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Case Tractors Discussion Forum
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JI Case 300 series Loader/Backhoe

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Darrell69

08-12-2007 14:41:55




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I have a 300 series Loader/Backhoe. It had a 157CI Continental diesel.
I am looking for ANY engine that will bolt up to the bell house. Cast into the bell house casting is G1203.
The block bolts on with four bolts.
HELP!




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DARDAN

09-22-2007 23:19:32




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 Re: JI Case 300 series Loader/Backhoe in reply to Darrell69, 08-12-2007 14:41:55  
Just stumbled onto this thread. I have a 320, AND a parts book. According to my book, the diesel and gas use different torque tubes(clutch housing). #G1203 for diesel with shuttle, #G1257 for gas with shuttle. ALSO the front steering housing/support are different. #G1120 for gas, #G1138 for diesel. So both ends of the engine mounts appear to be different.



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jr @beaver machine

08-13-2007 07:12:41




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 Re: JI Case 300 series Loader/Backhoe in reply to Darrell69, 08-12-2007 14:41:55  
You will need a transmission case from a 148 gas-engined tractor in order to bolt the 148 in place of the GD157 Continental. Flywheel and starter allignment and spacing is the issue you need to look at. JR



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TimBinWV

08-12-2007 16:20:05




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 Re: JI Case 300 series Loader/Backhoe in reply to Darrell69, 08-12-2007 14:41:55  
If you'll try to measure the pattern out,I have a 148 cu.in. gas engine out that I can measure also to compare it with. Does the front of your engine also have 4 bolts ?



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TimBinWV

08-12-2007 16:33:21




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 Re: JI Case 300 series Loader/Backhoe in reply to TimBinWV, 08-12-2007 16:20:05  
I measured the bolt pattern and from right to left,sitting on the machine,bottom bolt hole to top right,10-15/16th(maybe 11 in.?)top right hole to top left,5-1/2 in. top left to bottom left,11in. This engine is from a 311b ag tractor. Sorry,not for sale.



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TimBinWV

08-12-2007 16:36:28




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 Re: JI Case 300 series Loader/Backhoe in reply to TimBinWV, 08-12-2007 16:33:21  
One other thing,the top 2 bolts screw into the engine,the bottom two,into the bellhousing. The bellhousing has a different # than yours,but I don't know if the pattern is different,or simply the application...



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Darrell69

08-12-2007 18:36:00




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 Re: JI Case 300 series Loader/Backhoe in reply to TimBinWV, 08-12-2007 16:36:28  
OK, bolt patterns.
Facing the rear of the block.
Bottom left to bottom right 13"
Bottom right to top right 11"
Top right to top left 5 1/2"
top left to bottom left 11"

Facing the front of the block
Bottom left to bottom right 14 1/4"
Bottom right to top right 3"
Top right to top left 15 3/8"
Top left to bottom left 6"



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TimBinWV

08-12-2007 19:01:57




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 Re: JI Case 300 series Loader/Backhoe in reply to Darrell69, 08-12-2007 18:36:00  
Front of this engine is something like top right to bottom right,6". bottom right to bottom left,11-1/2 (maybe 3/4).bottom left to top left,6". top letf to top right,12". These measurements are really just approximations,as close as I can tell. the engine is stored in a van,and is a bit difficult to get at. It's also 19- 3/8" long. You may be able to change out your front bolster for one that comes from a tractor with the 148 in it. Be sure to check that your front axle will bolt up to it if you do. Good Luck,you're gonna need it!

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Darrell69

08-12-2007 21:14:16




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 Re: JI Case 300 series Loader/Backhoe in reply to TimBinWV, 08-12-2007 19:01:57  
It would be nice if the front bolts matched up but all I really need is for the bell house to match.
I can make something for the front.
I am not trying to restore this tractor. Just get it running again.



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TimBinWV

08-13-2007 04:39:19




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 Re: JI Case 300 series Loader/Backhoe in reply to Darrell69, 08-12-2007 21:14:16  
...In that cas4e,I believe the 148 gas engine will fit. One other thing,does your starter take 2 or 3 bolts? I think there's a 148 and 148b engine,and one takes 2,the other,3. I thuink Case made a 159 cu.in engine as well,but I don't have one of those to reference. To be quite honest,I'm suprised that some of the more knowledgeable Case3 guys haven't "said" anything yet. I'm sure more than a couple of them know if there's an easy solution...

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Darrell69

08-13-2007 09:55:07




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 Re: JI Case 300 series Loader/Backhoe in reply to TimBinWV, 08-13-2007 04:39:19  
I have a three bolt starter.
I need a rod, piston and sleeve for the GD157 diesel.
I have not been able to find those parts so I started looking for a different engine.



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TimBinWV

08-13-2007 10:58:25




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 Re: JI Case 300 series Loader/Backhoe in reply to Darrell69, 08-13-2007 09:55:07  
Try starting a new thread asking George in MD if he has those pieces. I think it's him that has discussed having old case trackloaders with continental diesels in them.



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