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Old 11-16-2009, 03:21 PM   #1
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Exclamation Hey, anyone heard of people buying small diesel engines and putting them in a YJ

I was reading a magazine the other day and I saw where this man had taken a small 3 cylinder engine out of a Kubota medium size Yard Tractor 33HP and put it in his 94 Yj. It is an everyday driver and the article said he was getting 13 MPG and no HP with the 2.5 and now he's getting nearly 30 and has much more HP and Tourque. Said he gave 350.00 at a Lawn mower Junk Yard for the motoe and it cost him an additional 400.00 for additional items to make it work. Said he had most of the stuff in and around his garage to do the conversion.

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Old 11-16-2009, 03:22 PM   #2
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Oh yeah the motor was a diesel engine.

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Old 11-16-2009, 03:40 PM   #3
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There is a guy on the Jersey Shore who does it, I'll see if I can get a name and number.
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Old 11-16-2009, 03:44 PM   #4
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It wasn't on the Jersey Shore it was at Jeff Daniels Jeep in Harleyville, Pa
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Old 11-16-2009, 03:46 PM   #5
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They are using the cummins 4 cylinder
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Old 11-16-2009, 03:50 PM   #6
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Here is thier info: Jeff Daniels Jeep Customizing
495 Indian Creek Road
Harleysville, PA. 19438
215-256-8090
I went out to visit thier shop one day and spoke with Jeff the owner, real nice guy.
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Old 11-16-2009, 04:26 PM   #7
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Yeap Seen it done. But the smaller Diesel engine will not let it run high way speed. But for tooling around town and on trails its perfect.
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Old 11-16-2009, 07:14 PM   #8
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They use the Cummins 4BT diesel engines. They are often found in delivery vans like the ones bread companies use. They sell for around $2500 - $3000. Not a very cheap alternative considering you can but a 4.6 stroker Jeep motor for around the same price.
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Old 11-16-2009, 09:05 PM   #9
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Not to seem stupid but what is exactly is a stroker motor. I hear that term a lot, stroker.
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Old 11-16-2009, 09:13 PM   #10
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Making the stroke of a given motor longer. Can be done using a 4.2 crank and new pistons.
The longer the stroke the more torque.
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Old 11-18-2009, 10:32 AM   #11
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I saw a show on the tube last night where people are putting these small engines in everything. There getting a lot of there motors from them small Asian trucks used on ship yards or loading docks.
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Old 11-18-2009, 07:20 PM   #12
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Hmm, General Tso's deisel jeeps
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Old 11-25-2009, 09:32 AM   #13
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I looked this up and couldn't find anything?
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Old 01-11-2010, 05:40 PM   #14
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Here's a good place to look for more info. I'm planning this project currently for my 79 CJ7.

Cummins 4BT & Diesel Conversions Forums - Powered by vBulletin
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Old 01-13-2010, 04:32 PM   #15
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The TDI's from the new jettas work mint too, got a friend the jurry riged one in place and hes gettin nearly 35 and she pulls strong too
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Old 01-13-2010, 08:27 PM   #16
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Its been my experience these lawn mower salvage places know to the penny what parts are worth and I doubt if a 33 hp Kubota diesel would sell for 350 ( unless it was in a fire ). I just switched a 4 to 6 cylinder in a yj and met up with more problems than I anticipated. A diesel swap sure would have many complications before it could be considered complete and reliable.

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