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CHAPTER 15 Power Trains

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Chapter 15, Pages 365-416 (doi:10.13031/2013.24135) in Chapter 15 in Engine and Tractor Power, 4th edition. St. Joseph, Michigan: ASAE. . Copyright 2004 American Society of Agricultural and Biological Engineers, St. Joseph, Mich.
Authors:   Carroll E. Goering and Alan C. Hansen
Keywords:   Clutches and Brakes, Basic Principles of Transmissions, Theory and Types of Transmissions, Manual Shift Transmissions, Synchromesh Transmissions, Power Shift Transmissions, Continuously-Variable Transmission, Hybrid Transmissions, Hydrokinetic Transmissions, Front Wheel Assists, Steering Drives for Rubber-Tracked Tractors, Differentials, Final Drives, Power Take-Off Drives

The power train is the means for transmitting power from the engine to the point of use. The power train may include a traction clutch or other means for interrupting the flow of power to the drive wheels. One of several types of transmissions is included for changing travel speeds and for providing a means of reversing direction. At least one differential is included for dividing power between the drive wheels. One or more power take-off drives may be included for supplying rotary power to tractor implements. A separate clutch may be provided to interrupt the flow of power to the power take-off drive. Finally, brakes are provided to allow the operator to stop the vehicle when desired.

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