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Reload this Page QA42A Gearbox rebuild help...
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  #1  
Old 04-07-2014, 05:58 PM
jay3253 jay3253 is offline
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Default QA42A Gearbox rebuild help...
I would like to rebuild my qa42a gearbox but can't find any specs or anything like a diagram that shows tolerances the bearings are out on mine and needs to be done for next winter. Any links would be helpful.
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  #2  
Old 04-07-2014, 06:55 PM
finsruskw finsruskw is offline
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That's because there are none, at least that I know of. The outer bearings slip in the bore and are secured by snap rings. Get yourself to the parts lookup and it is pretty obvious how it goes together.

Quality bearings are quite pricey. I did mine last fall before snow flew and used parts from IH. The bill for everything from IH was $147 w/tax.

You can save quite a bit if you get them from McMaster Carr though.

If you need new shafts though, get the checkbook out and be sitting down, that is if you can find them. I wound up cutting a new keyway 180* from the original in order to salvage mine
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Old 04-07-2014, 07:09 PM
J-Mech J-Mech is offline
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finsruskw is right, no specs but simple to rebuild. Bearings can be bought at a bearing supply company (I.E. Coldwell or Bearings Inc) for way below what IH wants. Don't worry about the shaft. Any machine shop can cut a keyway. JeffinPA here on the site is a machinist and I'm sure if you contacted him he would be more than willing and for a extremely fair price. If you need gears, you can either look for used, or drop me a PM, I think I found a replacement set. Haven't purchased them and tried yet, as winter is over here and the rush is off.
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Old 04-07-2014, 07:35 PM
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Jeff in Pa Jeff in Pa is offline
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I can make shafts for the gear box if needed.

Jeff
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Old 04-07-2014, 09:13 PM
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EricR EricR is offline
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I can make shafts for the gear box if needed.

Jeff
I love you Man, LOL.
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102-P Narrow tires no creeper--42inch deck and IH blade.
102-D Wide tires,creeper,headlights--42inch deck and CW36 snow thrower.
1997-2086 Super with 3 point hitch and all the bells and whistles.
1961-PTE-"O", needs lots of work.
2072-Repowered with a ch18, Woods tractor.
149 with my Dad. 44" deck and QA36A.
#9-70 with weights and sleeve hitch.
#10-149 with a 38inch deck.
2015 Kubota BX 2670.
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Old 04-07-2014, 09:35 PM
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Jeff in Pa Jeff in Pa is offline
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I love you Man, LOL.
I guess I'll order some more alloy steel for shafts.
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Old 04-07-2014, 09:56 PM
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EricR EricR is offline
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Jeff, I don't need any yet BUT I'm just looking into the future here!
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102-P Narrow tires no creeper--42inch deck and IH blade.
102-D Wide tires,creeper,headlights--42inch deck and CW36 snow thrower.
1997-2086 Super with 3 point hitch and all the bells and whistles.
1961-PTE-"O", needs lots of work.
2072-Repowered with a ch18, Woods tractor.
149 with my Dad. 44" deck and QA36A.
#9-70 with weights and sleeve hitch.
#10-149 with a 38inch deck.
2015 Kubota BX 2670.
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  #8  
Old 04-07-2014, 09:59 PM
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ACecil ACecil is offline
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Welcome to OCC, Jay!
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Old 04-07-2014, 10:08 PM
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Jeff in Pa Jeff in Pa is offline
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Jeff, I don't need any yet BUT I'm just looking into the future here!
The gearbox shafts are the same both snow throwers and tillers so I might as well get some material.
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Old 04-09-2014, 08:04 PM
jay3253 jay3253 is offline
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Thank you everyone for the reply's and for the welcome. I haven't pulled everything apart yet but will be this weekend I will take a lot of pics and maybe do a write-up of what I do.
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