462 Engine Replacement

[jb1842]

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.

[Moonbird]

take the engine apart.

[jb1842]

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.

[rlequerica]

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.

[Diffdrumpercussion]

Originally Posted by jb1842

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!

[sageofsalem]

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

[Stillraining]

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.

[mzw]

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...