13 HP Predator - Snowblower Forum : Snow Blower Forums
 
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post #1 of 5 Old 01-31-2016, 07:34 PM Thread Starter
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13 HP Predator

This may sound silly but I have had a 13HP Predator with 12 V electric start sitting on my shelf for a year. I was going to put it on a Simplicity two-wheel tractor to replace a Briggs 19. But due to the slanted cylinder on new engine designs, it is too long for the frame. I wouldn't be able to attach front mount attachments.

I have a perfectly good Ariens 924DLE with a 9 HP Tecumseh engine. Would it be worth it to replace the 318cc Tecumseh with the 420cc Predator? I would gain 4 hp, might be lighter, and on-board 12 V start. It also should be able to move snow with a bit more grunt. The other application maybe to use the Predator engine on a MacKissic Chipper/Shredder.

Has anyone used this engine in a re-power? Most I have seen were the 212cc Predators that I have used on two wheel tractors.
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post #2 of 5 Old 01-31-2016, 07:41 PM
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jmo....put it on the blower, up the pulley size a wee bit, and move snow like a honda.

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post #3 of 5 Old 01-31-2016, 10:11 PM
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A few differences between the Tec and the Pred are worth noting.

a) The Predator has a ~3.39" x 7.69" mounting bolt hole pattern compared to the LH318's 6.375" x 3.125" pattern. Going to need to drill some new mounting holes and check for metal thickness and mount flatness...

b) The Tec's crank centerline is ~4.182" above the mounting pad base. The Pred's is 5.26". You're going to need to resize the belts and if you have any existing belt guards/covers, they likely won't fit the new set-up without tinwork.

c) The Pred's crank is 1" x 3.48". The Tec was available with a few different cranks, two of which are 1" OD but quite a bit shorter than the Pred. You might check the full model number of the Tec you've got (e.g. LH318SA-xxxxxx) to know how much mucking about you're going to be in for finding pulleys to work.

You'd see a pretty big performance gain with that Pred but it's not a drop-in replacement
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post #4 of 5 Old 02-02-2016, 10:56 PM Thread Starter
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Quote:
Originally Posted by Blackfin View Post
A few differences between the Tec and the Pred are worth noting.

a) The Predator has a ~3.39" x 7.69" mounting bolt hole pattern compared to the LH318's 6.375" x 3.125" pattern. Going to need to drill some new mounting holes and check for metal thickness and mount flatness...

b) The Tec's crank centerline is ~4.182" above the mounting pad base. The Pred's is 5.26". You're going to need to resize the belts and if you have any existing belt guards/covers, they likely won't fit the new set-up without tinwork.

c) The Pred's crank is 1" x 3.48". The Tec was available with a few different cranks, two of which are 1" OD but quite a bit shorter than the Pred. You might check the full model number of the Tec you've got (e.g. LH318SA-xxxxxx) to know how much mucking about you're going to be in for finding pulleys to work.

You'd see a pretty big performance gain with that Pred but it's not a drop-in replacement
Wow! Just the information that I would need. Thanks for doing my homework!

It might be a project to pursue over the summer. Like I mentioned, it is not a case of needing to repower but having an available engine. The Techy is still strong, in fact, it finally has enough hours on it to seat the rings. I have used synthetic oil this season. The one advantage to the re-power that I would like is the 12 V start for when it runs out of gas 500 foot from the garage.
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post #5 of 5 Old 02-02-2016, 11:28 PM
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Want to see it blowing snow

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Make sure the windows are up before the snow plow goes by !!

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