Outer Limits 4x4 Board

i just replaced the oil in my 80 series gearbox with a pretty standard 80/90 manual transmission oil, much thicker than what came out of it.
now on cold starts its really hard to get into gear and when warm, gears grind and are generally dificult.

can anyone tell me the recomended gearbox oil for a manual 80 series? as i have since heard that most toyo gearboxes take auto trans oil

thanks heaps

Gday mate,

Castrol VMX 80 is the go in Toyota gearboxes.
I changed my BJ73's gear oils and found it was definately smoother shifting when cold.

Let us know how it goes.

Castrol VMX-M, originally designed for mitsubishi gearboxes, but appears to be working quite well in toyota boxes aswell. However it is GLi4 rating, not GLi5 as specified by toyota so if you do alot of towing and heavy work, you may need to consider some of the synthetic lubricants around or change it out more often.

That said, VMX-M hasnt worked for me, but there are certainly allot more people around who are happy with than those who arent.

As above, the VMX-M (75W80) works a treat.

Check on the Specs if your worried about it. I was sure the specs were all the same as what toyota specify, just lighter.

ok cool, thanks guys
also, i dropped the oil in my transfer and it was red, and smelt like old auto trans oil

Hi, I'm a mechanic that works in a mine that runs 147 landcruisers from 75 ser through to the new v8 turbo deisei 70 ser utes aswell as 105 ser, 80 series & troopys. we run castrol/BP 85/140 in the front dif & transfer, BP easy shift 75/85 in the G/box & BP lim slip in the rear diff as we found this combonation of oils works the best as the people that drive them don't care about them and drive them like thay stole them. hope this helps.