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Old 07-05-2019, 08:23 PM   #1
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Lehman sp135's

I am looking at a DeFever 48 tri-cabin with twin SP135 Lehmans. Any feedback on these engines, such as longevity, fuel burn, reliability, etc.
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Old 07-05-2019, 08:39 PM   #2
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Lehman 135s will easily go 10,000 hours if they have been properly maintained. One of the best older engines.
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Old 07-05-2019, 09:15 PM   #3
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We have 2 in our boat - old school engines, no electronics, no turbo just fire up and go every time. Simple to work on (Ford tractor engine) and parts are readily available. Our two give a combined consumption of about 16litres per hour at 1700rpm - 7.6kts.

Like any engine, they need regular servicing ie oil and coolant but nothing an owner with basic mechanics can`t handle.

love em
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Old 07-05-2019, 09:16 PM   #4
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Quote:
Originally Posted by Dennyg View Post
I am looking at a DeFever 48 tri-cabin with twin SP135 Lehmans. Any feedback on these engines, such as longevity, fuel burn, reliability, etc.
They get a gold star in all 3 categories. I recall a DF 48/9 owner saying on TF they are well suited to the boat. No turbos or electrics to mess with,and parts readily available from American Diesel.
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Old 07-05-2019, 11:20 PM   #5
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Oh, and I forgot to mention, the chrome tappet cover makes them run smoother and quieter
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Old 07-06-2019, 07:39 PM   #6
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Great feedback from all. Thank you!
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Old 07-06-2019, 08:13 PM   #7
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I have 2 135's currently at 5000hrs. Very easy to work on, simple maintenance, parts easy enough to get and reliable.

Ken
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