FJ73 Diff

[bravo]

I have a FJ73 with a 3F petrol with 5spd manual, its a 1986 model its not a bundera.
I need to know what size the ring gear is, i think it is a 9.5" diff, some came with 27 spline axles, some come with 30 spline and some are full floating and some are semi floating does anyone know what i would have or how i could find out easily

[pricey]

Hey mate the rear diff in your middy is the same diff centre as a 40, 60, 75 and 80 rear diff. They all have full floating rear axles apart from a bundera which run a semi floating set-up same as or very similar to a hilux. Pretty sure you would have a 4.11 ratio there too and the crownwheel is 9.5" diameter. Hope that helps.

[midi73]

Hey mate the rear diff in your middy is the same diff centre as a 40, 60, 75 and 80 rear diff. They all have full floating rear axles apart from a bundera which run a semi floating set-up same as or very similar to a hilux. Pretty sure you would have a 4.11 ratio there too and the crownwheel is 9.5" diameter. Hope that helps.

Yep. What he said, and yes 4.11 ratio.

[frp88]

I am going to but my cousins 35 on and see how close I get they are 15.5 wide so I might take some photos.