5411 engine replacement

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Mar 19, 2010
1
Catalina 30 sloop Solomons Island
Has anyone replaced thier 5411 11h.p. on an older 1982 Catalina 30 with a newer universal diesel? How did thenew engine fit and was it a big job?
 
Feb 26, 2004
23,081
Catalina 34 224 Maple Bay, BC, Canada
1. Yes, it's been done. Many folks with A4s have done so, and I don't doubt many with 5411s have also.

2. The M25 was offered on many C30s after the A4s and 5411s became somewhat obsolete.

3. The M25 series fits the C30. The M25 itself is no longer produced, but the M25XPA or M25XPB (not sure which, but a friend of mine just replaced his M25XP - with over 5500 hours) with one of those two in his C34) should fit. Another friend replaced his A4 with an M25 he bought on eBay!

4. Things to deal with include the raw water intake to the new heat exchanger (HX) and appropriate muffler, exhaust riser, and exhaust hose.
 
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