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Briggs & Stratton 5hp


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#1 Bolens800uk OFFLINE  

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Posted January 18, 2015 - 11:11 AM

I have come across a B&S 5hp engine that might be suitable to replace the modern MTD engines on the Lawn Keeper. The details I have are 131922-0131-78 I have asked for more of the numbers to verify the engine.

Is this a suitable? The seller said it is a vertical shaft B&S and I just want co formation. Your advice would be helpful. Cheers.

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#2 chieffan OFFLINE  

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Posted January 18, 2015 - 12:32 PM

That engine is definitely a vertical shaft engine.  Probably a much better engine than the newer economy engines usually found on big box store equipment.  If it don't have electric start, that can be a pricy add on, especially if you need to change the flywheel.  Other than that I not much help as I know nothing about the Lawn Keepers.


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#3 TokyoDrift99 OFFLINE  

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Posted January 18, 2015 - 12:48 PM

Are we talking about push mowers or riders? For a push mower its more than enough, should work for self propelled push mowers as well. It may be a little weak for a rider. I flipped a little mtd made cub cadet rear engine rider from the 80's, was way too cheap to pass up but I figured out why, and had the parts lying around. I fixed it, and an electrical issue that just popped up and sold it for 2x what I bought it for. Anyways it had a 8 hp Briggs on it and never really bogged down except for in tall wet grass. 


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#4 Bolens800uk OFFLINE  

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Posted January 18, 2015 - 01:00 PM

Thanks guys for the feedback.


TokyoDrift99: The Bolens Lawn Keeper is an articulated ride on mower.

#5 TokyoDrift99 OFFLINE  

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Posted January 18, 2015 - 01:03 PM

Thanks guys for the feedback.


TokyoDrift99: The Bolens Lawn Keeper is an articulated ride on mower.

Right, brain fart. I am not to familiar with the lawn keeper/ estate keeper so that totally slipped my mind. The 5hp might be a little weak in my opinion. 


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#6 Bruce Dorsi ONLINE  

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Posted January 19, 2015 - 03:05 AM

The B&S engine pictured is quite a bit newer than what would have been on a Lawn Keeper originally, but it should bolt onto the chassis with no problem.

 

However, some of those 5hp B&S engines had a straight 1" diameter crankshaft, while others had a crankshaft which was stepped-down to 7/8" diameter.  ....You will have to check your existing pulley to make sure you get the correct diameter crankshaft.

 

The crankshaft length which you need is 3-5/32" as measured from the mounting flange to the end of the crankshaft. 


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#7 OldBuzzard ONLINE  

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Posted January 19, 2015 - 05:47 AM

Right, brain fart. I am not to familiar with the lawn keeper/ estate keeper so that totally slipped my mind. The 5hp might be a little weak in my opinion. 

 

The LKs came in 5 Hp and 6 Hp versions.


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#8 Bolens800uk OFFLINE  

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Posted January 19, 2015 - 05:24 PM

The B&S engine pictured is quite a bit newer than what would have been on a Lawn Keeper originally, but it should bolt onto the chassis with no problem.
 
However, some of those 5hp B&S engines had a straight 1" diameter crankshaft, while others had a crankshaft which was stepped-down to 7/8" diameter.  ....You will have to check your existing pulley to make sure you get the correct diameter crankshaft.
 
The crankshaft length which you need is 3-5/32" as measured from the mounting flange to the end of the crankshaft.


Bruce,

Thanks for the detailed response. I am hazarding a guess that it's was made in 1979 as per se the serial numbers. Is there a thread on here that can give a breakdown of different engines?

Thanks
Andrew

#9 Bruce Dorsi ONLINE  

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Posted January 19, 2015 - 05:40 PM

Bruce,

Thanks for the detailed response. I am hazarding a guess that it's was made in 1979 as per se the serial numbers. Is there a thread on here that can give a breakdown of different engines?

Thanks
Andrew

 

I don't know of any specific threads to recommend, Andrew.

 

You may find some useable info in the B&S engine section of the Manuals Forum. 

 

If you have any specific questions, lots of people here will try to help you!


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