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Differences between Case 730 and 830

B

Bill Walters

New User
What are the main differences between these two tractors? Did they use the same engine design, with differences in the bore and stroke? Are all of the dimensions similar? Wheelbase, etc.?
 
early 700-800 were the same tractor except for transmission, 700 dual range, 800 Case-o-matic. When they went to the 730-830 they made the 830 with more HP. As our dealer referred to them as 60hp and 67hp. Don't remember the bore but many will chime in that know. If the decals were off most people couldn't tell them apart. My experience was with the Comfort Kings and both had dual range. Would like to have a CK with COM to pull stock.
 
In the gas tractors a 730 was 57 hp , With a 4" bore the 830 was 67 hp with a 4 1/4" bore And I believe they put a ballencer in the 830...Diesel is basicly the same , bigger bore on the 830. I have a 730 CK ant it has parts on it from the Big 400 series,(axel housing) And most of the parts on the 7/830 will swap. It looks to me , from looking at the engines in numorous 30 series tractors , that with a little patients you could turn a diesel into a gas, and vice versa...my 730 block has the boss for the injector pump machined already, I would just have to replace the heads/fuel system /pistons, as the rods on the 730 were the same for gas or diesel...
 
Blocks can be changed for gas and diesel. Heads need changed for sure. Cams are different. Rods and pistons can be used, in both gas or diesel.( a diesel would be a few less cubes if it pistons and sleeves are not changed. Everything else is there for it to work.
 
My 1962 730 gasser is a 251 engine , The 800 has a 267 Diesel , I think,? that is what is same for 400,700,730 and modern 770?? ,,. Please correct if not accurate ,... the 830 has a 301 engine , and the 930 a 451,,, Again PLEASE CORRECT ,,. Anyone ???
 
I'm responsible for the farm toy line from Ertl. Are you telling me would could take our 830 Case tractor toy and redecal it as a 730 and it would be correct? We plan to do a diesel NF model.

Thanks,

Bill Walters
 
Mr. Walters -

I have a few Case tractors myself and am a farm toy hobbyist as well. I noticed that a 1/16th scale Case 830 will be out in March 2010, but am wondering (hoping, actually) that 1/64th scale versions of some of the Case 30 series tractors will follow. Should I continue to hold out hope, or give it up?

I didn't want to stir up a big debate on this forum, and I've asked Jason Hastert this question over the years on his website. 1/64th is my preferred scale and Case is my preferred brand, particularly the tractors of the late 1950's and through the 1960's.

Thanks for your time!

Sincerely,

Lee Brown
Winchester, VA
 
Balancers were not in all 830s just the later ones. I do not know for sure but most twin stick tranny tractors have a balancer.Someone will have the serial no breakdown. It is the early casting blocks that do not have the mounting tabs.
 
I have a 1964, 830, S/N 8237805 and it has a balencer in it. I bought the tractor several years ago it vibrated alot. I pulled the pan and somebody had been there before me and had the balencer 1/4 turn off. It is no wander all the bolt holes in the sheet metal were worn large.
Gary
 
I don't know the answer to your question but sure would like to see a 400 model, the favorite tractor of Case dealers by far.
 
The later model diesels in both the 730 and 830 had the balancers. Early models did not. I would have to look in the parts books to get the s/n break.
 
Do you have anything to do with the precisions?
Still waiting for precision Case implements for the 930 and 1030. How about doing a rowcrop version of the 1030 with the factory cab?
 
Bill, yes 730-830 tractors are that close in looks you could do what you are saying,now can I add my two cents on the 40" anniversary black knight 1170 models that I got recently, the muffler on this new model is black-should be silver(chrome) the Cubes decal says 451 CUBES and is orange, this should say 451 TURBO and be in Gold like the rest of the BK decals,and the air cleaner intake on this model is like what a 1070 would have had, but a 1170 is turbo'd and had a total different air intake system, don't get me wrong it is a very nice model but a special edition model like this should be a little more special,I bought 12 of these toys and have them all spoken for already so we know there is a demand for CASE toys so keep them coming. Just an Idea,,,may you could ask on this board for people to sharpen a already good product maybe just add a little more detail, thank you for your time, if I can help in any way drop me a line." MERRY CHRISTMAS TO ALL" Tom
 
Another difference was that a 730 would have the lighter cast center rear wheel. The solid cast center like an 830 could be ordered when the dealer ordered the tractor in, just like ordering gas or diesel.
 
The main differences between these two tractors are the bore size,the transmission ring and pinion size, the 830 use a bigger bearing on the input shsft to thr pinion. The Wheelbase would be the same, If they have power steering the 830 has larger vain in the steering housing.
 
Bill, when are you going to do a 73-830 Comfort King version? There are many collectors including me who would like these models. Also the Super 400. I don't know about other folks but I quit buying the new tractors regardless of the brand. They just don't have the appeal of the 30's, 40's, 50's, and 60's.
 
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