a TIE fighter with wheels: TIE Crawlers
Spiders with guns: MT-AT Transports
Before the AT-ATs, these reigned supreme: Juggernauts