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Old 27-02-2014, 16:13   #1
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Been away for a while, Im back looking for engine advice.

I have a 50 ft steel Roberts. Plans call for 40-80 hp. I'm partial to perkins,non turbo. I'm thinking 4 cylinder, but looking for advice. I need the entire powertrain. Any tips or advice is welcome.
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Old 27-02-2014, 16:34   #2
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Re: Been away for a while, Im back looking for engine advice.

why not 4.236.....
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Old 27-02-2014, 16:39   #3
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Re: Been away for a while, Im back looking for engine advice.

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why not 4.236.....
perhaps you could help him with the paint job too?
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Old 27-02-2014, 16:42   #4
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Re: Been away for a while, Im back looking for engine advice.

Quote:
Originally Posted by Matt sachs View Post
I have a 50 ft steel Roberts. Plans call for 40-80 hp. I'm partial to perkins,non turbo. I'm thinking 4 cylinder, but looking for advice. I need the entire powertrain. Any tips or advice is welcome.
I'd be much happier at the 80hp end of the range.
We're 54ft on deck and approx 30 tons. We have a 120hp 6 cyl. Ford Lehman which is an old but fabulously reliable work horse.
American Diesel was set up by Bob Smith, and he originally set up the whole Lehman production for Ford. His son, Brian now seems to run the show. Very knowledgeable and helpful.
Maybe give him a call and see if he has any suggestions. I don't know if they deal in reconditioned engines but a Lehman is good for 25,000 hours if looked after.

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Old 27-02-2014, 16:43   #5
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Yes your right a four cylinder naturaly adpirated diesel producing at least 50 HP is what you want. Im a YANMAR fan so I can only suggest a YANMAR to you
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Old 27-02-2014, 16:56   #6
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Re: Been away for a while, Im back looking for engine advice.

I put a John Deere 4045D (85hp) into Boracay (Roberts 44 offshore, about 15 tonne) and have experienced no problems at all. I also put in a ZF63 which has performed well (Did need a copper washer changed).

Given all the problems involved in a repower why not go for a larger engine, either a reconditioned Ford Lehman or a new John Deere 4045T or even a John Deere 6068? The difference in cost is likely to be small.

Do check that the propeller shaft can handle the extra power.

I found the bigger engine gave great peace of mind, particularly to my senior crew.
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Old 27-02-2014, 17:03   #7
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Or a gardner engine! Hard to find though
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Old 27-02-2014, 17:26   #8
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Re: Been away for a while, Im back looking for engine advice.

i will help anyone who finds their perkins engine without stamped or imprinted numerals to paint that particular engine the official bastid engine of universe colors..
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Old 28-02-2014, 07:59   #9
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Re: Been away for a while, Im back looking for engine advice.

Thanks for the input, She has a 44mm prop shaft. I'm looking at a perkins 4.236 with transmission on the Trans Atlantic Diesel web site. Still waiting on a quote. Are there any dealers here on this forum that sells this engine?
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Old 28-02-2014, 09:26   #10
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Re: Been away for a while, Im back looking for engine advice.

I know you said Perkins but if I ever repower I will go with Beta Marine. Excellent engines, great support, parts are reasonable many available from Kuboat tractor dealers.

Everyone I have ever spoken with that went with a Beta has been completely happy with the choice.
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Old 28-02-2014, 09:30   #11
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Re: Been away for a while, Im back looking for engine advice.

My concern is finding parts in some remote corner of the world. I may never get there but I plan to spend a lot of time away from here.
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Old 28-02-2014, 09:48   #12
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Re: Been away for a while, Im back looking for engine advice.

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I know you said Perkins but if I ever repower I will go with Beta Marine. Excellent engines, great support, parts are reasonable many available from Kuboat tractor dealers.

Everyone I have ever spoken with that went with a Beta has been completely happy with the choice.
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My concern is finding parts in some remote corner of the world. I may never get there but I plan to spend a lot of time away from here.
Metal Man Matt!!! Welcome back!!!!!!!!!!!!

Weather been nice to ya? (don't answer that)

I say Skippy has a good idea there... The Kubota is all over the world... As you can see by it even being embraced here in the South.... Parts are reportedly not an issue.... Go big man... 50hp not enough methinks...

PS: you need to make me an anchor....
Open Source Anchor Project
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Old 28-02-2014, 09:55   #13
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Re: Been away for a while, Im back looking for engine advice.

Hey MD, it was 18F this morning. -2F a few weeks ago. Check out my face book page for some update pictures. I'm using Purple Heart, Walnut and Oak in the galley. The work in the captains quarters is on hold until its warm enough to spray foam again....burrrr

Kubota ......something to look into. thanks.
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Old 28-02-2014, 10:06   #14
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Re: Been away for a while, Im back looking for engine advice.

Here is the countertop
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Old 28-02-2014, 10:06   #15
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Re: Been away for a while, Im back looking for engine advice.

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Hey MD, it was 18F this morning. -2F a few weeks ago. Check out my face book page for some update pictures. I'm using Purple Heart, Walnut and Oak in the galley. The work in the captains quarters is on hold until its warm enough to spray foam again....burrrr

Kubota ......something to look into. thanks.
Weather??? Ya I know eh???.... I'm in the same canoe as you... E. MS...

Jeezo... we need to call you Woodworker Matt too !
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