The John Deere PowerShift transmission was an eight-speed semi-automatic transmission without a torque converter, used in John Deere tractors, including the iconic John Deere Model 4020.
[1] The Powershift is not to be confused with similar John Deere transmissions (including the Quad-Range and the PowrQuad[2]), or with the Ford Ultra Command Powershift or the Allis Chalmers Power Director.
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