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IH Steve 
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Joined: 20 Apr 2023
Location: Trenton Ky
Points: 22
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 Topic: Installing 7G turbo on an HD6G?
Posted: 03 Oct 2023 at 4:56pm |
Hi everyone Did anyone ever install a turbo on an HD6G off of a 7G? Do you know if it will fit on, I think the engines are the same so I'm thinking it'll work. I'm tired off trying to push dirt and not having enough power, I like having plenty of power when I'm doing something like that. How much more power can I get with a turbo on it? Does anyone have parts available to do this? Would I need the intake and exhaust manifolds or could I use the existing intake manifold and just run a pipe from the intake to the turbo? It had a rusted out muffler on it and not a cast iron manifold. Also my track pads are worn down pretty bad I'm thinking to put rebar on them. Any information would be appreciated. Thanks, Steve 
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200Tom1
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Joined: 03 Jun 2019
Location: Iowa
Points: 1222
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Posted: 03 Oct 2023 at 9:00pm |
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I don't know about the turbo but welding up the track pads has been done many times. You will need it because your machine will have a tendancy to slip the tracks. I put a motor out of a crawler tractor in my 6G. It put out a lot more HP than the 6G motor. It was fun to operate after I got it together.
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DrAllis
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Joined: 12 Sep 2009
Points: 20526
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Posted: 04 Oct 2023 at 4:49am |
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Generally, adding a turbo by itself gains little, if any HP. Once the turbo is installed the fuel delivery has to be increased to gain more HP. Increasing the fuel without a turbo only gets you more smoke, not HP.
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CAL(KS)
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Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3786
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Posted: 04 Oct 2023 at 8:46am |
consider that the early 344 engines (HD6 and 6g) were lanova cycle (indirect injection with air cells) later direct injection was utilized and these were the 6000 series. adding a turbo and it was the 7000 series engine with power increases to go along. the early 7g had the 7000 engine and then upgraded to the 2900? (301) as the 7gb? same as 190xt tractor etc.
it could easily be installed, whether it would help much or function correctly i couldnt say. ive wondered this myself when running my early 6g chuggin smoke when working, if a turbo would clean it up. a lanova engine will have more compression. when AC engineers installed the turbo on the D19 tractor, they reduced the compression compared to the D17 non turbo. different engine but also an indirect lanova cycle
also consider a 6g is clutch/gear drive and welding grousers will increase engine loading and shock loads to the driveline
but would it be cool? YES
Edited by CAL(KS) - 04 Oct 2023 at 8:47am
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 31098
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Posted: 04 Oct 2023 at 8:58am |
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Injection pump CC delivery is Higher on Turbocharged engines. Simple point of fact all a Turbo on the older engines did was add a little more air so fuel would burn cleaner and to compensate for varied sales altitudes.
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IH Steve
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Joined: 20 Apr 2023
Location: Trenton Ky
Points: 22
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Posted: 04 Oct 2023 at 10:14am |
Hey, you guys disappoint me! I thought installing a turbo gives you more power. I know of people who put a turbo on any diesel to get more power, I thought it would work the same on my 6G. I've got the service manuals for both the 6G & 7G and the engines look identical except one has a turbo and the other does not, the 7G's got more power so why wouldn't that give the 6G more as well? Mine is a later model like early 70's (serial # 37A23442) The fue injection pump has 7G in front of the serial number, don't remember the rest of it so maybe a 7Gs pump on there? I had put a few posts on here a few months back when I was trying to get it running. I've used it quite a bit and it works awesome, fun to use too.  Steve
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DrAllis
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Joined: 12 Sep 2009
Points: 20526
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Posted: 04 Oct 2023 at 10:58am |
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It takes FUEL to make HP, not just air. If your engine is a little overfueled now (lots of smoke) you probably will see some HP improvement, because it is lacking in air to completely burn all the fuel being delivered. That's just the way it is.
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Codger
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Joined: 23 Dec 2020
Location: Utopia
Points: 2041
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Posted: 04 Oct 2023 at 11:36am |
With increased fuel comes increased exhaust heat. Basic turbocharging induces more air under above atmospheric pressure allowing more fuel to burn completely. However, increase the fueling rate and induce more air to burn the fuel drives exhaust temperature up and shortens engine life. This is where inter, or aftercooling comes into play. You will increase output power but this air/fuel ratio must be kept balanced or engine destruction occurs. Best tool to install is an exhaust perimeter and watch that needle when using the engine power. Keep it out of the "red" zone, or under about 1100 degrees and the engine will deliver an acceptable service life.
You would probably be best served by upgrading the oil pump to a higher flow rating also as the turbocharger needs it's center bearing pressure lubricated by engine oil and factory oil pumps may not be up to the task.
This is not the bolt on and go the internet will lead you to believe. The package must be balanced and calibrated to attain the balance or it's a short time till a good engine is scrap iron.
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That's All Folks!
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exSW
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Joined: 21 Jul 2017
Location: Pennsylvania
Points: 914
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Posted: 04 Oct 2023 at 1:30pm |
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You add fuel untill you run out of turbo. Not the other way around.
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Learning AC...slowly
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Dozer987
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Joined: 08 Aug 2023
Location: West Almond, NY
Points: 21
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Posted: 06 Oct 2023 at 7:41am |
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You have the Hd344 motor. There are improvements made to the 6000 and 7000 (turbo) motors. I used the turbo, exhaust, and intake system from a 7000 motor on my 6000 motor. It was cool but it did not increase HP that I noticed. If I remember correctly the oil cooler is different and I think the camshaft and fuel timing is different. If you could get a complete 7000 motor it would be cooler.
Pun intended
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IH Steve
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Joined: 20 Apr 2023
Location: Trenton Ky
Points: 22
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Posted: 06 Oct 2023 at 12:09pm |
I'll put a turbo on there if I find one that's not to expensive, I want to replace the manifold anyway the muffler was rusted out so I made a manifold for it out of square tubing but I don't really like it. The engine is in excellent shape, it starts and runs very good, there's no reason to replace the engine. I love doing something like that anyways, just for fun. But if someone has a 7000 engine they want to trade with my 344 I might be interested...... maybe. If I do put a turbo on it I'll let you know how it turned out. Steve
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HD6 Merv
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Joined: 03 Aug 2010
Location: New Zealand
Points: 480
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Posted: 06 Oct 2023 at 12:53pm |
37A is late HD6G, and is definetly 6000 engine. These were 80 hp in HD6G. You should have ample power in a loader application. The 7000 engine in early 7G was 100hp. Has higher CC fuel deliverery, bigger oil cooler; quite possibly different cam from memory and other mods. Anything over a 22000 serial no has different bevel gear and bull gears to earlier dry backend HD6. So any of those gears will be harder to find, so be aware.
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tits tyres and tracks
they all cost you money
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Dozer987
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Joined: 08 Aug 2023
Location: West Almond, NY
Points: 21
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Posted: 08 Oct 2023 at 12:59pm |
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My mistake I thought that the exhaust manifolds that rusted out were only on HD344 motors and that all 6000 motors had cast iron exhaust manifolds. Sorry
The turbo on the 7000 motor is a Thompson model 317 service manual 644918
There is an art to selecting a turbo. If you pick one without using the science,
pick one from a motor with the same cubic inches and operating RPM range
Good Luck
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HudCo
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Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 3542
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Posted: 08 Oct 2023 at 10:44pm |
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what about the pistons what ones spray oil up on the bottom of the pistons to cool them
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IH Steve
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Joined: 20 Apr 2023
Location: Trenton Ky
Points: 22
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Posted: 08 Dec 2023 at 3:52pm |
Hey Guys, I bought that turbo for it, got it installed except air intake isn't hooked up yet. I'm trying to decide if I need a bigger air cleaner, probably do, right? I'm waiting on a new engine oil filter, so I haven't started it yet. 
Edited by IH Steve - 08 Dec 2023 at 4:03pm
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CAL(KS)
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Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3786
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Posted: 11 Dec 2023 at 7:37am |
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make sure to go with a paper element filter on a turbo application
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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