diff specs in 2005 workmate hilux

[matty87]

Hi fellas

got a 2005 on workmate hilux and i want to know the diff ratio and also how many splines are on the shaft into the diff i think its a 30 spline shaft.

the trans axel code is R150 if anyone knows how to read this.

any help would be great chears

[Hilux Max]

Your diff ratio is 4.1:1