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John Deere 140h3 vs 300 series


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#1 tom tractor OFFLINE  

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Posted January 01, 2015 - 05:47 AM

As the title suggests - I am looking for opinions about how the JD 140H3 compares to the 300 series JD tractors.  Are there big differences?  Is the 300 series a rebadged 140?  Are there big differences worthy of upgrading?



#2 Cat385B ONLINE  

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Posted January 01, 2015 - 08:05 AM

My opinion is that two biggest differences are availability of parts, and the engines. 140 parts are getting scarce, and buying a parts machine is not cheap.

Engine differences, mostly on the later models. 316 and 318 with the Onans, and the Yanmar-equipped 322, 330, and 332.

Maybe worth mentioning is that the 318, 322, and 332 were the models that had power steering.

Lots of accessories and attachments out there for these machines. None are cheap. Rear pto attachments are even more expensive if you buy a tractor with the rear 2000 rpm pto. Forget aftermarket, there are none, no one makes Category 0, 2000 rpm tillers.

A 140 H3 is a very sharp looking machine, however. I see the attraction of having 3 circuits of hydraulics. However, I have only read about two people who ever actually put those rear remotes to work.

#3 JDBrian OFFLINE  

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Posted January 01, 2015 - 08:29 AM

The early 300 series tractors, 300-316,312,314, 317 were all based on the same basic frame and trans/ rear end used on the later version of the 140. Beginning in 83 JD brought out the 318 and that series of tractors was based on an entirely new frame and drive system. They look very similar from the outside but are totally different tractors underneath. 

   Fundamentally an early 300 series tractor is going to have the same strengths and weeknesses as a 140. The 318 series is a different ballgame and brings power steering and the open rear frame design to the game. 

  In many cases, at least in my area, it will come down to what is available. They are all good tractors in their own way but a lot of them have been beat into the ground and neglected. If a good low hour, well maintained example of any of them came my way when I was in the market, I would likely grab it for that reason alone regardless of which model it was. 


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#4 GTTinkerer OFFLINE  

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Posted January 01, 2015 - 08:30 AM

My opinion is that two biggest differences are availability of parts, and the engines. 140 parts are getting scarce, and buying a parts machine is not cheap.

Engine differences, mostly on the later models. 316 and 318 with the Onans, and the Yanmar-equipped 322, 330, and 332.

Maybe worth mentioning is that the 318, 322, and 332 were the models that had power steering.

Lots of accessories and attachments out there for these machines. None are cheap. Rear pto attachments are even more expensive if you buy a tractor with the rear 2000 rpm pto. Forget aftermarket, there are none, no one makes Category 0, 2000 rpm tillers.

A 140 H3 is a very sharp looking machine, however. I see the attraction of having 3 circuits of hydraulics. However, I have only read about two people who ever actually put those rear remotes to work.

I use the remotes on the back of my first 140H3 to run the three point.  I replaced the Kohler K321 with a B&S Vanguard 16 hp twin and it has worked out great.  Less vibration and the fuel usage is less than half than with the Kohler single.  Other than wishing it had power steering and a loader it fits my needs very well.  I am going to try using the thrust bearings to see if they will help.

 

The second 140H3 has the rear PTO kit and a 37A rototiller runs off that.  It has the snow blower on the front now but doesn't get much use since I use a Jacobsen TurfCat with a 50" blower.  .



#5 Trav1s ONLINE  

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Posted January 01, 2015 - 10:48 AM

As others have mentioned, there are significant differences early v/s late 300 series machines with the early machines having much in common with the 140.  As a owner of a 120 and a 312 (and 314 before that), I find the 312 (early 300 series) and the later series nicer to use on a regular basis.  The differences between the 120/140 and early 300 series as I see them are as follows:

 

120/140                  vs     early 300

solid mount motor  vs     rubber mount motor
clutch                      vs    no clutch to disconnect hydro

fuel under hood       vs    fuel under fender pan

side hydro control    vs   dash hydro control

 

Also, there was a significant steering redesign on the 314/317.  The 120/140/300/312/316k use a similar steering column/box, center link, and tie rods.  The center link is very expensive to replace.  The 314/317 run the steering down the left side of the tractor to the left front spindle, then runs one tie rod to the right side of the tractor.  

 

 

That being said, I love my 120 and would not trade it.  There is something about the style/design of the 120/140 that I think is a slam dunk.  

 

 

 

 


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