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D6 stuck engine
D6 stuck engine
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Posts: 110
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17 years 9 months ago #1312
by beaver-flat
Hi, I finally got the old D6 in the shop and pulled the head off. The #3 cylinder was full of water, so I dipped it out and wiped it dry. The sleeve looks pretty pitted. Where do I go from here? Its a '39 D6-2h with the D6600 engine. Whats involved in pulling the pan? Just looking at it, the stabilizer spring needs to be removed and tractor supported?
I'm assuming I have to get the pan off and the rods loose from the crank, drive pistons out, and replace sleeves/rings.
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17 years 9 months ago #1330
by Old Magnet
Hello beaver-flat,
I'm really not all that familiar with the RD-6 but do have some information.
It probably would be best if you could link up with someone that has this model. I know that over the years there have been several owners posting on the BB's but it seems they have become disenchanted and left a long time ago. I don't know if there are any on ACME or not. From memory I believe Dave from Woodburn Or. has/had one, RD6Bill also.
The 2HD6 with the D6600 engine was a 5-3/4 in. bore by 8 in. stroke engine.
This bore/stroke combination was fairly common and is shared by the D342 stationary engine, the D339 (D7's), D8800 (early D7's), the D13000 (D8's) and the D17000 (stationary, railroad, marine and some other equipment applications).
I am thinking there may be shared parts from the more varied and later engines that will work on the 2H. I did look up the liner part number for the 2H and in the 2H1-2H3247 parts book it is a 2B3712. I looked in the 1H D8 (D13000) parts book (1H6852-1H999) and it is a different number. I don't believe I have all the matching era parts book to compare but I will take a look.
Rings should not be a problem as most anything is available by bore size.
As far as pan removal your observation sounds about right. Jack the tractor up sky high to clear the dropped spring and cross member and maneuver out past the oil pump. Oil pump or at least the suction bell may be removable through side cover in pan to get more clearance.
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17 years 9 months ago #1337
by Willie
Beaver: Dont get your engine confused . If yours is 1939 or has ser.no. above 2H5144 you have a D6 not a RD6 the number went earlier but the breaking pont ser. no. is unknown by ALL and the D339&D342 are engines built 25yrs later with diff designs and parts are not remotely close. Most all cly parts are interchangalbe with any 8800,13000&17000 engine most the changes in these engines were in the fuel system, filters ,enjection pumps, ect You should have problems finding part there are lots of them sittina round and not very desireale.That particular cyl being used in the RD6,D6,RD7,RD8&D8 along with 10s of 1000s of gensets and stat.engines built it is the most common Caterpillar engine part ever built
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17 years 9 months ago #1339
by Old Magnet
Willie,
Do you have parts book for the 39 model (sr # 6139-7370) so's he can get the liner part # and be able to do some checking.
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17 years 9 months ago #1342
by SpragueM
I am also going thru a D6600 engine out of a 1939 model 11 grader. Liners are available thru Regal @ 47.74 each. After trying to pull the stuck pistons thru the side covers, I pulled the entire engine. Glad I did as the cam was also stuck as was the oil pump. Keep this in mind.
Here's a link to a few pictures of my project.
www.antiquecaterpillar.net/ACF_v2/showth...6304&highlight=d6600
Matt
RD4,RD6 ,D73T, #11 Grader, 977F
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17 years 9 months ago #1344
by Willie
Om; I tried posting the page but it did'nt happen imagine that. Yes i have the book I have every parts book for everything that Cat made from their start thru 1925-1960. part no. for liner-2B6463,
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17 years 9 months ago #1345
by SpragueM
The part number that I gave for the Regal cross reference was 2b3712.
Matt
RD4,RD6 ,D73T, #11 Grader, 977F
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17 years 9 months ago #1346
by Old Magnet
Are you sure on that number? It doesn't match anything I show for the D6600, D8800 or D13000.
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D6 stuck engine
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