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post #4 of Old 07-21-2018 Thread Starter
maplemale
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Re: 4.107 or 4.108? Which do I have?

Quote:
Originally Posted by kenr74 View Post
Perkins has used 3 different serial number formats. This looks like the earliest (no letters). Page 4 of the shop manual (which you can download as a PDF) explains this.

Funny thing about the shop manual. Look what I found on the boat (picture)! Number matches what's stamped on the engine. I saw this weeks ago and two things made me disregard it initially.


1. I'm on the phone with TAD (Trans Atlantic Diesel) and they swear that number is NOT a Perkins serial number at all.
2. My boat is a 1984. Could have sworn those were all Perkins 4.108s?

PS: yes, page 4 even has an example that looks just like my engine number.


How annoyed should I be that I thought I was buying a boat with 4.108? I'm pretty sure, they were actually the same block. All my parts look like 4.108 stuff from what little I know. Starting to think that when they did the rebuild of my engine 500 hours ago, it was a 4.107 block rebuilt as a 4.108. Sound about right? Would be nice to know for sure so I know what parts to order! Like, Valve Cover gasket, water pump rebuild kit just to name a few on my list.
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Last edited by maplemale; 07-21-2018 at 10:46 PM.
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