The automatic transmission 2 comprises a torque converter 3 into which the generated torque of the engine 1 is input via a fluid, {TAIL ~ a multi step type speed change gear mechanism} 4 which takes {HEAD ~ the output} from the torque converter 3 and outputs this after a speed change, and a hydraulic mechanism for driving these 
The automatic transmission 2 comprises a torque converter 3 into which the generated torque of the engine 1 is input via a fluid , { TAIL ~ a multi step type speed change gear mechanism } 4 which takes { HEAD ~ the output } from the torque converter 3 and outputs this after a speed change , and a hydraulic mechanism for driving these
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