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Discussion Starter · #1 ·
Bought some land in the Shenandoah Valley a year or so ago. I knew there was an old pole barn buried in brambles and vines in the back of an old hay field. I finally worked my way back to it and cleared enough vegetation to go through the contents.

Found this Bolens Huski with a Briggs and Stratton NPR6. I plan to get the engine running first, then see if I can get the rusted tractor mechanicals working. Does anyone have copies of or links to the older manuals, and can anyone give me more details on my machine? I was told it is probably a 12A but there is no model number on it that I can find. Not sure if there is a database somewhere that can give me the year it was made based off of the serial number in the pic.

Thanks!
 

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Nice find you got there, Found this link to Briggs & Stratton engine identification Briggs Mfg. Date List (A -- PC)
If i'm reading it right, I beleive your engine (NPR6) means model NP , R is for "Gear Reduction" 6 for "6:1 gear reduction ratio". like I said hopefully i'm reading this right , but if you scroll down and find the NP series engine listing , it says that "The serial number shown under the Month and Year is the last serial number built in that month" if that is so and the engine is original ..... it is saying the engine was built between FEB. & MARCH of 1948. not sure what Bolens model you have but maybe this will help narrow down the year and model it may be. Out of curiosity ....looks like in your one photo , it looks like a tractor or something like it hiding under that tarp, what is hiding under there ?
 

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Welcome to the forum! Good save! It looks very much like one I have. Look back on the frame behind the motor for a smaller tag with the model no. on it. Are the tires any good? Exact same style on mine, but they were cracked so bad I couldn't save them. That Briggs motor shouldn't be terribly hard to get going again. Does it turn over or set up? Either way, put some oil, ATF, diesel fuel, etc. down the spark plug hole and get the valves, rings lubed up. You probably knew that already. Just sayin'.
 

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Hello, and welcome to GTT. ....Lots of Bolens owners and info to be found here.

Thanks for the nice, clear, pics you posted. (y) ...Most people take pics from 100 feet away and expect someone to pick up details.(n)

Yes, the NPR6 is a Briggs & Stratton engine. ...Your Serial # 822469 indicates it was manufactured in March, 1948. ....If that is the original engine for that tractor, the tractor would have been built 1 or 2 months later.

I am 99% certain the tractor is a 12A. ...It appears to be in good condition considering it's 74 years old! (I was born June, '48.)

I just updated the dead link here: Power HO model 12A
 

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Discussion Starter · #5 · (Edited)
Nice find you got there, Found this link to Briggs & Stratton engine identification Briggs Mfg. Date List (A -- PC)
If i'm reading it right, I beleive your engine (NPR6) means model NP , R is for "Gear Reduction" 6 for "6:1 gear reduction ratio". like I said hopefully i'm reading this right , but if you scroll down and find the NP series engine listing , it says that "The serial number shown under the Month and Year is the last serial number built in that month" if that is so and the engine is original ..... it is saying the engine was built between FEB. & MARCH of 1948. not sure what Bolens model you have but maybe this will help narrow down the year and model it may be. Out of curiosity ....looks like in your one photo , it looks like a tractor or something like it hiding under that tarp, what is hiding under there ?
That is the John Deere Dain Mower (sickle-bar, horse-drawn) that I posted about in my new member intro (Shenandoah Valley)
 

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Discussion Starter · #7 ·
Welcome to the forum! Good save! It looks very much like one I have. Look back on the frame behind the motor for a smaller tag with the model no. on it. Are the tires any good? Exact same style on mine, but they were cracked so bad I couldn't save them. That Briggs motor shouldn't be terribly hard to get going again. Does it turn over or set up? Either way, put some oil, ATF, diesel fuel, etc. down the spark plug hole and get the valves, rings lubed up. You probably knew that already. Just sayin'.
Haven't played with anything yet, will drag it out to a storage unit where I have some tools, hopefully this weekend, weather permitting. The left tire has a serious flat spot, the other doesn't seem too bad. The both turn so there's hope. Looking at the amount of oil seeping I assume the engine will also turn. Fingers crossed!
 

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Discussion Starter · #8 ·
Hello, and welcome to GTT. ....Lots of Bolens owners and info to be found here.

Thanks for the nice, clear, pics you posted. (y) ...Most people take pics from 100 feet away and expect someone to pick up details.(n)

Yes, the NPR6 is a Briggs & Stratton engine. ...Your Serial # 822469 indicates it was manufactured in March, 1948. ....If that is the original engine for that tractor, the tractor would have been built 1 or 2 months later.

I am 99% certain the tractor is a 12A. ...It appears to be in good condition considering it's 74 years old! (I was born June, '48.)

I just updated the dead link here: Power HO model 12A
Thanks, Bruce. My first concern is the broken spark plug wire. I'm guessing that I will need to replace the coil also because of that. Any idea where period correct parts can be found? Is there a swap-meet section on this site?
 

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You should be able to unsolder the spark plug wire from the lug on the coil and replace just the wire. I've done it many times on older B&S motors. You might find that the coil still has plenty of spark still in it. That's a maybe. Being stored inside and dry helps with that possibility. Just for grins, try cleaning and gaping the points, you might have a spark. Reasonably good chance that the condenser has gone flat by now though. Your local NAPA should be able to get you points,condensers, oil seals. Also check with Bolens Parts & Supplies listed here on the forum. Brian has lots of parts for older Bolens equipment. Lacking that, check on eBay.
 

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Discussion Starter · #13 ·
OK, so I couldn't wait for the weekend. Pulled the tractor out, took off the attachment and pulled the engine so I could work on a bench. Oil bath container had a few bugs but cleaned up nicely, filter element looks practically new?
 

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Discussion Starter · #16 ·
Pulled the spark plug. It looked ok, but a lot of carbon inside the cylinder head and top of piston. Engine turns freely (you can see the piston changing positions) but no compression so I'm going to have to go into the head anyways once I get everything cleaned off.
 

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