1310 Questions for the D series Folks...

Discussion in 'General IH Tech' started by BigRigg, Aug 29, 2018.


  1. BigRigg

    BigRigg Y-Block King

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    Hi All,
    I have my eye on a 1310. But I have a few questions before I take the plunge.

    First off, is there a frame difference from an 2wd 1110 and 4x4 1310? Are there cab differences? It seems that the 1310 sits higher from the frame than the 1110, but It could just be the bumpers throwing me.

    Here is what I would like to do, and I want to know if it's feasable....

    The 1310 is a dually/flatbed, and I would really like to put the springs/axles under my 1210. Further, I would like to take the bed from this 1310, and stick it on my 1210. I would swap axles/springs from my 1210 and the 1310.

    I would also like to take the bed off my 1110, and stick it on this 1310 (now a 1210) to make it a 4x4 Pickup.

    The rest of the 1110 would be put to good use on further projects.

    Thanks guys!
     
  2. 1975IH200

    1975IH200 Y-Block King

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    I don't see any problems with that plan.
    Frames are the same.
    Cabs are the same.
    Do it.
    Take pictures.
     
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  3. BigRigg

    BigRigg Y-Block King

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    Excellent! Will do!!!
     
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  4. stroker3

    stroker3 Lives in an IH Dealership

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    Not a big deal but just something to be aware of with FA swap. With at least some of the 1310 4x4's there is something with how the front wheels sit in the wheel well. My wheels looked set back in the fender. IIRC, it has something to do with the front springs/axle. There's some differences over the 1100/1200's. I think it's either the 1310's springs are slighlty shorter or FA is mounted a little further back. Maybe a combination of both. I don't know. The tie rod was also opposite of the 1200's .
     
    Last edited: Aug 29, 2018
  5. BigRigg

    BigRigg Y-Block King

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    All good to know. If I move forward with the 1310, I will be sure to document the ih shuffle here.
     
  6. Howard Pletcher

    Howard Pletcher Farmall Cub

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    Just to clarify something, the frames are dimensionally the same, but a 1310 frame has a higher section modulus--it's stiffer to handle the heavier loads. I don't see that affecting what you are doing, but you can't make a half ton into a real 3/4 or 1 ton by just adding heavier springs and tires as some folks claim although they do get by with it.
     
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  7. stroker3

    stroker3 Lives in an IH Dealership

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    With a older vehicle it is one thing swapping something in to beef it up a little but my BIL did that, sort of, with a brand new 73 C10 short bed. He should have just went with the C20 but anyway. He added rear leafs and put on larger wheels and some very nice radial tires which were just coming into play back then. Empty it was horrible riding but the damn thing could really handle some weight. One thing though, with the larger/taller tires , it was horrible stopping, even empty. The power brakes on it were useless after he screwed with it. My old 65 D1200 with standard brakes was 10 times better. Guess what I'm getting to, much like towing, moving something is one thing, but stopping is something that no one thinks of until..........
     
  8. BigRigg

    BigRigg Y-Block King

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    This is excellent information. So the frames are not the same across the board. I wondered about that, but being IH, nothing surprises me.
    My main focus is my 1210. I'd be happy to leave it as it is, but adding 1 ton stuff to a really built up 392, just gives me goosebumps. The most I'll pull is probably a 20 car trailer with a field find on the back. But if I wanted to pull an rv or something it would be possible.
     
  9. J.J.

    J.J. Lives in an IH Dealership

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    Just my $.02 here, I am in the process of building a '73 2WD 1210 Travelette into a 4WD using GM axles. It was ordered and in the highway dept fleet from the state of OR. It does not have a bed, nor did it ever according to the LST. Long story short, there are no bed mounts on the frame and never were. Not a big deal if you can use the ones off of your donor. Cabs are the same, 69-73 Cabs would mount slightly different in the floor pan area. 74-75 uses a wider channel under there as well as 2 bolts vs the older ones are narrow and use 1 bolt. Also, depending on what year bed you're using the bed bolts directly to the frame in the front 74-75 vs the older ones have these "spring bolts" for lack of a better word (once you see one you'll see what I mean) and the mentioned front two frame mounts maybe not being there.

    I have a 500 cab on a 200 truck that transferred right over. Only difference that I discovered was the 500 cab steering column didn't have the provision in the column that crushes down if you are in a front end collision. I used it anyway no problem it bolted right up at the rag joint. If you want to use the larger flatter 1310 bumper then you will probably have to get creative with mounts, something is different at the front of the frames and I don't recall what it is except that I had to modify the brackets.

    Keep us posted!

    JJ in TN
     
  10. BigRigg

    BigRigg Y-Block King

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    I think I have decided to pull the trigger! It's a pretty clean truck with very little rust.

    JJ, can you take a look at your herd and tell me if all the frames are the same? I looked at my 1210, and 1110, both pickups, and the frame lifts up over the rear wheel and flattens out all the way to the end.

    I haven't look at the constable yet, with the service bed to see if its different. BUT! the 1310 I just looked at had a flat bed. The frame lifts over the rear wheels, but then drops down behind the axle and flattens out on a lower plane...
    Maybe the cab/chassis frames were different????
     
  11. 1975IH200

    1975IH200 Y-Block King

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    Well, before I replied, I perused the IHC Body Builder Charts & Diagrams.
    The frame section modulus for the 1200 and 1300 frames are all .18. (The 1100 is .15.)
    ONLY when you go to a Travelette with the long 156" or 164" wheelbase does the section modulus change to .21.
     
  12. BigRigg

    BigRigg Y-Block King

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    IS there anything in the book that talks about frames for cab and chassis, vs standard bed?
     
  13. 1975IH200

    1975IH200 Y-Block King

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    No. I'm assuming there is no difference.
    Only note is "dual tires not available with pickup body".
     
  14. J.J.

    J.J. Lives in an IH Dealership

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    With the exception of my 71 1210 Sno Star and ‘73 1210 Travelette all mine are 74/75.

    The frames on the 71 and 73 raise and go flat after the axles, close (note the slight bump down, that would be consistent of the differences between the years of how the pu beds mount) as this photo below of a ‘74 100:

    [​IMG]

    Here is the frame of the ‘75 500 that I took the cab and front sheet metal off and put on the ‘75 heavy 200

    [​IMG]

    The frame on my ‘75 10,000 gvwr is visually the same as the ‘73 1210 Travelette.

    I did look at a ‘72 1310 here locally not so long ago, I wanted to see how the pu bed mounted as he was putting a flat bed on, visually it looked the same as my ‘73 1210 Travelette.

    Synopsis: it’ll probably work, take the 1310 on a test drive, park them side by side and look.

    JJ in TN






    Sent from my iPhone using Tapatalk
     
  15. BigRigg

    BigRigg Y-Block King

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    Ok, guys!! I'm gonna make it happen!:banana:
     
  16. stroker3

    stroker3 Lives in an IH Dealership

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    Not meant to confuse anything, JJ has given you some very good info on the frames but I was loading some scrap today near a few frames and thought of this thread.
    The 65 2wd 1200 w/ utility bed and a 70 1100 4x4 w/pickup bed had frames the same as the 71 and 73 you discribed however the 71 1310 dually 4x4 stake body has the bump and drop over the axle something like your 74 100. Knew about the difference in the 1500 , never noticed the slight difference in the other frames. Not sure of the rhyme or reason, but it's there during the same years it seems.
     
    Last edited: Sep 3, 2018
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  17. BigRigg

    BigRigg Y-Block King

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    Yes, I took at look at my 71 1210 with the service body, and it has the bump.
    I'm not sure as to why there is that slight difference, but I really dont think it's going to be something that I cant overcome. I may have to do something to make the bed sit right on the 1310, but its not going to keep me up at night.
     
  18. J.J.

    J.J. Lives in an IH Dealership

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    You'll figure it out Josh. Ive got some different year beds out here too if you need some pic references.

    JJ in TN
     
  19. BigRigg

    BigRigg Y-Block King

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    Well, it took a while bit I finally grabbed that 1310. I am the 3rd owner. It has 20k original miles, and was a farm truck at Joplin farms for its whole life. It's been sitting a long time(last tagged in 85), and It will be a lot of work, but I look forward to it. The front passenger wheel is locked up, so getting it loaded was a chore. Good thing the po owns a wrecker service! Thanks Josey and scott for you help!! 20181020_172006.jpg 20181020_171932.jpg 20181020_171914.jpg 20181020_171843.jpg 20181020_172725.jpg 20181020_172016.jpg
     
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  20. J.J.

    J.J. Lives in an IH Dealership

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    Nice score Josh! Great work with the wrecker, now, how you going to get it off the trailer unless the guy followed you home....

    JJ in TN
     

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