D44 "Heavy Duty"
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From: Penns Woods
D44 "Heavy Duty"
So what is the deal with the "heavy duty" version? I robbed one from a 250 to put into my 150, because I needed a 4.10 rato for the front, and it was much easier to find that ratio in a f250. I know it's not, but do people actually consider it a heavy duty rear, or are they just comparing it to the regular D44?
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Originally Posted by captain p4
I think the only difference is the 8 lug for the wheels.
It might have the dual piston brakes, which are better, but only if you are going to use 8 lug
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There is a front version of the D44, and it is recognized as a Heavy Duty unit. Big hubs, big brakes, yada, yada.
There is also a HD rear axle that is used in later model Jeeps, the Viper, and a few other rides. Pretty worthless really.
Here is alink that describes the D44HD, and how it differs from other units.
http://77cj.littlekeylime.com/Dana44_2.htm
If you bought an 44hd, these are typically low pinion units, and you installed it in a 150, what did you do to mount the radius arms? How is that pinion angle?
D44's did not come in the rear of an F250, so I have to assume we are discussing a front axle.
Did you upgrade the rear axle so you do not have to run 8 lugs up front and 5 in the rear?
There is also a HD rear axle that is used in later model Jeeps, the Viper, and a few other rides. Pretty worthless really.
Here is alink that describes the D44HD, and how it differs from other units.
http://77cj.littlekeylime.com/Dana44_2.htm
If you bought an 44hd, these are typically low pinion units, and you installed it in a 150, what did you do to mount the radius arms? How is that pinion angle?
D44's did not come in the rear of an F250, so I have to assume we are discussing a front axle.
Did you upgrade the rear axle so you do not have to run 8 lugs up front and 5 in the rear?
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From: Penns Woods
75F350, I kept the original TTB housings/radius arms/suspension from the 1985 F150. I only used the 3rd member out of the 1986 F250, it fit perfectly into the housing. I can't remember which axles I used. I believe the F150 axles worked out.
What the heck is a low pinion unit? I chose this rear because it was in one of my parts trucks...basically,because it was free. Will my 150 have a different "pinion angle" than the 250. Is this bad???Because I'm very concerned now...
Thanks for the link!
What the heck is a low pinion unit? I chose this rear because it was in one of my parts trucks...basically,because it was free. Will my 150 have a different "pinion angle" than the 250. Is this bad???Because I'm very concerned now...
Thanks for the link!
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No buddy, the TTB explaination says a bunch. So many versions of the D44, and they are all a little different. If you have a TTB, then the diff will have a high pinion and use gears accordingly.
In most cases the D44HD refers to the solid axle D44 with extra webbing and large hubs. This would have been an 8 lug version with larger brakes.
As far as I know, all of the D44 TTB diffs are the same. The Larger outers, and hubs found on the 250's might be considered a heavier duty version, but is believe that the R&P is about identical, and the splines were the same, so this would permit the use of the other 44. I do not think anything other than spindles and hubs were any different.
In most cases the D44HD refers to the solid axle D44 with extra webbing and large hubs. This would have been an 8 lug version with larger brakes.
As far as I know, all of the D44 TTB diffs are the same. The Larger outers, and hubs found on the 250's might be considered a heavier duty version, but is believe that the R&P is about identical, and the splines were the same, so this would permit the use of the other 44. I do not think anything other than spindles and hubs were any different.
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