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MDRin MN 
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Joined: 05 Jun 2010
Location: MN
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 Topic: Looked at an HD16B....engine question
Posted: 14 Oct 2021 at 9:44am |
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Based on serial # I would have expected this machine to have a 25000 model engine but instead has an engine with model # 16000T in it. I have not seen this model engine referenced anywhere and was wondering if anyone had any information on it. Thanks!!
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4 Bs, 1 C, 1 CA, WD45 and HD11E
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CAL(KS)
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Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3786
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Posted: 14 Oct 2021 at 10:21am |
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dont hold me to this 100% but basically the same engine with differences in power settings and supporting parts, piston pin sizes, oil cooling etc.
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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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MDRin MN
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Posted: 14 Oct 2021 at 10:26am |
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Thanks Cal. I have read as much but I have not yet seen a reference to a 16000T. I have seen references to the 16000 and the 16000H and was wondering what the T designation might mean? Thanks again, Mark
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4 Bs, 1 C, 1 CA, WD45 and HD11E
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MDRin MN
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Posted: 14 Oct 2021 at 10:41am |
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I guess my primary concern would be if this is really akin to a 'straight' 16000 or more like the 16000H; it seems the there aren't any engine kits for the 16000 but there are for the 16000H so that is driving the questions....thanks!
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4 Bs, 1 C, 1 CA, WD45 and HD11E
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gemdozer
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Posted: 14 Oct 2021 at 1:09pm |
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YES like CAL (KS) said it only oil cooler ,piston,turbo and fuel pump adjustement
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MDRin MN
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Posted: 14 Oct 2021 at 1:48pm |
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Thanks Gemdozer. I just found something on TractorData that says the 16000-T was found in the HD16D and HD16AG which was the 16000H with a turbo...does that sound about right? Thanks again!
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4 Bs, 1 C, 1 CA, WD45 and HD11E
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CAL(KS)
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Location: Chapman, KS
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Posted: 14 Oct 2021 at 2:13pm |
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highly doubt its a 16000. my old 59 has a 16000 and easy way to tell besides the tag is 3 valve head. also a 16000 has smaller main and rod journals and different connecting rods because of wrist pin size. alot tougher to find bearings than the 1600h and 25000 etc. trust me!
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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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MDRin MN
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Posted: 14 Oct 2021 at 3:00pm |
Hi Cal, everything you have stated is collaborated elsewhere as my research has indicated. What I am trying to establish is the model 16000-T based on the older original 16000 or the newer model 16000H. TractorData suggests that the 16000-T was based on the 16000H which is newer and I believe has the larger journals, rods etc. Supposedly it was put in the HD16D from 1965 to 1974. If TractorData is correct, I see that as a positive as opposed to the earlier 16000 which is hard to find parts for. My apologies if I am not making myself clear
Allis Chalmers HD16D - engine| | Engine Detail: | | | Allis Chalmers 16000T
| | | turbocharged diesel
| | | 6-cylinder
| | | liquid-cooled
| | | 844 ci [13.8 L]
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4 Bs, 1 C, 1 CA, WD45 and HD11E
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ACjack
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Location: Peoria, Arizona
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Posted: 15 Oct 2021 at 9:39am |
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Try looking up info on a 17000 series engine. It was a 16000 series engine with a turbo on it. That turbo was physically much small than those on the 21000 and 25000 series engines.
Edited by ACjack - 15 Oct 2021 at 9:42am
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MDRin MN
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Posted: 15 Oct 2021 at 7:51pm |
Thank you ACJack. My two primary concerns with IDing the engine properly was to determine: 1) Is this an engine with the suspect 6 counterweight japanese crank, and 2) are there engine kits available if parts were needed? I believe this was an earlier motor with the 12 counterweight crank and that there are parts available....Would you concur? Thanks again!
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4 Bs, 1 C, 1 CA, WD45 and HD11E
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ACjack
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Posted: 22 Oct 2021 at 8:04pm |
I can’t recall any easy way to tell which crank is in it. As to part availability there’s a lot of part interchangeability between the AC 16000/25000 series engines. Because of that I would think you wouldn’t have too much trouble finding what you want.
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