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Old 12-23-2007, 12:52 PM
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Reverse Rotation Ring & pinion

I called Winters and asked if they can setup the center section for reverse rotation. They say no problem, it just takes a different ring and pinion. He said it had to be a different gear set or else the pinion would wear on the coast side of the ring.

Well that makes no sense to me. If the ring gear is flipped over to the other side of the case, the gears will mesh exactly the same way. Right?

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Old 12-23-2007, 01:22 PM
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The curve of the gears will be reversed for reverse rotation. Why do you want a reverse rotation diff?
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Old 12-23-2007, 01:36 PM
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Oops, I guess I wasn't clear when I asked them. I want the pinion to turn reverse, but the ring to turn the same. I was thinking the ring could be flipped to the other side of the pinion inside the housing, which would acomplish this. But you could use the same gear that way. He must have thought I just wanted everything to go backwards.

Just a little side project I have in the works.
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Old 12-23-2007, 02:17 PM
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Well ... this is one of those WAG (Wild Arse Guess) ideas...

Does the front diff on a 4X4 truck rotate in reverse?

I worked for Ford as a partsman for several years ... and I know that Dana 44 / 60 axles were used in both front and rear.

The gear sets for front and rear were different "basic" numbers ... 4209 for the rear and 32__ (I can't remember ... and 3209 doesn't sound right?) for the front.
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Old 12-23-2007, 03:10 PM
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Reverse Rotation Ring & pinion

what you building
i'm building a front end loader with the engine and steering behind seat still in normal placement .
i flipped the rear end over .
take the left side and flip it to the left and point the pinion snout back at the trans .
weld your vent hole up first then drill one on the other side .
i also drilled for a dip stick from a Chevy and cut it down close and marked the oil level , no more pulling the plug .
change your spring purchases on leaf springs type for right angle to trans .
then turn your backing plates 180 degrees ,this puts the brakes back to normal wheel cylinder up ,so you can bleed the brakes .you will have to along gate the bolt holes cause of the bolt pattern .
you will then have three gears in the opposite direction and one gear the old forward way .
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Old 12-23-2007, 04:26 PM
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Whatever happens, you have to set it up so that the pinion cut "pushes" on the ring. The reverse rotation gearsets are cut with the opposite curve on the teeth so the teeth always push when going in forward.
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Old 12-23-2007, 06:00 PM
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I think it's self explanatory. The thrust areas would be the same.
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Old 12-23-2007, 06:37 PM
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If you mount the rear end upside down the pinion will still turn the same direction but the axles will turn in reverse. Would this solve your problem? It's easy and free.
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Old 12-24-2007, 03:40 PM
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Quote:
Originally Posted by speedydeedy
If you mount the rear end upside down the pinion will still turn the same direction but the axles will turn in reverse. Would this solve your problem? It's easy and free.
Unfortunately, it's not quite that simple. On most axles, the pinion centerline is below the ring gear centerline. Flipping the axle puts the pinion centerline above the ring gear centerline. It's unclear what effect this has on lubrication of the pinion bearings.
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Old 12-24-2007, 03:50 PM
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Reverse Rotation Ring & pinion

well its my second one made and the first is still going ,i sold it to build a V 8
one in a ranger frame .
the grease level is raised some by 3/4 quart of grease and it climbs as normal .
it's not road worthty but will cut a mean do-nut with the steering behind you
besides who's going fast these days .
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Old 12-24-2007, 04:50 PM
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A friend of mine converted a big bus to a camper.Part of this was to make it a diesel pusher.He rolled the rear end over and mounted the engine and trans backward and has had no trouble. I would like to know what you are building, I love crazy ideas.
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Old 12-24-2007, 05:20 PM
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Reverse Rotation Ring & pinion

it's a ford ranger frame with 35 inches cut out with a small block 350
auto tranny 350 , with the ranger rear flipped over .
it goes three gears the opposite way than normal .
the seat is on the passenger side withe it facing the rear .
it's like a lull ,or boom reach fork lift .
it steering is behind you still where the motor is .
i'm building the loader like a tractor has with the 6 foot bucket
two cylinder lift with two cylinder dump.
the hydraulic pump is my main issue .
either belt drive or add a small mower go kart engine and run a pump from it.
also thinking dumping the trans and bolting a pump to the rear of the 350 and using a hydraulic motor to the ranger rear , but then i didn't really need to flip the rear end unless your worried about gear wear.
got some photo's of the start of ,but there to big to show on here .
my last one i sold had the ranger motor and all with a electric pump and boom type loader .
the guy loads his hay barn with it ,among other tasks .
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