Outer Limits 4x4 Board

Just wondering if anybody could point me in the right direction i need to no what diff ratio my patrol is its a 1999 model cab/chassis 4.2l diesel with the leaf full floater h260 i think its called
Cheers

Have a look on your compliance plate, it should read,
AXLE HG41 meaning 4.1:1
HG43- 4.3:1, etc
My old mans is the same set up and it's 4.1:1