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I don't see the reason for the 1025R. Is there something different about this tractor? Ive looked at the specs, and it all seems about the same as the 1026R with a little less power. Some would even say that there is no reason for the 1023E. I bought a 1023E and I feel like im in the minority in the scut world on this forum because "you might as well get the 1026R". What am I missing? Why do we need 3 scuts?

I really don't know if this has been talked about before and I am not very educated on the 1025R. But it seems unnecessary to me. I just got home from work, im tired and confused.
 

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Federal rules for emissions cuts off at 25 HP. The 1026R would have to fall in line with higher diesel emissions rules. So by cutting it back to 25 HP they don't have to, hence the 1025R. The 1026R will not be available as a 2013 model.

-636
Yup, what he said.:good2: Soon there will only be the 1025R and 1023E.
 

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Yup, what he said.:good2: Soon there will only be the 1025R and 1023E.
The HP difference between the 1025R and 1023E is only 1.8 HP for the 2013 model. I would guess torque curves are broader on the 1025R.

Yanmar spec's on the 1026R as #3TNV76-CSA (25.1 HP @ 3200 RPM) net, and Max. Torque (ft-lb)
49.1 @ 2300 rpm.

Yanmar spec's on the 1023E as #3TNM72-AMW (23.6 HP @ 3600 RPM) net, and Max. Torque (ft-lb)
40.9 @ 2600 rpm.

I could not find any Yamar spec's on the #3TNV80 usage in the 1025R. I did find that JD and Yanmar spec thing differently.
 

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With .1 HP too much one would think they'd just restrict the exhaust or intake a smidge and call it good. The loss in torque seems a bit high for a reduction in HP...

-636
 

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Discussion Starter #6
Oh, I didnt know the 1026r was going away. That seems a little silly but its the government so its not surprising.
 

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Also the engine in the new 1025R is the tier 4 emissions engine. The 1026R has a tier 3 emissions engine (and I think the 1023e does also, which makes me think that the 1023e will become the 1020e in the near future, maybe MY2014? I believe I also heard that the new 2 series will be a 2020e and a 2025r in line with the 1-series.
 

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The 1026R was/is Tier 4 Interim. The "new" cutoff for Tier 4 is 25 hp and below. So no the 1023E will stay the same and the 1025R will not have to change. If either were to be full Tier 4 in the above 25 HP class they would have to get DEF tanks or some kind of elaborate emissions system. The 25 hp and below rule is the reason the 1026R went down .1 HP to a 1025R. This is what I believe, someone please feel free to correct me if I missed something or f'd up the story... :lol:


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That my understanding as well. Otherwise they would have left the designation. 1026. They derate it to keep from having to make it tier4
This is why they are derating the 2720 as well
 

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The 1026R was/is Tier 4 Interim. The "new" cutoff for Tier 4 is 25 hp and below. So no the 1023E will stay the same and the 1025R will not have to change. If either were to be full Tier 4 in the above 25 HP class they would have to get DEF tanks or some kind of elaborate emissions system. The 25 hp and below rule is the reason the 1026R went down .1 HP to a 1025R.
Yup, What he said ^^^^:good2:

That my understanding as well. Otherwise they would have left the designation. 1026. They derate it to keep from having to make it tier4
This is why they are derating the 2720 as well
I haven't heard of the new 2R series being derated as well. JD still hasn't posted the info yet. The going consensus is the 2720 will be renumbered to 2032R.
 

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Yup, What he said ^^^^:good2:



I haven't heard of the new 2R series being derated as well. JD still hasn't posted the info yet. The going consensus is the 2720 will be renumbered to 2032R.
well...what can I say....but I'm a nitwit :slap-yourself-emoti Thanks for the correction!:thumbup1gif: Last I had read was speculation that the 2720 was going to be derated . I am so glad its not! But....I bet its going to increase in price quite abit:dunno:
 

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well...what can I say....but I'm a nitwit :slap-yourself-emoti Thanks for the correction!:thumbup1gif: Last I had read was speculation that the 2720 was going to be derated . I am so glad its not! But....I bet its going to increase in price quite abit:dunno:
I don't know for sure myself. JD is very tight-lipped about this kinda stuff. However,I'd bet you're 100% correct, there will be a considerable price increase. :lol:
 

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Actually the 1025r is what edged me to go ahead and buy now. I was going to wait till summer but was worried the 1025r would be out. I didn't want to pay more for less eng hp. Not that it is much but the price was a little also. So I went ahead and bought a 1026r last week. It is a great tractor.

On one of the posts here someone posted a link that you could find when your tractor was built and other info. I'm not able to find it anymore, does anyone have it?
 

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On one of the posts here someone posted a link that you could find when your tractor was built and other info. I'm not able to find it anymore, does anyone have it?
No link that I am aware of, only a dealer can tell you that info by running the serial number.
 

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1025R uses Yanmar 3TNV80 and 1026R uses Yanmar 3TNV76 and the specifications look identical displacement 68 cu in. bore and stroke 2.99 x 3.23 and compression are both 23.5:1. But the 1026R has 25.2 HP and the 1025R has 24.2 HP according to JD literature. A difference of 1 HP due to EPA at work. I could not find any Yanmar specs for the new 3TNV80. What is different between the two engines?

The 1023E is now a much closer match up to the 1025R with 22.4 & 24.2 HP. This is less than 2 HP difference. The 1023E specs 23.5 HP in the JD sales brochure when I got mine. That would make the 1023E and 1025R even closer at 0.7 HP difference.

Yanmar specs the 1023E & 1026R with quite a bit more torque and HP than JD now says. But some of the earlier 2011 JD literature matches Yanmar specs. My earlier post list Yanmar specifications. Is this just playing with numbers to meet Tier 4 and still maintain power difference between models?
 

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Yup, what he said.:good2: Soon there will only be the 1025R and 1023E.
Soon, the 1026R will be rare due to its low production numbers and then I'm going to sell mine on Ebay for a huge profit!:mocking:
 
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The 1026R was/is Tier 4 Interim. The "new" cutoff for Tier 4 is 25 hp and below. So no the 1023E will stay the same and the 1025R will not have to change. If either were to be full Tier 4 in the above 25 HP class they would have to get DEF tanks or some kind of elaborate emissions system. The 25 hp and below rule is the reason the 1026R went down .1 HP to a 1025R. This is what I believe, someone please feel free to correct me if I missed something or f'd up the story... :lol:

DEF on a tractor, good grief that would be crazy. It will go like this "Sorry honey, I can't come in for supper because the tractor is doing a regen and the exhaust temp. is 800 degrees so I can't park the tractor in the barn just yet".:gaah:
 
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The HP difference between the 1025R and 1023E is only 1.8 HP for the 2013 model. I would guess torque curves are broader on the 1025R.

Yanmar spec's on the 1026R as #3TNV76-CSA (25.1 HP @ 3200 RPM) net, and Max. Torque (ft-lb)
49.1 @ 2300 rpm.

Yanmar spec's on the 1023E as #3TNM72-AMW (23.6 HP @ 3600 RPM) net, and Max. Torque (ft-lb)
40.9 @ 2600 rpm.

I could not find any Yamar spec's on the #3TNV80 usage in the 1025R. I did find that JD and Yanmar spec thing differently.
According to the new JD sales brochure the 1025R uses the Yanmar #3TNV76 engine not #3TNV80 as indicated previously. Power rating is labeled as 23.9 HP

The same new JD sales brochure has the 1023E down from 23.5 to 22.4 HP.
 

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