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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Re: 880 Road gear?

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B A Star

03-15-2013 19:40:29

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   I assume that you are a tractor ride guy.  Remember that there were two transmissions used in the 880.  Early had spur gear and the late had helical gears.  The Oliver Shop manual shows 13.05 for the row crop helical gear trans, spur gear is 12.86.

   The Industrial 880 is 16.8 MPH in 6th with 14 x 24" industrial tires.

   Easy solution, find a complete 880 industrial transmission.  Install the axle housings from the row crop transmission, lets say with 13.6 x 38" rubber and that will add to your speed by 1.3 or to 21.8 MPH.

   If you really want to go past the red boys and leave them in the dust, there are four gears from the industrial trans that you can install in your row crop housing.  Now the industrial has a 5.66:1 ring and pinion ratio and the row crop has 4.70:1 ratio.  Parts from the industrial, in your row crop housing and the larger tires and you will be at 26.16 MPH, hummm wind the engine up a little, if there is any breeze you are driving into guarantee your hat won't stay on.

   Been there done that.  If we are talking about the spur gear trans you only need to change two gears.

   The other green guys with their two shaft trancmission just have to make two gears that are in a housing between the two shafts behind the flywheel.  Case guys change the sprokets in their chain drive finals.

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03-17-2013 18:35:27

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 Re: 880 Road gear? in reply to B A Star, 03-15-2013 19:40:29  
Duane, how about the 1600 utility? I've been waiting for the pullers to want my old gasser for the ring and pinion and maybe 5th and 6th gear. Should be helical gears that are pressure lubed; or am I just daydreaming? Will they fit in a late 880? Would they fit in a 1650 and are they strong enough to hold up? Thanks for any reply.

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03-16-2013 04:53:07

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 Re: 880 Road gear? in reply to B A Star, 03-15-2013 19:40:29  
Thanks for the tip Duane. Yes these are tractor ride tractors and I also do some plowing with them. My 880 is a spur gear. Can I use certain industrial gears and only speed up 5th & 6th gear?

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03-15-2013 20:29:38

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 Re: 880 Road gear? in reply to B A Star, 03-15-2013 19:40:29  
No, not for rides, for actual use as a summer chore tractor, mowing spraying etc. Nice to have something that doesn't take all afternoon to get from one field to another.

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