Shifting on the go????: John Deere Review  -- John Deere Tractors Discussion Forum and Review Shifting on the go????: John Deere Review -- John Deere Tractors Discussion Forum

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 04-27-2004, 21:27 Post: 84531
Chip11



Join Date: Mar 2004
Location: MA
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 Shifting on the go????

Hi folks,

Have a question on manual shift tractors in general, and was wondering if it is ok to shift on the go, as you would in a car, from 1st to 2nd to 3rd etc...? Or are you better off picking a gear that is best suited, for the task at hand, stay in that speed until stopped, and then change gear?

Thanks for any help,

Chip11






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 04-27-2004, 21:59 Post: 84542
DK35vince



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Location: Western,Pa.
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 Shifting on the go????

It depends on the type of manual transmission you get.

Manual transmission (unsyncronized)- Stop to shift, pick gear you want to use.
Sycronized transmission- shift on the go, but you need to use the clutch.You only need to stop to change range..high/low
Glide shift or power shift- shift on the go, no clutch needed to shift






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 04-27-2004, 22:26 Post: 84545
DRankin



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 Shifting on the go????

I think you are asking if you work your way through the gears of a Gear transmission tractor like you would on your economy car.

The answer is, No.

A tractor can comfortably start in any gear. If I was going to "road" my JD 4100, I would start in high 4 and leave it there, giving me 12-13 mph.

If I was grading the driveway and wanted all my power at a lower speed, I would start in low 2 and leave it there until the job was done.






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 04-28-2004, 03:24 Post: 84555
harvey



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 Shifting on the go????

Chip11 yes you can shift the transmission side while on the move. YOU "SHOULD NOT" SHIFT THE RANGE on the move.

If I am in the "C" HI range (JD cut) it makes NO SENSE to start in 4th gear and slip the clutch till you get it moving. I use the hand throttle and reduce the rpm when shifting up. Most people use the foot throttle.

If the transmission is not syncro type you will have to get your rpms right.

I regularly work in the "B" MID range and shift between 4th and 2nd when doing loader work.

I very rarely shift the ranges on the move but it can be done using good rpm control between ranges.

The older style Transmissions with both shifters mounted between the knees seemed more easier to feel the gears mesh, thus making shifts feel smoother.

C my picture #2 I do not abuse little tractor like that every day but you would never move that load in hi gear from a dead stop.






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 04-28-2004, 07:19 Post: 84565
TomG

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 Shifting on the go????

My Ford has synchromesh TX gears and non-synchromesh range gears. No problem shifting the TX on the fly but many CUT's don't have synchromesh or glide-shift etc. However, TX gears tend to be fairly close and people were shifting cars and trucks long before synchromesh. It's a matter of getting the input and output shaft rpm's fairly close, and they start off fairly close when the gear ratios aren't to change much.

I suppose there's potential for matching shaft rpm's with double-clutching if the foot throttle is used as Harvey mentioned. The throttle also could be increased while the TX is in neutral to help with down shifting as well. The gears on my range are wider spaced than the TX gears and I never shift those without coming to a stop. Irrespective of a TX type, you don't want to grind gears trying to shift on the fly and above all avoid feathering the clutch.






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Discussion Boards > Active Subjects > Messages as Posted > John Deere Review Forum

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