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Re: John Deere transmissions?
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Posted by JMS/MN on September 19, 2003 at 22:35:51 from (67.27.125.236):
In Reply to: John Deere transmissions? posted by Danny on September 19, 2003 at 18:51:35:
The JD Powershift is like an automatic transmission in that you do not NEED to use the clutch- they call it an inching pedal- to shift from one speed to another. With the synchro tranny, you have about 4 stations-= need to use the clutch to shift from one station to another. Each station has a couple of forward gears and some have one or two reverses. Within each station, the gears are synchronized, you use the clutch but do not need to come to a complete stop- they can shift on the fly. Powershift delivers less power to the drawbar, but is offset with the convenience of popping from one gear to another. Powershift lasts longer but costs more to repair. Since 1973 I've had four Powershifts, rebuilt one. Two have over 8000 hrs, one has over 10000 hrs, the one that was rebuilt was a plantation tractor with ? hrs. Meter showed 5000, mechanic said maybe 3x that.
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