462 Engine Replacement - SailNet Community
 
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post #1 of 8 Old 09-02-2006 Thread Starter
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462 Engine Replacement

I'm replacing my current engine, the stock Perkins 4154. Has anybody else taken out the engine before? My mechanic says we are probably going to have to cut out the cockpit, and raise it out with a block and tackle attached the boom. I really don't want to cut a big hole in my boat if I don't have to, or mees with fixing fiberglass, paint, etc. Does anybody have any suggestions? Any help would be great.
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post #2 of 8 Old 11-07-2006
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take the engine apart.
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post #3 of 8 Old 11-08-2006 Thread Starter
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Would have loved to take the engine apart, but it was a big piece of rust. It got severe water damage from a hurricane years ago and the owner then did nothing to try to save it. My mechanic had to cut the motor mounts off to get it out. The hole in the cockpit wasn't that big of a deal and it did make for a much easier removal/installation. Should have it complete in the next week or two.
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post #4 of 8 Old 06-07-2009
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Smile

Hello:
Would you please nicely share your experience with the center cockpit floor hole cut?

Any structural challenges? Did the hole shrink with boat flex compression?
Do you have pictures?

Any help would be appreciated.
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post #5 of 8 Old 10-06-2009
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removing 4-154

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Originally Posted by jb1842 View Post
I'm replacing my current engine, the stock Perkins 4154. Has anybody else taken out the engine before? My mechanic says we are probably going to have to cut out the cockpit, and raise it out with a block and tackle attached the boom. I really don't want to cut a big hole in my boat if I don't have to, or mees with fixing fiberglass, paint, etc. Does anybody have any suggestions? Any help would be great.
I replaced mine with a Perkins/Sabre M92. I did not remove the cockpit floor! I removed the engine room bulkhead (just screwed in) along side the hall walkway up to the companionway steps. I then raised the engine off it's mounts through the access plate in the cockpit sole above with straps and tackle attached to the spreaders. I used the boom only for directional support not as a weight bearing device. Then I built a platform beneath the engine, lowered it onto a dolly and rolled it to the base of the companionway then up and out! If you haven't started the job already and want more details I'd be glad to tell you more. All the best...Capt. Jeff

PS sorry I didn't see your post that you'd already cut the floor!

Last edited by Diffdrumpercussion; 10-06-2009 at 08:18 PM.
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post #6 of 8 Old 11-14-2009
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Replace 4-154 w/ 4-236?

I can get a good deal on a Perkins 4-236 to replace the 4-154. The 4-154 is not even being supported by the manufacturer (according to my diesel guru-he says he can't even get parts and heads are like gold) and i don't like the idea of breaking down somewhere with an impossible to fix motor.

Does anybody have any suggestions for me as to which engine would be good/better/best to use as replacement? (Of course, i want something to easily bolt right on to the Hurth trannie!! ha ha) I appreciate any info.

Bill
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post #7 of 8 Old 11-14-2009
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Great engine ( as is the 4-154 but like you say parts are a bugger )...twice as heavy though nearly 975 lbs vs the 4-154's 530 or so.

I do not know if the bell housing adapter for the Hurth M10-12-15-0r 25 are the same or not...nor what vertical alignment issues there will be...But TAD will know.

Should be able to download both manual of the net to compare.

"Go Simple...Go Large"

Relationships are everything to me..everything else in life are just tools to enhance them.


The purchase price of a boat is just the admittance fee to the dance...you still have to spend money on the girl...so court one with something going for her with pleasing and desirable character traits others desire as well... or you could find yourself in a disillusioned relationship contemplating an expensive divorce.
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post #8 of 8 Old 09-07-2010
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Morgan 462 repower - Yanmar?

I realize that I'm responding to an old post...but here we go..

I'm repowering my Morgan 462.
The Saber M90 is no longer produced... TAD is still selling rebuilds, but a local (New Bedrord MA, R.F Mitchell) engine shop says use caution...while you may be able to get parts from TAD, you can't go just anywhere to pick up parts.... Having said this, I'm considering the Yanmar 4JH4-HTE 110hp. Has anyone else considered this engine?
I have the bigger Perkins, and do not want to go down in horsepower. A friend owns an older 44' Pearson, which is shorter and displaces 10,000lbs less than the Morgan. He repowered with the Yanmar 110 and has been very happy. Just checking for input from others who may have done/considered this...
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