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Bolens QT16 - broken engine

3826 Views 12 Replies 5 Participants Last post by  tribbe
Hi guys. I have a HUGE problem with my Bolens QT16. the engine is blwon...
I have to buy a new engine. What sholud i do???

The prices in Norway/Sweden is NOTHING like the prices in the US. Example:

Honda GX twin 20hp: 3500 USD
Briggs twin 18 hp: 2500 USD

Honda GX 13hp (singel cylinder): 1200 USD
Loncin 15hp (singel cylinder): 600 USD
Kipor 10hp diesel (singel cylinder) 600 USD

Will a singel cylinder work in my Bolens QT16? Will ti handle snowplowing heavy and wet snow? I only use it at winter for snowplowing....

I think its insane to use 2500 usd on the engine :(


I hope you can help med here, would the Hodnda GX390 / Loncin 15Hp singel cylinder work?

And how to I connect the drive shaft? the engine in my tractor is mounted in the "wrong diretion"? Can i somehow connect the drive shaft at the recoil starter?
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I don,t see why a 16 hp kohler or briggs would,n work .my 1650 snapper has a 16 hp kohler. my qt has the 16 onan.which is in the same shape as yours. but we can buy engines for around 350 to 400 dollars here.I would use any engine that will bolt up.
but what about the drive shaft connection? I remove the recoil cover on this:
http://engines.honda.com/models/model-detail/gx390 will the drive shaft bolt on? I want an electric starter so i dont need the recoil cover...
I recently repowered my QT16. Put in a 18hp B&S kit in it. It bolted right in, the wires hooked up, and came with all differnt cables required. It cost $1440 if I remember right. That was this fall. We bought it on eBay, it came from Small Engine Warehouse.
Well the shipping to Norway is pretty expensive.... So i think i have to go with a motor bought in Norway or Sweden. Iam playing with the thought of converting my QT to a walk behind tractor. But JUST playing with the thought.
Sorry, forgot about the shipping/Norway thing.

If the tractor is at all decent, or you are going to keep taking care of it...if you can get that Honda or Loncin in there fairly easily..I'd go with that.
Does anyone know the size on the bolts i need to block the ones i have a cirkel on the picture? I need to remove the lift cylinder ang then i need to block these, dont i?

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Ok, so no one knows :)

Before i begin my breakdown og the QT, can someone tell me how the driveshaft is connected to the Sundstrand? i have to take the rear end off, how do I remove the drive shaft? Is it boltet on? If someone has a picture on how its removed i would be VERY happy... I will be posting pictures when my project is up and running....
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Over on the GTTalk forum, they have a Q Series service manual that covers that.
http://gardentractortalk.com/f4-bolens/

I think you have to be a member to D/L the manuals, but it's well worth it. The manual D/L page is:
http://gardentractortalk.com/manuals/qs-qt-series-79/qseries-servicemanual-pdf-192/
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Ok, so no one knows :)

Before i begin my breakdown og the QT, can someone tell me how the driveshaft is connected to the Sundstrand? i have to take the rear end off, how do I remove the drive shaft? Is it boltet on? If someone has a picture on how its removed i would be VERY happy... I will be posting pictures when my project is up and running....
Yah, I don't know the answer to the previous question about bolt size and holes..

We just repowered my QT16 (1666) and the driveshaft just slid right off of the hydro unit, it was bolted to the engine. The shaft I had just "floated" at the hydro for lenght variation... I wasn't too happy with that, so I had a custom driveshaft fabbed up with a sliding spline and it bolted to both ends (engine and hydro).
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There is also a PARTS CATALOG in the manuals section in the link above that should give those bolt sizes.
Thanks for all the help guys. It doesnt sy anything about the size int the parts manual...

Guess iwill figure it out somehow :)

Next question:

My PTO i run by two belts to day, after my mod it will not be space for two belts, will one belt be enough? or should i go for chains and sprocket? My PTO will only be used with snowblower (1 stage, 42")
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