Sledgehammer Posted May 30, 2022 Share Posted May 30, 2022 So I was looking at a 650 diesel add the other day and got to thinking. The 650 was the big dog of its day for IH. It was a 4cyl. After the 60 series came online we had 6cyl engines. The 650 gas had a 5.7L 4cyl according to tractor data. That is 350 cubic inches which is a fairly large displacement 4cyl. Question: What was the largest cube gas engine that IH used in a production tractor? Just for fun, I looked up a 766 gas and an 856 gas which were both smaller in displacement and 6cyl engines. Thoughts? Quote Link to comment Share on other sites More sharing options...
rustred Posted May 30, 2022 Share Posted May 30, 2022 the WD40 which was 461 cid before the super wd9's to 650's 350 cid . , they turned slower with a longer stroke and were definitly more powerful than the 350 cid which ran faster. the the newer tractor were running faster yet to get their h. p. 1 Quote Link to comment Share on other sites More sharing options...
mikem Posted May 30, 2022 Share Posted May 30, 2022 This is pretty good sized... http://www.tractordata.com/farm-tractors/000/4/0/404-international-harvester-7788-engine.html Mike Quote Link to comment Share on other sites More sharing options...
ihrondiesel Posted May 30, 2022 Share Posted May 30, 2022 9 minutes ago, mikem said: This is pretty good sized... http://www.tractordata.com/farm-tractors/000/4/0/404-international-harvester-7788-engine.html Mike It’s not gas though. Would the gas-start diesel 1091 count as a gas engine? Quote Link to comment Share on other sites More sharing options...
DR.EVIL Posted May 30, 2022 Share Posted May 30, 2022 3 minutes ago, ihrondiesel said: It’s not gas though. Would the gas-start diesel 1091 count as a gas engine? Ha-Ha. Yep, that 1091 Cid 6 cyl was biggest diesel OR gas. Guy around here has one mounted on an older IH running gear he tows around to fairs and tractor shows. Quote Link to comment Share on other sites More sharing options...
Binderoid Posted May 30, 2022 Share Posted May 30, 2022 30-60 Mogul 1885 c.i.d. 7 Quote Link to comment Share on other sites More sharing options...
ihrondiesel Posted May 30, 2022 Share Posted May 30, 2022 (edited) 18 minutes ago, Binderoid said: 30-60 Mogul 1885 c.i.d. I figured someone would come up with a rather early, slow turning, BIG engine. Edited May 30, 2022 by ihrondiesel Changed wording Quote Link to comment Share on other sites More sharing options...
bauerj Posted May 30, 2022 Share Posted May 30, 2022 IH did produce the PA-100 in the 1930’s. 5 inch bore. 5.5 inch stroke. 6 cylinder. 648 ci. Not a slow speed engine. Quote Link to comment Share on other sites More sharing options...
Alan Dinan Posted May 30, 2022 Share Posted May 30, 2022 Dad had an old IH road tractor with a big gas engine. Don’t remember much about it, but it was much bigger than a 345 Quote Link to comment Share on other sites More sharing options...
Sledgehammer Posted May 30, 2022 Author Share Posted May 30, 2022 17 minutes ago, Alan Dinan said: Dad had an old IH road tractor with a big gas engine. Don’t remember much about it, but it was much bigger than a 345 I know there was a 549 V8 and without looking possibly another larger one maybe? I wasn’t really thinking about a road tractor but those would also be interesting. Quote Link to comment Share on other sites More sharing options...
bitty Posted May 30, 2022 Share Posted May 30, 2022 650 had the 350, 600 had 325 , I didn't know anything about the older ones than that. 806 had 301 in the newer tractors is what I recall Quote Link to comment Share on other sites More sharing options...
dale560 Posted May 30, 2022 Share Posted May 30, 2022 Not to change subject but I have always been fascinated by those big old gas truck engines. Hall Scott had a big over 1000 cubic inch 6 and a bigger v12. The 6 cylinder made over 1300 lb ft of torque and 400 hp for back in 1940. They would outpull any diesel of the day. Over head cam and Hemi chamber also 5 1 Quote Link to comment Share on other sites More sharing options...
sandhiller Posted May 30, 2022 Share Posted May 30, 2022 29 minutes ago, Sledgehammer said: I know there was a 549 V8 and without looking possibly another larger one maybe? I wasn’t really thinking about a road tractor but those would also be interesting. 8 minutes ago, dale560 said: Not to change subject but I have always been fascinated by those big old gas truck engines. Hall Scott had a big over 1000 cubic inch 6 and a bigger v12. The 6 cylinder made over 1300 lb ft of torque and 400 hp for back in 1940. They would outpull any diesel of the day. Over head cam and Hemi chamber also Not meaning to keep your thread off the tracks Todd but here is my '56? 220 with 549 and 5x3 trans. 5 Quote Link to comment Share on other sites More sharing options...
Sledgehammer Posted May 30, 2022 Author Share Posted May 30, 2022 16 minutes ago, sandhiller said: Not meaning to keep your thread off the tracks Todd but here is my '56? 220 with 549 and 5x3 trans. It’s related discussion and that’s what we are here for. Carry on! If you were my neighbor I’d be trying to talk you out of that 😊 1 3 Quote Link to comment Share on other sites More sharing options...
Alan Dinan Posted May 30, 2022 Share Posted May 30, 2022 Dad’s truck was a ‘68, I think. It looked like this one, but red. 1 Quote Link to comment Share on other sites More sharing options...
bitty Posted May 30, 2022 Share Posted May 30, 2022 1 hour ago, sandhiller said: Not meaning to keep your thread off the tracks Todd but here is my '56? 220 with 549 and 5x3 trans. 1 hour ago, Sledgehammer said: It’s related discussion and that’s what we are here for. Carry on! If you were my neighbor I’d be trying to talk you out of that 😊 Todd you can put a RV body on it and squeeze a pair of 500 gallon saddle tanks on it ..... 🤕👀😁 2 2 Quote Link to comment Share on other sites More sharing options...
sandhiller Posted May 30, 2022 Share Posted May 30, 2022 7 minutes ago, bitty said: Todd you can put a RV body on it and squeeze a pair of 500 gallon saddle tanks on it ..... 🤕👀😁 Just so he has it done in time for RPRU 2023! 😄 3 Quote Link to comment Share on other sites More sharing options...
Sledgehammer Posted May 30, 2022 Author Share Posted May 30, 2022 17 minutes ago, bitty said: Todd you can put a RV body on it and squeeze a pair of 500 gallon saddle tanks on it ..... 🤕👀😁 And there the project stops because I couldn’t afford the cost of 1000 gallons of fuel due to......well...... you know.... 1 Quote Link to comment Share on other sites More sharing options...
sandhiller Posted May 30, 2022 Share Posted May 30, 2022 9 minutes ago, Sledgehammer said: And there the project stops because I couldn’t afford the cost of 1000 gallons of fuel due to......well...... you know.... But it gets such a w e s o m e gas mileage🙄 🤪 😆 Fill it on Sunday, drive it all week😄 Maybe I'm confusing that with one of Mike's Marlins😉 2 Quote Link to comment Share on other sites More sharing options...
hobbyfarm Posted May 30, 2022 Share Posted May 30, 2022 2 hours ago, dale560 said: Not to change subject but I have always been fascinated by those big old gas truck engines. Hall Scott had a big over 1000 cubic inch 6 and a bigger v12. The 6 cylinder made over 1300 lb ft of torque and 400 hp for back in 1940. They would outpull any diesel of the day. Over head cam and Hemi chamber also A new definition of overloaded.👍 1 Quote Link to comment Share on other sites More sharing options...
bitty Posted May 30, 2022 Share Posted May 30, 2022 1 hour ago, Sledgehammer said: And there the project stops because I couldn’t afford the cost of 1000 gallons of fuel due to......well...... you know.... I wanted to laugh and cry at the same time about this statement, mostly the latter 2 Quote Link to comment Share on other sites More sharing options...
Ihfan4life Posted May 30, 2022 Share Posted May 30, 2022 1 hour ago, Sledgehammer said: And there the project stops because I couldn’t afford the cost of 1000 gallons of fuel due to......well...... you know.... 21 minutes ago, bitty said: I wanted to laugh and cry at the same time about this statement, mostly the latter Squirrel! 😂 3 Quote Link to comment Share on other sites More sharing options...
Big Bud guy Posted May 30, 2022 Share Posted May 30, 2022 I believe IH made a few T-14 crawlers and they were 460 in” 1 Quote Link to comment Share on other sites More sharing options...
12_Guy Posted May 31, 2022 Share Posted May 31, 2022 It looks like the Moguls will win this discussion with over 1800cid. All those cubes in two cylinders too. Thank goodness they don't sound at all like the other green two cylinder tractors. 4 Quote Link to comment Share on other sites More sharing options...
Steve C. Posted May 31, 2022 Share Posted May 31, 2022 8 hours ago, hobbyfarm said: A new definition of overloaded.👍 I'd not have wanted to be in that pickup sitting beside the log truck. 2 Quote Link to comment Share on other sites More sharing options...
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