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Old 07-02-2005, 02:39 AM
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fixer67 fixer67 is offline
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MTD transaxle 618-0307

Does any one know who made the 618-0307 transalxe for MTD? Any if you have a part number to go with it, it would be nice.
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Old 07-02-2005, 06:19 AM
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Quote:
Originally Posted by fixer67
Does any one know who made the 618-0307 transalxe for MTD? Any if you have a part number to go with it, it would be nice.
I believe MTD made this trans. them selfs, I never seen any different, But if its the complete trans. you need the number 618-0307 is the MTD part number for the complete unit.
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Old 07-03-2005, 09:40 AM
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What model/spec did it come out of? Is it the wonderful 7 spd. vari-drive?? I might have one among the junkers.
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Old 07-03-2005, 09:48 PM
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Quote:
Originally Posted by restrorob
I believe MTD made this trans. them selfs, I never seen any different, But if its the complete trans. you need the number 618-0307 is the MTD part number for the complete unit.
Well here is the story, a new replacement trans is part number 918-0551A and cost $300. All that is needed for this one is 618-0318 clutch collar and 611-0112 detent shaft which comes back as NLA. The unit is model number 13AZ604H063 serial 1C179H10060. It is a 1999 unit. The owner just left it at our shop because he was not willing to pay $300 for a new trans and we could not get the parts from MTD to fix it. One of the shop tech took it home when we did spring cleaning instead of the scrap yard. He has been looking for parts to fix it since last summer. He asked to to check for him on line because he knows I play around on the net. Every parts house I have checked says they do not have the parts and can not get them. From what I have been told MTD had a lot of problems with this trans and they sold 3 times the parts (618-0318 and 611-0112) as they did trans. The clutch collar (618-0318) on this unit is a laminated parted made out of half a dozen metal layers welded together. It was a bad design and kept breaking and when it would break it would also break the shafter fork (611-0112). MTD just gave up and quit using it and went to using a trans 918-0551A which uses a one piece clutch collar and a differant shifter fork. I was hoping tnat maybe Tecumseh/peerless or Spicer and some one had made this for MTD and the parts could be gotten from them.
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Old 07-05-2005, 05:32 PM
CCWKen CCWKen is offline
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Looks like it would be easy to make, if you knew someone with a machine shop. What's the purpose for the laminations? Can this part be made from solid round stock?
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Old 07-05-2005, 10:35 PM
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Quote:
Originally Posted by CCWKen
Looks like it would be easy to make, if you knew someone with a machine shop. What's the purpose for the laminations? Can this part be made from solid round stock?

Cheap,cheap said the little Birdie. To stamp sheet metal plates and weld them together was cheaper than making if from soild stock or powder pressed. The replacement transmission uses powder pressed parts for this just like the gears are made. It was an idea to save a few pennies that did not work.
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Old 03-27-2013, 02:39 PM
camused camused is offline
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New here and am hoping to recieve some direction.
I have a Troy-Bilt (13BX609G063) with a MTD 618-0307 transaxle in it.
The clutch collar (618-0318) is broke and I understand that it has been
discontinued from MTD. In looking at the parts illustration, I was wondering
if I could replace the collar and the 2 gears with with the ones listed for the
618-3007c transaxle. Part #'s as follows: collar-718-0228, bevel gear-717-1362, bevel gear-717-1363, and spacer-750-1234. It appears that the part
#'s for the upper / lower cases are the same, along with other parts; just
minus the chain and counter shaft stuff. I hate to junk this rider, but I'm NOT
willing to pay $400 for the 918-0551 replacement transaxle. Any help would be greatly appreciated
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Old 03-27-2013, 06:00 PM
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Quote:
Originally Posted by camused View Post
I was wondering
if I could replace the collar and the 2 gears with with the ones listed for the
618-3007c transaxle. Part #'s as follows: collar-718-0228, bevel gear-717-1362, bevel gear-717-1363, and spacer-750-1234.

I'm going to say no, The 717-1362 gear doesn't have the chain sprocket made onto it and the other original gear 717-1565 is a spur gear not a bevel gear as the 717-1363......

Now...... I do have a supposedly good transaxle that looks like yours externally that was pulled from a machine with blown engine, I'd have to look it over and see which model it is if your interested in a complete used one.....
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Old 03-27-2013, 08:27 PM
camused camused is offline
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Thanks for the reply Retrorob
My plan was to use the 2 bevel gears along with the collar 718-0228 and spacer doing away with the counter shaft and chain parts. In the diagram the upper, lower cases use the same part #'s and the item #3 drive shaft is also the same part #. My understanding is that the 618-0307 used the chain driven counter shaft while the 618-0307C used the 2 bevel gear set up. Please correct me if I'm wrong in this thinking.

But if you have a good used transaxle and if you dont want an arm and leg for it I'd be intersted.

thanks
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Old 03-27-2013, 09:36 PM
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Alright, I looked it over again and see what you want to do...... I don't see why it wouldn't work as long as you do use the spacer #34 and get a few extra #12 flat/shim washers, The washers as seen are different thicknesses and you will need to adjust the bevel gear to pinion gear clearance. Too tight will cause pre-mature gear/bearing wear and too loose will cause growling and gear damage......
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