Help Deciphering Diffs

[printed forms section]

long time lurker, first time poster.

 

I need a bit of help... there's two diffs at a wrecker i'm looking at... both in Ke30's

 

One looks like what i'm used to, the other looks extremely similar except for the fact the drums are 10inch diameter...

 

can anyone tell from this description what it is? is it a Ke55 diff in a Ke30?

 

thanks for any help you guys can give me.

 

cheers

[Evan G]

long time lurker, first time poster.

 

I need a bit of help... there's two diffs at a wrecker i'm looking at... both in Ke30's

 

One looks like what i'm used to, the other looks extremely similar except for the fact the drums are 10inch diameter...

 

can anyone tell from this description what it is? is it a Ke55 diff in a Ke30?

 

thanks for any help you guys can give me.

 

cheers

 

i think it depends on what year they were made. local made ke30's had bigger brakes.

 

have a look if the diff has a drain pan on the back of it. if it doesnt its a jap diff

 

correct me if I'm wrong people

[printed forms section]

i think it depends on what year they were made. local made ke30's had bigger brakes.

 

have a look if the diff has a drain pan on the back of it. if it doesnt its a jap diff

 

correct me if I'm wrong people

 

the centres and housings look identical... the type where the centre comes out the back with the big drain plug on the back plate... just one has heaps bigger drums...

[Andy43]

Depends on if the brakers were made in japan or aussie.

I like the smaller Jap brakes as there a bit lighter and as we change diffs every few weeks or so, Its easy to change the whole housing as the diff is now lighter and, as the brakes are smaller its easyer to get out.

 

We have one diff with the big brakes and seems to be no differance between the two types its just more difficult to get the diff out.

 

There are also two types of diffs, the Jap one has the removable centre ( Banjo style ) and the Aussie borg warrner has the non removalable centre ( salsbury type ) ( well sort of non removalable you can change it if you know what your doing), There are a few axle variants as well, We only run the salsbury type, but one of our salsbury has big axles and a bigger spline to the rest.

I have a few spare jap diffs but as we havn't blown up a salibury yet so havn't used them.

Generally the jap diff will have the jap brakes but not always the case.

The brakes are interchangable between the two diff types, its just a bugger the the axles out.

 

Ratios are normally 4:11 but there are a few 4:22 and 4:33 and the odd 3:89 getting around, There should be a tag on the diff hat stating the ratio.

Or if the tag is missing go old skool and start spinning and counting.

 

 

Cheers

Andy