JD 4100 Gear: John Deere Review  -- John Deere Tractors Discussion Forum and Review JD 4100 Gear: John Deere Review -- John Deere Tractors Discussion Forum

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 03-29-2002, 14:14 Post: 36843
Normand
2002-03-29 14:14:47
Post: 36843
 JD 4100 Gear

Looking for advice and information on the 4100 compact utility with gear trans. I am currently looking for a used tractor around the JD 4100 size or JD 755. I have leads on a 4100 gear with a loader. I was told that the 4100 with gear transmission was not a good unit, especially when operating PTO driven attatchments, since the power to the PTO is cut off when shifting gears or stopping. I can see this being a real problem. On the contrary I was also told that the 4100 gear had a two stage clutch which allows shifting without cutting-off power to the PTO. Another downfall was shifting on the fly or loader work with the gear transmission?? Does anyone have any suggestions or comments that would help me make a dissision on buying the more affordable gear 4100 or a more expensive hydostatic.
email: normkoresources@shaw.ca






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 03-29-2002, 15:52 Post: 36846
Roy Jackson



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 JD 4100 Gear

You might want to check with a dealer first to ensure the Gear tractor clutch is SNIGLE STAGE (which is what you describe) or a DUAL STAGE (Tractor movement stops when you depress the clutch , PTO stops when you depress the clutch fully).
I expect the dual stage may be optional. IF you buy used, this is one thing you might keep in mind.

My JD 670 (a precurser to the 4100) has a single stage clutch. That's the only thing I don't like about the tractor, however, it doesn't really interfere with mowing EXCEPT where you have to stop the machine completely (as if you need to back up). Shifting to another foward gear is fast. When I mow, I run in 2nd LOW. I push the clutch in when I turn, but rarely shift to another gear. There is one section of my lawn I have to back in and drive out for multiple passes (back and forth for ~40-50' by a width of 60-70').This is a slope of 25-30.I do stop completely before trying to reverse, however.And the lawn looks great there.

I did a little investigation to see if I could change over to the dual stage..never really followed through with it, though. Seems the consensus on CTB is that it isn't an easy transition. Never did ask the dealer, though.

Depending on your expected usage, you may never miss the dual stage clutch. I can't give you any particular instance where I have, but I only mow and push snow. I could see where tilling might be a problem.






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 03-29-2002, 15:56 Post: 36847
Roy Jackson



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 JD 4100 Gear

I forgot to address the loader work. If you're in a hurry or do a lot of loader work, get the HST. Otherwise, the gear should be OK.






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 03-29-2002, 16:15 Post: 36849
DRankin



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 JD 4100 Gear

My 4100 Gear will start from a dead stop, uphill, with a load, in any gear I choose. The best way to operate the tractor is to pick a gear, start and stay there as you work and use the foot throttle to vary your speed. The only pto driven tool I have is a post hole digger so I don't know how it operates moving with the pto running, but I will check and let you know. As to the loader work, it is a little more labor intensive than with an HST, but once you get the cadence it works well.






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 03-29-2002, 16:24 Post: 36851
Roy Jackson



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 JD 4100 Gear

Mark, is your clutch single or dual stage?

With your Post hole digger..would you want to be moving during usage? Or did I misunderstand your post?






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 03-29-2002, 16:32 Post: 36852
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 JD 4100 Gear

My sale brochure says the 4100 Gear comes with an "economical transmission driven PTO" And if you step on the clutch every thing driven by the transmission stops... all drive wheels and both PTO's. The 4100 HST has an independant PTO. My clutch appears to be single stage, I have to push it all the way down to disengage the drive wheels. Hope this helps.






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 03-29-2002, 16:38 Post: 36853
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 JD 4100 Gear

Roy when I said 'it' I meant the tractor. I had never driven the tractor with the PTO running until just now and I can verify that the rear PTO stops as soon as the clutch stops turning the drive train. I can't see the mid PTO but it is driven from the same gear box. But you have an interesting idea there. Maybe a moving PHD will operate like a trencher.... just kidding folks.






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 03-29-2002, 19:12 Post: 36860
Roy Jackson



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 JD 4100 Gear

"The best way to operate the tractor is to pick a gear, start and stay there as you work and use the foot throttle to vary your speed"

Yeah, but for running a finish or rotary mower, you need to maintain PTO speed (about 2500 RPM Engine speed on our tractors).






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 03-29-2002, 19:40 Post: 36862
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 JD 4100 Gear

Like I said, don't have one of those thingamajigs. I guess you would set the engine speed with the hand throttle to keep the PTO and mower at the correct speed and choose one of those 8 forward gears that produced the corrct ground speed. 540 PTO RPM's on the 4100 Gear call for 2650 engine RPMS and the follwing gears and ground speeds are available at 2650 engine RPM's:
1st....0.7 mph
2nd....1.2 mph
3rd....1.5 mph
4th....2.4 mph
5th....3.1 mph
6th....5.0 mph
7th....7.1 mph
8th....11.3 mph

Seems likely that one of these selections would mow the lawn.






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 03-29-2002, 23:17 Post: 36866
Normand
2002-03-29 00:00:00
Post: 36866
 JD 4100 Gear

Thanks for your info guys. I guess the best way to find out if the gear trans works for me is to try one first. I take it that shifting on the fly is a no option with the gear.






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

Thread 36843 Filter by Poster:
DRankin 8 | Jerry Garrett 1 | JKenna 1 | jyoutz 2 | Normand 4 | Peters 2 | rdunstan 1 | Roy Jackson 5 | TomG 3 |




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