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190xt 
Silver Level
Joined: 12 Jul 2011
Location: minnesota
Points: 97
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 Topic: Allis 720 Garden Tractor
Posted: 18 Mar 2012 at 1:52pm |
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Anyone ever put Briggs Vangaurd in a 720 to replace the original onan engine i was wondering if there where any major modifications have to be made to hood or any other part of tractor thanks 190xt
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accoll
Bronze Level
Joined: 12 Oct 2009
Location: Florida
Points: 38
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Posted: 23 Mar 2012 at 3:42pm |
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My 616 is repowered with a M20 Kohler Magnum engine, Had to alter hood to have dual exhaust stacks. Front clutch may be a problem, I do not mow with mine. Runs excllent, plenty of power.
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Brian Jasper co. Ia
Orange Level
Joined: 11 Sep 2009
Location: Prairie City Ia
Points: 10508
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Posted: 23 Mar 2012 at 6:04pm |
Check out Small Engine Warehouse. They sell repower kits for most all popular garden tractors using B&S, Kohler OHV, and Honda small engines.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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190xt
Silver Level
Joined: 12 Jul 2011
Location: minnesota
Points: 97
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Posted: 23 Mar 2012 at 8:16pm |
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thanks for the info 190 xt
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bigallis1
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Joined: 13 Sep 2009
Location: The Villages Fl
Points: 303
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Posted: 23 Mar 2012 at 8:59pm |
Go to www.simpletractors.com Lots of info there about conversions on these tractors.
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D-17_Dave
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Joined: 11 Sep 2009
Location: Mocksville NC
Points: 990
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Posted: 23 Mar 2012 at 9:23pm |
Any of the replacement engines must have a kit to install them in the tractor. You'll need a spacer plate to raise and locate the engine properly in the engine compartment. You'll also need an addapter to mount the oem drive pulley, an addapter plate to mount the oem clutch, and an addapter for the wiring harness and throttle controls. Most replacement engines require removing the baffle in the hood for air cleaner clearance and the new muffler can be close to the battery and cause problems with heat and engine cooling.
Some of the pro's to an upgrade are the Onan's are ussually down quite a bit in power so the jump above 22/23/24HP can really wake up an older tired tractor. That in it's self can make most of the negative issues seem insignificant after seeing what these little tractors can really do.
All that said, I have a Honda conversion used for sale if your interested. Used, but priced accordingly. Changing it out if favor of a diesel engine project I'm working on.
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Yea, I can fix that.....
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bigallis1
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Joined: 13 Sep 2009
Location: The Villages Fl
Points: 303
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Posted: 24 Mar 2012 at 7:02am |
Dave, I forgot to mention you in my earlier post as being one of the resident experts on these tractors. Glad you saw the post.
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D-17_Dave
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Joined: 11 Sep 2009
Location: Mocksville NC
Points: 990
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Posted: 24 Mar 2012 at 8:15am |
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Thanks Jim. but I have no claim at being an expert on anything. I just happen to have several of these great little tractors and I love to pass along any information that some one else may find usefull. Thanks for the compliment though.
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Yea, I can fix that.....
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Rick of HopeIN
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Joined: 11 Sep 2009
Location: Hope, Indiana
Points: 1324
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Posted: 24 Mar 2012 at 9:25am |
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I have nad good experience with Small Engine Warehouse. The replacment Vangaurd for my old Grasshopper dropped right in just as they said it would...
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1951 B, 1937 WC, 1957 D14, -- Thanks and God Bless
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