Browse Publications Technical Papers 2018-01-0394
2018-04-03

Conceptual Design Challenges and Solutions in Power Shuttle Transmission Development for Legacy Tractors 2018-01-0394

Current developments in tractor transmission design has galloped to new heights with the introduction of CVT, Power shift, Power shuttle, hydrostatic etc besides the vastly available synchromesh and constant-mesh gearboxes. In contrary to the above existing facts of new powertrain development, there is a definite market need to revamp the heritage tractor models to be equipped with the modern transmission systems. This will help customers to have the advanced drivetrain features in the legacy tractors that have won many hearts. One such modernization was the development of new power shuttle transmission in legacy tractor models for TAFE tractors. Power shuttle primarily enables a tractor - in this case, to go forward and reverse by operating a wet clutch. A flick of lever, usually on the steering column changes the direction of the tractor at the same speed of the gear selected.
This research work is on the various conceptual drivetrain challenges akin to ground speeds, base drivetrain layout, wheel base, PTO speed, etc conquered with maximum use of existing drivetrain parts. Advanced simulation tools such as KISSsoft, MASTA for new gear design and FEA through ANSYS for shafts have been used where ever necessary. All innovative solutions discussed this research paper led to the design and development of a new, compact, cost effective power shuttle transmission option for legacy tractors with increased operator comfort, productivity, and life compared with the existing manual shuttle transmission.

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