Diff lockers with heavy towing in mind - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 04-27-2011, 09:39 AM Thread Starter
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Diff lockers with heavy towing in mind

I'm in need of lockers for my 08 f350 drw. I'm tired of getting stuck on flat wet grass when I have the 18000 pound fifth wheel hooked to it. I really have two questions;

1. What would be the best chioce for rear locker (I' pretty sure the rear is a 37 spline Dana 80). I was thinking the detriot tru trac , but are there better options out there ?? I use the truck for heavy towing almost every time I start it up, 18000 pounds is hooked behind it 80% of the time.

2. What about the front. I know its a dana 60, but which dana 60 ( 30 spline, 35 spline ,16 spline, reverse 35 spline ). And which locker here. I was leaning toward the eaton E-locker, but I haven't heard anything about this locker being used in HEAVY DUTY applications. Any thought / insight ???

Last edited by Antonm; 04-27-2011 at 10:35 AM.
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post #2 of 5 Old 04-27-2011, 10:05 AM
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i would go selectable. look into OX locker. i know they make them for the d60. it is cable operated and vary durable

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post #3 of 5 Old 04-28-2011, 06:43 PM Thread Starter
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Any other opinions out there. All you big horsepower guys out there still run the stock open diff ???
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post #4 of 5 Old 04-28-2011, 07:07 PM
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I would put an ARB Air locker in the front. That way you could set up a small tank and have on board air for filling tires, ect... A true trac would be a good choice for the rear. And if you wanted a little cheaper route, True tracs front and rear. If you are driving in the snow, I would go with the ARB in the front hands down. Lockers/ limited slip in the front make driving in the snow a little interesting. And just so you know. A true track is not a locker, It is a very good clutch less limited slip. An ARB is a full locker.

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post #5 of 5 Old 04-29-2011, 05:07 AM
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Did all the trucks came with a limited slip?
If so mine has worked pretty well. Just remember the harder you shock the limited slip the better it grabs.
If I was going to put lockers in my truck it would either be the air or electric.
The 2011 I saw at work has the electric in the rear, pretty cool.
I have air already on the truck, so air would be the way I would most likely go.
I would just be a little worried about a gear type locker that is locked with power on the street with a load. Something has to give in turns.

Troy Simmons
08 F450 4x4
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