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HD11 Question....

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Kevin Pruitt

11-18-2000 05:14:10




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I recently bought a HD11E (ser#HD11E-10439). There is a small oil tank under the rear of the oil pan that has a pickup hose on the left side (looking foreward) that goes somewhere under the injector pump, and a return on the right side.

Any clues as to what it is and what type of oil it uses? My manual is for a "B" model, ..... no little oil tank there.

I need to know soon as I am rebuilding the bottom end and hope to have it up soon....


Thanks...

Kevin

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hector gemme

02-10-2005 12:06:41




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 Re: HD11 Question.... in reply to Kevin Pruitt, 11-18-2000 05:14:10  
HI I HAVE SOME HD11 USE PARTS



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Mudcat49 in Indiana

11-21-2000 06:01:44




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 Re: HD11 Question.... in reply to Kevin Pruitt, 11-18-2000 05:14:10  
Might be the pump for the oil clutch.



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Lee Bradley

11-20-2000 10:56:20




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 Re: HD11 Question.... in reply to Kevin Pruitt, 11-18-2000 05:14:10  
Could it be a hydraulic pump? I think AC started going to rear drive pumps about this time.

Lee



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OzDozer

11-18-2000 18:05:39




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 Re: HD11 Question.... in reply to Kevin Pruitt, 11-18-2000 05:14:10  
Kevin - This one is a bit of a puzzle. I don't recall a tank in this area.
First, let's have more info. You say you have a HD11E - I presume you mean a manual transmission? Because they also had the HD11EC (converter drive) and the HD11EP (powershift).
I have a sales brochure from this era, and on the engine picture, it clearly does not show an oil tank in this area.
I have checked out the options and accessories angle, and nothing shows there, either.
Does it look like it is factory? There may be a possibility that it is an add-on.

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bill

11-18-2000 16:18:35




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 Re: HD11 Question.... in reply to Kevin Pruitt, 11-18-2000 05:14:10  
Got to discuss.ibdozing.com. In the Allis Chalmers forum post your question or ask Ozdozer there the question. He used to run a lot of the HD11 crawlers in Australia.

If it were direct drive I could tell you just about anything on that machine. I recently ran into someone with an HD11E manaual (service) Let me see if he still has it. Would you be interested in trading the B manual for the E manual if I can get it

Are you rebuilding the U/C when you talk about rebuilding the bottem end?

Thanks

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Kevin Pruitt

11-19-2000 04:09:00




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 Re: Re: HD11 Question.... in reply to bill, 11-18-2000 16:18:35  
Thanks for the replies. My HD11E is direct drive..no converter. The oil tank is aluminum, and I suppose it could be an add on, but if it is it's some type of "factory" add on. (it's all aluminum, not AC yellow). It has 2 bolts going vertically into the oil pan at the rear, and 5 bolts horizonilly (facing front) going into the flange between the oil pan rear and the flywheel housing.....The holes it mounts to are definately factory. What I deem the "pickup" hose is on the left side (facing front), and is a high pressure type hose going into the engine directly below the injector (governor) area. The "return" is about 2" (non high pressure) returning on the opposite side, but I don't recall where it leaves the engine. (I'll check today when I'm over there).

Yes, I would be interested in trading my "B" model manual for an "H" model manual, as there are quite a few differences between the two models. (ie. dash assambly, clutch brake, steering clutch assemblies, etc...) My manuel is new, as I just bought it off the net.

Thanks again for any/all help..

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Kevin Pruitt

11-24-2000 02:48:34




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 Re: Re: Re: HD11 Question.... in reply to Kevin Pruitt, 11-19-2000 04:09:00  
Lot's of "maybe's" and "might be's" on this little devil, huh? Anyway, upon further studying of the "box" (probably the pump) below the injector pump, I do see a few more lines coming out of it. One goes down the left (looking foreward) frame rail and somewhere into the transmission (rear ends?), and it looks like one crosses below the radiator to the right side and dissapears into the muck in the bellypan....

It's pretty grubby down in there, and it's definately not in optimal conditions to steam clean it at the moment, so it's hard to get a defenate where the lines go. I'm trying to walk her to the barn to pull the motor and give her a fresh bottom end, but she's fighting it all the way. (most recent problem, she ran herself outta fuel walking down a steep grade heading towards the barn....)

I was in the bottom end about a week ago to put rod bearings in her, but after checking the crank I decided she needs turned down .010. She was sitting on a mountian top for that project, but since then winter has dug in, and a barn in the valley soundes like the best place to pull the engine, so I put std. bearings (new) back in to get her outta the weather. She's pretty noisy in the bottom end right now, so I'm creeping here there at an idle. I'm about 500 yds from the barn, so I'm going over there today and try to walk her the rest of the way.

Any idea's on the weight of the engine? I've got an old Case with a loader bucket I'm going to try to use to pull the engine, but it ain't the biggest Case around, so I guess I'll see what happens. If not it's fab a trolly system on a beam to get her out. (ain't like the ol pick up that ya raise the engine and roll the truck back, is it?)


Anyway, I'll trace the hoses down here shortly, but before she's up again I'll need to know what to put in the little oil tank.

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bill

11-19-2000 12:34:19




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 Re: Re: Re: HD11 Question.... in reply to Kevin Pruitt, 11-19-2000 04:09:00  
Wonder if this is an accessory tank for rear mounted hydraulic equipment. Going into the engine would not make sense for any of the transmission or powershift components. They pump their own.

Do you have an estimated size in gallons?

I do not think that it would be a separate oil resevior for the turbo. AC to the best of my knowledge did not every do that on any of their engines.

Oz thanks for picking up on this question.

Like the older Detroit engines you could hang stuff off of the cam shafts and have all sorts of hydraulic accessories, hour meters ect. Was sort of handy on those engines that way.

wk

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