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Buda 516 Parts Availability

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wjohn View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wjohn Quote  Post ReplyReply Direct Link To This Post Topic: Buda 516 Parts Availability
    Posted: 13 Jun 2021 at 7:47pm
I do not see many parts or rebuild kits listed as fitting the original 516 engine, as used in the early HD-11 and I think some graders. I see plenty of kits and parts still available for the later 11000 engine.

Will 90% of the parts from an 11000 "deep cup piston application" rebuild kit interchange, or are folks with the old Buda 516 engines out of luck?
1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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steve(ill) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2021 at 9:14pm
John, if you dont get an answer here, you might call this distributor and talk to them..





Like them all, but love the "B"s.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian Beale Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jun 2021 at 5:12am
It is a while since I was dealing with this area of an Allis Forty Five so IIRC.

The early Lanova injection ones were flat top pistons.  They squirt the fuel across the top of the piston into the "magic cavity".  A dish in the piston might work as a dead space but (IMO) better someone else has found that first.  10000 on engines used dished pistons.

The early ones have thrust built into the bearing shells and were getting hard to find back  then.  I'd guess the block could be modified to take separate thrust washers.

Comments via Red Power suggest that Reliance kits ought only be used with the supervision of a good rebuild shop
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wjohn Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jun 2021 at 9:43pm
Steve, I haven't tried calling around yet, but it's hard to find anyone that knows much about the early engines. You are right I should probably see what they say.

Ian, thanks for the info. I did not realize the originals were flat top. I see in the Mahle catalog that they list the shallow cup pistons for the HD516. I found a parts manual on Minnpar and it looks like the bottom end connecting rod bearings are the same from 11000 back to the HD516, but the top bearing and piston pin PNs are different. I suspect they may be different diameters. Mahle does not mention having to change connecting rods out if replacing pistons so I'm not sure how accurate their catalog is for the HD516. I'm wondering if you convert to newer connecting rods (Reliance shows as available for 11000?) if you can then use the shallow cup pistons and newer piston pins. I suppose I'd need to verify compression height and volume.

Stumbling across that Minnpar manual scan was pretty helpful. Looks like head gaskets are at least common between the two engines. The middle crank bearings as you mentioned Ian are unique to the HD516 and I assume NLA. Wonder what it would take to modify the block to use thrust washers. Looks like the newer cylinder sleeves may work in old. Valves and guides are totally different part numbers and likely NLA for old.

Lots to ponder here. I am debating trying to take on a project with one of these engines that is probably in need of a rebuild. Lack of parts is definitely factoring in.
1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CAL(KS) Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2021 at 7:21am
if the 516's are like the 844's,  the early lanova engines use same sleeve as newer numbered engines because the block is virtually unchanged.  the piston designs and wrist pin size changed and on the big engines  the mains and rod ends changed sizes  with different rod lengths.
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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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian Beale Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2021 at 10:11pm
Some part numbers between  AC Forty Five grader (Lanova - injectors on side of head) and AC 45 (10000 Series with overhead injectors)

  Forty Five 45

Con rod       4348451 4336201

Rod Bearing 4335403 4335403

Head gasket 4347798 4336430
(Front)

Piston    434743 4336512

Sleeve    4348072 4348072
 
There was a change in crank thrust arrangement at Lanova Engine #45-1670 to separate crank thrust washers.  These have a retaining pin.  I have no idea about when this would have happened but would guess it was similar for HD 11.  No idea on what might be needed to change - if lucky only the pin, if luckier it will all be there.  I can't give you a guess at year as graders assembled in Australia have different serial numbers to North America and we tripped over a short block so I haven't seen what is in it.

The graders with Lanova engine have a belt driven supercharger and the front housings, front cam bearing and camshaft are different from HD 11.

Lanova injection aims the fuel stream from the horizontal injector at the "air cell" on the opposite side of the cylinder across the flat top of the piston.  I'd be doubtful is that aim would be helped by having the dish in the piston intended for direct injection causing swirling on the way.

IIRC the thread for the cover nut on the injectors is 22 x 1.5 mm, which cuts neatly into a piece of 3/4" water pipe to make a slide hammer connection.  And you and an angle grinder with a thin cut-off can make an official special tool for the injector pipe nuts on the pump out of a long impact socket which makes that easier.




Edited by Ian Beale - 18 Jun 2021 at 10:40pm
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TramwayGuy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TramwayGuy Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2021 at 8:05am
Non flat-top pistons in a Lanova engine would likely result in very low compression.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian Beale Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2021 at 6:44pm
I'd agree on the compression question  

And I'd suggest checking the heads for cracks first.  We got our short block from  the closing down of a long time Allis dealer who built it but never got a good pair of heads to finish it as a long motor.  We got 2 good ones out of 5.

And the injection pump as it is an American Bosch  "PSB" with parts made of "unobtanium".  And the warning is that if it has sat unused to check THAT THE PUMP IS FREE BEFORE TURNING THE ENGINE.  Otherwise some of the internal parts like the plunger in the head can get broken.  


Edited by Ian Beale - 19 Jun 2021 at 6:53pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wjohn Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jun 2021 at 9:27am
Originally posted by Ian Beale Ian Beale wrote:

There was a change in crank thrust arrangement at Lanova Engine #45-1670 to separate crank thrust washers.  These have a retaining pin.  I have no idea about when this would have happened but would guess it was similar for HD 11.  No idea on what might be needed to change - if lucky only the pin, if luckier it will all be there.

Lanova injection aims the fuel stream from the horizontal injector at the "air cell" on the opposite side of the cylinder across the flat top of the piston.  I'd be doubtful is that aim would be helped by having the dish in the piston intended for direct injection causing swirling on the way.

The HD-11 parts list says crank thrust washers started showing up in engine 10-4980. I'm not sure where that falls in with regards to years, either. I see a reference to engine 10-4331 being tractor #4415 so that is probably a good reference point. That would be around 1959 according to the year/serial number list I have.

If there are no alternative pistons available new then this is probably a sign that if I make an offer on this thing, it's basically going to have to be for scrap at best. I have to factor in the cost and effort of locating a newer 11000 series engine or maybe a Detroit, since the engine is most likely rusted solid.
1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wjohn Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jun 2021 at 9:33am
Originally posted by TramwayGuy TramwayGuy wrote:

Non flat-top pistons in a Lanova engine would likely result in very low compression.

Anyone know if the newer 11000 series rods measure any longer than the HD516 rods, or if the piston compression height is taller on the 11000 series pistons? That's the only way I could see it making that up - although there may not be enough difference in those items to account for that loss of compressed volume from that dish.
1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wjohn Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jun 2021 at 9:38am
Originally posted by Ian Beale Ian Beale wrote:

I'd agree on the compression question  

And I'd suggest checking the heads for cracks first.  We got our short block from  the closing down of a long time Allis dealer who built it but never got a good pair of heads to finish it as a long motor.  We got 2 good ones out of 5.

And the injection pump as it is an American Bosch  "PSB" with parts made of "unobtanium".  And the warning is that if it has sat unused to check THAT THE PUMP IS FREE BEFORE TURNING THE ENGINE.  Otherwise some of the internal parts like the plunger in the head can get broken.  

Thanks for the warning on the heads. That would be another thing that could kill a rebuild of this engine... Trying to find a good used one may be effectively impossible.

I think the engine itself is stuck enough that it'll keep the pump from turning... But I have definitely read the warnings about checking the pump first on these. Prior to the forum I wouldn't have known.
1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gemdozer Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jun 2021 at 5:02am
You could removed the front pump drive shaft and could loosed the motor drain plug for checking if he has coolant in oil and check the startor if he is't brooked and try turning motor by the ring gear with a big screw driver and check if the hydrolic lever is't angaged and I could help with some used parts and MINN PARTS should have some new parts for.
                         
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian Beale Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2021 at 5:29am
gemdozer

At least the AC 45 version the pump bolts on the back of the timing case without an open drive shaft.

wjohn  You ought to be able to use 10000 or 11000 series as an exchange.  11000 being turbo'd might invite you to explore the availability of parts further down the drive line though

And IIRC there was a posting on here earlier of using another Allis engine - I think it was Lazyts (spelling) and might have been a 3500
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian Beale Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jun 2021 at 5:12pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wjohn Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jun 2021 at 10:46pm
Ian, I had seen the combine 11000 engine swap on here previously... Forget who it was that did that. I live in the heart of Gleaner territory so that could be an option. I still have concerns that it may be easier to get parts for a Detroit Diesel 30 years from now than for the 11000 but who knows. Either way this will have to be cheap if it needs an engine.

I recently saw in a thread on the Farm Equipment forum that Fred in Pa mentioned he does not use the Reliance diesel head gaskets anymore, but still uses the gas ones. I got a Reliance kit for my WD but have yet to start putting the engine back together. You do have to be really careful with aftermarket parts these days but sometimes that's all there is available. I wonder how much of AGCO's parts are repackaged Reliance.
1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian Beale Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2021 at 8:15pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian Beale Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2021 at 9:59pm
Found the Lazyts thread

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